.page-news {
  --news-rail: 250px;
  --news-gap: 32px;
  overflow-wrap: break-word;
}

.page-news img {
  display: block;
  max-width: 100%;
  height: auto;
}

.page-news .news-rail__link:focus-visible,
.page-news .log-card__more a:focus-visible,
.page-news .cadence-card a:focus-visible,
.page-news .news-cta .btn:focus-visible {
  outline: 2px solid var(--c-cyan);
  outline-offset: 2px;
}

/* ---------- 首屏 ---------- */
.page-news .news-masthead {
  padding: 22px 0 34px;
}

.page-news .news-masthead .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--c-cyan);
}

.page-news .news-masthead .page-title {
  margin: 12px 0 0;
  font-size: clamp(34px, 9vw, 54px);
  font-weight: 600;
  line-height: 1.06;
  letter-spacing: .04em;
  color: var(--c-rock);
}

.page-news .news-masthead .lede {
  margin: 18px 0 0;
  max-width: 64ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--c-body);
}

.page-news .news-masthead__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 30px 0 0;
  padding: 0;
  background: var(--c-line);
  border: 1px solid var(--c-line);
  border-radius: var(--r);
  overflow: hidden;
}

.page-news .news-masthead__stats > div {
  background: var(--c-cream);
  padding: 14px 16px 16px;
}

.page-news .news-masthead__stats dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--c-muted);
}

.page-news .news-masthead__stats dd {
  margin: 6px 0 0;
  font-size: 20px;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--c-rock);
}

@media (min-width: 640px) {
  .page-news .news-masthead__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 主体骨架 ---------- */
.page-news .news-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  padding-top: 8px;
  padding-bottom: 44px;
}

@media (min-width: 960px) {
  .page-news .news-body {
    grid-template-columns: var(--news-rail) minmax(0, 1fr);
    gap: var(--news-gap);
    align-items: start;
  }
}

/* ---------- 左侧索引 ---------- */
.page-news .news-rail {
  border: 1px solid var(--c-line);
  border-radius: var(--r);
  background: var(--c-cream);
  padding: 16px;
}

@media (min-width: 960px) {
  .page-news .news-rail {
    position: sticky;
    top: calc(var(--topbar-h) + 16px);
  }
}

.page-news .news-rail__eyebrow {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--c-muted);
}

.page-news .news-rail__eyebrow:not(:first-child) {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--c-line);
}

.page-news .news-rail__list,
.page-news .news-rail__legend {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-news .news-rail__link {
  display: block;
  padding: 9px 10px;
  border-left: 2px solid transparent;
  font-size: 14px;
  line-height: 1.5;
  color: var(--c-body);
  text-decoration: none;
  transition: background var(--t-fast), border-color var(--t-fast), color var(--t-fast), padding-left var(--t-fast);
}

.page-news .news-rail__link:hover,
.page-news .news-rail__link:focus-visible {
  background: var(--c-mist);
  border-left-color: var(--c-cyan);
  color: var(--c-rock);
  padding-left: 14px;
}

.page-news .news-rail__legend li {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 0;
  font-size: 13px;
  line-height: 1.5;
  color: var(--c-muted);
}

/* ---------- 日志流 ---------- */
.page-news .news-feed .section-head {
  margin-bottom: 18px;
}

.page-news .log-feed {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

@media (min-width: 720px) {
  .page-news .log-feed {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }
  .page-news .log-card--wide {
    grid-column: 1 / -1;
  }
}

.page-news .log-card {
  border: 1px solid var(--c-line);
  border-left: 3px solid var(--c-line);
  border-radius: var(--r);
  background: var(--c-cream);
  padding: 16px 16px 16px 18px;
  transition: transform var(--t-base), box-shadow var(--t-base), border-color var(--t-base);
}

.page-news .log-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-2);
}

.page-news .log-card--notice { border-left-color: var(--c-orange); }
.page-news .log-card--version { border-left-color: var(--c-cyan); }
.page-news .log-card--feature { border-left-color: var(--c-clay); }
.page-news .log-card--tool { border-left-color: var(--c-moss); }

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

.page-news .log-card__time {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--c-muted);
}

.page-news .log-card__title {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.45;
  letter-spacing: .02em;
  color: var(--c-rock);
}

@media (min-width: 720px) {
  .page-news .log-card--wide .log-card__title {
    font-size: 22px;
  }
}

.page-news .log-card__desc {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--c-body);
}

.page-news .log-card__more {
  margin: 14px 0 0;
  font-size: 14px;
}

.page-news .log-card__more a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 1px;
  transition: color var(--t-fast);
}

