.page-news {
  --news-rail: 268px;
  --news-rail-gap: 46px;
  --news-dot: 11px;
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-body);
  padding-top: clamp(18px, 3vw, 32px);
  padding-bottom: clamp(40px, 6vw, 72px);
}

.page-news .wrap {
  padding-inline: var(--gutter);
}

/* ---------- 面包屑与页首声明 ---------- */
.page-news .breadcrumb {
  margin-bottom: clamp(18px, 3vw, 28px);
  font-size: 13px;
}

.page-news .news-masthead {
  display: grid;
  gap: 14px;
  padding-bottom: clamp(22px, 3.5vw, 34px);
  border-bottom: 1px solid var(--line-strong);
}

.page-news .news-eyebrow {
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--gold);
  margin: 0;
}

.page-news .news-masthead h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(34px, 6vw, 66px);
  line-height: 1.06;
  letter-spacing: -0.012em;
  color: var(--green-deep);
  max-width: 16ch;
}

.page-news .news-lead {
  margin: 0;
  max-width: 64ch;
  font-size: clamp(15px, 1.45vw, 17.5px);
  line-height: 1.9;
  color: var(--ink);
}

.page-news .news-meta {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
}

.page-news .news-meta li {
  display: flex;
  align-items: baseline;
  gap: 9px;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--muted);
}

.page-news .news-meta .mono {
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--green);
  border: 1px solid var(--line-strong);
  padding: 1px 7px;
  border-radius: 2px;
  white-space: nowrap;
}

/* ---------- 分区切换 ---------- */
.page-news .news-switch {
  margin-block: clamp(20px, 3vw, 30px);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news .news-switch .tab {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 9px 15px;
  border: 1px solid var(--line-strong);
  border-radius: 2px;
  background: var(--paper);
  color: var(--green);
  font-size: 14px;
  line-height: 1.4;
  text-decoration: none;
  transition: background 0.24s var(--ease), color 0.24s var(--ease), border-color 0.24s var(--ease);
}

.page-news .news-switch .tab__idx {
  font-size: 11px;
  color: var(--gold);
  letter-spacing: 0.06em;
}

.page-news .news-switch .tab:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

.page-news .news-switch .tab[aria-current="true"] {
  background: var(--green);
  border-color: var(--green);
  color: var(--paper);
}

.page-news .news-switch .tab[aria-current="true"] .tab__idx {
  color: var(--gold-soft);
}

/* ---------- 主栅格 ---------- */
.page-news .news-layout {
  display: grid;
  gap: clamp(28px, 4vw, 40px);
}

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

.page-news .news-block {
  padding-block: clamp(26px, 4vw, 42px);
  border-top: 1px solid var(--line);
  scroll-margin-top: 96px;
}

.page-news .news-main > .news-block:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-news .news-block__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 20px;
  margin-bottom: clamp(18px, 2.6vw, 26px);
}

.page-news .news-block__head h2,
.page-news .rhythm-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(24px, 3.4vw, 38px);
  line-height: 1.24;
  letter-spacing: -0.01em;
  color: var(--green-deep);
}

.page-news .news-block__note {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
  padding-left: 12px;
  border-left: 2px solid var(--gold);
}

/* ---------- 图片 ---------- */
.page-news .news-figure,
.page-news .topic-figure,
.page-news .version-figure {
  margin: 0 0 clamp(20px, 3vw, 26px);
}

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

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

.page-news .media-frame__caption {
  margin-top: 8px;
  font-size: 11.5px;
  color: var(--muted);
  letter-spacing: 0.02em;
}

/* ---------- 更新流 ---------- */
.page-news .stream {
  list-style: none;
  margin: 0;
  padding: 0 0 0 26px;
  display: grid;
  gap: 16px;
  position: relative;
}

.page-news .stream::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, var(--gold) 0%, rgba(200, 154, 75, 0.28) 100%);
}

.page-news .entry {
  position: relative;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 16px 16px 15px;
  box-shadow: var(--shadow);
  transition: transform 0.26s var(--ease), border-color 0.26s var(--ease);
}

.page-news .entry::before {
  content: "";
  position: absolute;
  left: -24px;
  top: 20px;
  width: var(--news-dot);
  height: var(--news-dot);
  background: var(--gold);
  transform: rotate(45deg);
  border: 2px solid var(--cream);
}

.page-news .entry:hover {
  transform: translateY(-2px);
  border-color: var(--line-strong);
}

.page-news .entry__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 7px;
  margin-bottom: 10px;
}

.page-news .entry__ver {
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--green-deep);
  background: var(--mist);
  padding: 2px 7px;
  border-radius: 2px;
}

.page-news .entry__time {
  font-size: 11.5px;
  color: var(--muted);
}

.page-news .tag {
  font-size: 11.5px;
  line-height: 1.5;
  padding: 2px 8px;
}

.page-news .entry__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(17px, 2.1vw, 21px);
  line-height: 1.42;
  color: var(--green-deep);
}

.page-news .entry__summary {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--ink);
}

.page-news .entry__more {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
}

.page-news .entry__more summary {
  cursor: pointer;
  font-size: 13px;
  color: var(--cyan);
  list-style: none;
}

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

.page-news .entry__more summary::before {
  content: "+ ";
  font-family: var(--font-mono);
}

.page-news .entry__more[open] summary::before {
  content: "− ";
}

.page-news .entry__more p {
  margin: 8px 0 0;
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 版本演进 ---------- */
.page-news .version-intro {
  display: grid;
  gap: 18px;
  margin-bottom: clamp(18px, 2.5vw, 26px);
}

.page-news .prose {
  margin: 0;
  max-width: 68ch;
  font-size: 15.5px;
  line-height: 1.88;
  color: var(--ink);
}

.page-news .version-intro .prose {
  padding-left: 14px;
  border-left: 3px solid var(--gold);
}

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

.page-news .version-item {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.page-news .version-item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-news .version-item__tag {
  align-self: start;
  text-align: center;
  font-size: 12.5px;
  letter-spacing: 0.04em;
  padding: 5px 2px;
  border-radius: 2px;
  background: var(--green);
  color: var(--paper);
}

.page-news .version-item--current .version-item__tag {
  background: var(--gold);
  color: var(--green-deep);
}

.page-news .version-item__body h3 {
  margin: 0 0 6px;
  font-size: 16.5px;
  line-height: 1.5;
  color: var(--green-deep);
  font-weight: 600;
}

.page-news .version-item__body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 专题系列 ---------- */
.page-news .topic-grid {
  display: grid;
  gap: 14px;
  margin-bottom: clamp(20px, 3vw, 28px);
}

.page-news .topic-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 3px solid var(--gold);
  border-radius: 2px;
  padding: 20px 18px;
  display: grid;
  gap: 8px;
  align-content: start;
}

.page-news .topic-card--feature {
  background: var(--green);
  border-color: var(--green-deep);
  border-left-color: var(--gold);
  color: var(--paper);
}

.page-news .topic-card__kicker {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-news .topic-card--feature .topic-card__kicker {
  color: var(--gold-soft);
}

.page-news .topic-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(19px, 2.4vw, 24px);
  line-height: 1.34;
  color: var(--green-deep);
}

.page-news .topic-card--feature h3 {
  color: var(--paper);
}

.page-news .topic-card__who {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.66;
  color: var(--amber-ink);
  background: var(--amber-bg);
  padding: 5px 9px;
  border-radius: 2px;
  justify-self: start;
}

.page-news .topic-card--feature .topic-card__who {
  background: rgba(252, 250, 245, 0.16);
  color: var(--gold-soft);
}

.page-news .topic-card__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink);
}

.page-news .topic-card--feature .topic-card__text {
  color: rgba(252, 250, 245, 0.86);
}

.page-news .topic-card__link {
  justify-self: start;
  margin-top: 4px;
  font-size: 13.5px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan);
  padding-bottom: 1px;
}

.page-news .topic-card--feature .topic-card__link {
  color: var(--gold-soft);
  border-bottom-color: var(--gold-soft);
}

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

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

/* ---------- 按月调取 ---------- */
.page-news .archive-grid {
  display: grid;
  gap: clamp(22px, 3vw, 32px);
}

.page-news .archive-body {
  display: grid;
  gap: 20px;
  align-content: start;
}

.page-news .archive-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
  counter-reset: step;
}

.page-news .archive-steps li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  padding: 14px 14px 14px 12px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 2px;
}

.page-news .archive-steps__num {
  font-size: 12px;
  color: var(--gold);
  letter-spacing: 0.06em;
  padding-top: 3px;
}

.page-news .archive-steps h3 {
  margin: 0 0 5px;
  font-size: 15.5px;
  font-weight: 600;
  color: var(--green-deep);
}

.page-news .archive-steps p {
  margin: 0;
  font-size: 13.8px;
  line-height: 1.8;
  color: var(--muted);
}

.page-news .archive-mail {
  color: var(--cyan);
  font-size: 13px;
  word-break: break-all;
}

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

.page-news .range-chips li {
  display: flex;
  align-items: baseline;
  gap: 7px;
  font-size: 12.5px;
  color: var(--muted);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 5px 10px;
}

.page-news .range-chips .mono {
  font-size: 11.5px;
  color: var(--amber-ink);
  background: var(--amber-bg);
  padding: 1px 6px;
  border-radius: 2px;
  white-space: nowrap;
}