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

.page-news .log-card__split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

@media (min-width: 720px) {
  .page-news .log-card__split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: center;
    gap: 22px;
  }
}

.page-news .log-card__media .media-frame {
  margin: 0;
  border-radius: var(--r);
  overflow: hidden;
}

/* ---------- 分区通用 ---------- */
.page-news .news-section {
  padding-top: 44px;
  padding-bottom: 44px;
  border-top: 1px solid var(--c-line);
  scroll-margin-top: calc(var(--topbar-h) + 16px);
}

.page-news .news-banner {
  margin: 0 0 28px;
}

/* ---------- 本月公告 ---------- */
.page-news .notice-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
}

@media (min-width: 900px) {
  .page-news .notice-grid {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    gap: 32px;
    align-items: start;
  }
}

.page-news .notice-main h3,
.page-news .notice-side h3 {
  margin: 0 0 16px;
  font-size: 20px;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--c-rock);
}

.page-news .change-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .change-list li {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
  border-top: 1px solid var(--c-line);
}

.page-news .change-list li:last-child {
  border-bottom: 1px solid var(--c-line);
}

.page-news .change-list__id {
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--c-orange);
}

.page-news .change-list__title {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--c-rock);
}

.page-news .change-list__desc {
  margin: 6px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-body);
}

.page-news .notice-side {
  border: 1px solid var(--c-line);
  border-radius: var(--r);
  background: var(--c-cream);
  padding: 20px;
}

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

.page-news .notice-side__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--c-body);
}

.page-news .notice-side__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-cyan);
}

/* ---------- 版本迭代 ---------- */
.page-news .version-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
}

@media (min-width: 960px) {
  .page-news .version-layout {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 36px;
    align-items: start;
  }
}

.page-news .version-visual .media-frame {
  margin: 0 0 14px;
}

.page-news .version-visual .meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.8;
  letter-spacing: .04em;
  color: var(--c-muted);
}

.page-news .version-track {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .version-node {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: 16px;
  padding: 18px 0;
  border-top: 1px solid var(--c-line);
}

.page-news .version-node:last-child {
  border-bottom: 1px solid var(--c-line);
}

.page-news .version-node__mark {
  display: flex;
  align-items: center;
  justify-content: center;
  align-self: start;
  height: 28px;
  border: 1px solid var(--c-line);
  border-radius: var(--r);
  background: var(--c-mist);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--c-rock);
}

.page-news .version-node__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-news .version-node__body h3 {
  margin: 0;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--c-rock);
}

.page-news .version-node__meta {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--c-muted);
}

.page-news .version-node__body p:last-child {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-body);
}

/* ---------- 季度专题 ---------- */
.page-news .feature-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}

@media (min-width: 960px) {
  .page-news .feature-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 36px;
    align-items: start;
  }
}

.page-news .feature-visual .media-frame {
  margin: 0;
}

.page-news .feature-copy > p {
  margin: 0 0 22px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--c-body);
}

.page-news .feature-list {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
}

.page-news .feature-list li {
  padding: 18px 0;
  border-top: 1px solid var(--c-line);
}

.page-news .feature-list li:last-child {
  border-bottom: 1px solid var(--c-line);
}

.page-news .feature-list__idx {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--c-clay);
}

.page-news .feature-list h3 {
  margin: 0;
  font-size: 17px;
  font-weight: 600;
  color: var(--c-rock);
}

.page-news .feature-list p {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-body);
}

/* ---------- 更新节奏 ---------- */
.page-news .cadence-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--c-line);
  border: 1px solid var(--c-line);
  border-radius: var(--r);
  overflow: hidden;
}

@media (min-width: 720px) {
  .page-news .cadence-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-news .cadence-card {
  background: var(--c-cream);
  padding: 22px 20px 24px;
  transition: background var(--t-fast);
}

.page-news .cadence-card:hover {
  background: var(--c-mist);
}

.page-news .cadence-card__num {
  display: inline-block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--c-orange);
}

.page-news .cadence-card h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--c-rock);
}

.page-news .cadence-card p {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--c-body);
}

.page-news .cadence-card a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(18, 165, 181, .45);
  transition: color var(--t-fast), border-color var(--t-fast);
}

.page-news .cadence-card a:hover,
.page-news .cadence-card a:focus-visible {
  color: var(--c-orange);
  border-bottom-color: currentColor;
}

.page-news .news-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 28px 0 0;
}

@media (prefers-reduced-motion: reduce) {
  .page-news *,
  .page-news *::before,
  .page-news *::after {
    transition: none !important;
    animation: none !important;
  }
  .page-news .log-card:hover {
    transform: none;
  }
}