/* ---------- 右侧记录栏 ---------- */
.page-news .news-rail {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-news .rail-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-top: 3px solid var(--green);
  border-radius: 2px;
  padding: 15px 15px 16px;
}

.page-news .rail-card__title {
  margin: 0 0 12px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--green);
}

.page-news .rail-scale {
  display: block;
  width: 100%;
  height: auto;
  margin-bottom: 12px;
}

.page-news .rail-months {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-news .rail-months li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 8px;
  align-items: baseline;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--muted);
  padding-bottom: 8px;
  border-bottom: 1px dashed var(--line);
}

.page-news .rail-months li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-news .rail-months .mono {
  font-size: 11px;
  color: var(--green);
  background: var(--mist);
  padding: 1px 6px;
  border-radius: 2px;
  white-space: nowrap;
}

.page-news .rail-card__text {
  margin: 0;
  font-size: 13px;
  line-height: 1.78;
  color: var(--muted);
}

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

.page-news .rail-links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 9px 0;
  font-size: 13.5px;
  color: var(--green);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}

.page-news .rail-links li:last-child a {
  border-bottom: 0;
  padding-bottom: 0;
}

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

.page-news .rail-links .mono {
  font-size: 12px;
  color: var(--gold);
}

/* ---------- 更新节奏面板 ---------- */
.page-news .rhythm-panel {
  margin-top: clamp(34px, 5vw, 56px);
  background: var(--green-deep);
  color: var(--paper);
  border-radius: 2px;
  padding: clamp(24px, 4vw, 44px);
}

.page-news .rhythm-panel .panel__label {
  display: inline-block;
  margin: 0 0 12px;
  font-size: 11.5px;
  letter-spacing: 0.18em;
  color: var(--gold-soft);
  border: 1px solid rgba(200, 154, 75, 0.5);
  padding: 3px 9px;
  border-radius: 2px;
}

.page-news .rhythm-title {
  color: var(--paper);
  margin-bottom: clamp(18px, 2.6vw, 26px);
}

.page-news .rhythm {
  display: grid;
  gap: 20px;
}

.page-news .rhythm__item {
  border-top: 2px solid var(--gold);
  padding-top: 12px;
}

.page-news .rhythm__item h3 {
  margin: 0 0 7px;
  font-size: 16px;
  font-weight: 600;
  color: var(--paper);
}

.page-news .rhythm__item p {
  margin: 0;
  font-size: 13.8px;
  line-height: 1.82;
  color: rgba(252, 250, 245, 0.78);
}

.page-news .rhythm__note {
  margin: clamp(20px, 3vw, 28px) 0 0;
  font-size: 13px;
  line-height: 1.78;
  color: rgba(252, 250, 245, 0.72);
  padding-left: 12px;
  border-left: 1px solid rgba(200, 154, 75, 0.6);
}

.page-news .rhythm__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(18px, 2.6vw, 26px);
}

.page-news .rhythm-panel .btn--frame {
  color: var(--paper);
  border-color: rgba(252, 250, 245, 0.42);
}

.page-news .rhythm-panel .btn--frame:hover {
  border-color: var(--gold-soft);
  color: var(--gold-soft);
}

/* ---------- 焦点可见性 ---------- */
.page-news a:focus-visible,
.page-news summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-news .stream {
    padding-left: 32px;
    gap: 18px;
  }

  .page-news .entry {
    padding: 20px 20px 18px;
  }

  .page-news .entry::before {
    left: -30px;
    top: 24px;
  }

  .page-news .entry:nth-child(even) {
    margin-left: 20px;
  }
}

@media (min-width: 760px) {
  .page-news .topic-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .topic-card--feature {
    grid-column: span 2;
    padding: 24px 22px;
  }

  .page-news .rhythm {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }
}

@media (min-width: 900px) {
  .page-news .archive-grid {
    grid-template-columns: minmax(0, 1fr) 250px;
    align-items: start;
  }

  .page-news .version-intro {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
    gap: 26px;
  }

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

@media (min-width: 1000px) {
  .page-news .news-layout {
    grid-template-columns: minmax(0, 1fr) var(--news-rail);
    column-gap: var(--news-rail-gap);
    align-items: start;
  }

  .page-news .news-rail {
    position: sticky;
    top: 96px;
  }
}

@media (min-width: 1200px) {
  .page-news .entry:nth-child(even) {
    margin-left: 34px;
  }

  .page-news .stream {
    padding-left: 38px;
  }

  .page-news .entry::before {
    left: -36px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .entry,
  .page-news .news-switch .tab {
    transition: none;
  }

  .page-news .entry:hover {
    transform: none;
  }
}
<<<PAGE_CSS_DONE>>>
</main>