.page-news {
  --news-line: rgba(58, 62, 66, 0.14);
  --news-line-soft: rgba(58, 62, 66, 0.08);
  --news-ink-soft: rgba(58, 62, 66, 0.68);
  padding-bottom: 72px;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
}

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

.page-news a:hover {
  text-decoration: underline;
}

/* ---------- 首屏 ---------- */
.page-news .news-masthead {
  padding: clamp(24px, 4vw, 44px) 0 clamp(28px, 3.4vw, 40px);
  border-bottom: 1px solid var(--news-line);
}

.page-news .news-masthead__placard {
  margin: 18px 0 0;
  color: var(--brick);
}

.page-news .news-masthead__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 5.4vw, 54px);
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--ink-deep);
  margin: 14px 0 0;
  max-width: 18ch;
}

.page-news .news-masthead__lede {
  margin: 18px 0 0;
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--news-ink-soft);
}

.page-news .news-masthead__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 26px;
  list-style: none;
  margin: 26px 0 0;
  padding: 14px 0 0;
  border-top: 1px solid var(--news-line-soft);
  font-size: 13px;
  color: var(--news-ink-soft);
}

.page-news .news-masthead__meta .mono {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--ink-deep);
}

/* ---------- 当月版本概览 ---------- */
.page-news .news-overview {
  padding: clamp(32px, 4.4vw, 58px) 0;
  border-bottom: 1px solid var(--news-line);
}

.page-news .news-overview__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-news .news-overview__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 3.2vw, 34px);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--ink-deep);
  margin: 12px 0 0;
}

.page-news .news-overview__text {
  margin: 16px 0 0;
  max-width: 44ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--news-ink-soft);
}

.page-news .news-overview__facts {
  margin: 26px 0 0;
  border-top: 1px solid var(--news-line);
}

.page-news .news-overview__fact {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: baseline;
  padding: 11px 0;
  border-bottom: 1px solid var(--news-line-soft);
}

.page-news .news-overview__fact dt {
  font-size: 14px;
  color: var(--news-ink-soft);
}

.page-news .news-overview__fact dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

.page-news figure {
  margin: 0;
}

.page-news .news-overview__figure img,
.page-news .news-topics__figure img,
.page-news .news-reading__figure img,
.page-news .news-archive img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--news-line);
  border-radius: var(--radius);
  background: var(--paper-card);
  object-fit: cover;
}

.page-news figcaption {
  margin-top: 10px;
  font-family: var(--font-serif);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  line-height: 1.7;
  color: rgba(58, 62, 66, 0.58);
}

/* ---------- 版本带 ---------- */
.page-news .news-rail-section {
  padding: clamp(30px, 4vw, 52px) 0 0;
}

.page-news .news-rail-section__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(22px, 2.8vw, 30px);
  line-height: 1.28;
  color: var(--ink-deep);
  margin: 10px 0 0;
}

.page-news .version-rail {
  position: relative;
  margin-top: 22px;
  border: 1px solid var(--news-line);
  border-radius: var(--radius);
  background: var(--paper-card);
  overflow: hidden;
  box-shadow: var(--shadow-float);
}

.page-news .version-rail::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 12px;
  background-image: repeating-linear-gradient(
    90deg,
    var(--news-line) 0 1px,
    transparent 1px 24px
  );
  border-bottom: 1px solid var(--news-line-soft);
  pointer-events: none;
}

.page-news .version-rail__track {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 12px 0 0;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-news .version-rail__item {
  flex: 0 0 auto;
  scroll-snap-align: start;
  min-width: 168px;
  padding: 16px 20px 20px;
  border-right: 1px solid var(--news-line-soft);
}

.page-news .version-rail__item:last-child {
  border-right: 0;
}

.page-news .version-rail__item.is-current {
  background: linear-gradient(
    180deg,
    rgba(232, 121, 26, 0.12),
    rgba(232, 121, 26, 0.02)
  );
}

.page-news .version-rail__ver {
  display: block;
  font-family: var(--font-mono);
  font-size: 19px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--ink-deep);
}

.page-news .version-rail__item.is-current .version-rail__ver {
  color: var(--amber);
}

.page-news .version-rail__month {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
}

.page-news .version-rail__dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 6px;
  border-radius: 50%;
  background: var(--amber);
  vertical-align: middle;
}

.page-news .version-rail__note {
  display: block;
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.03em;
  color: rgba(58, 62, 66, 0.55);
}

/* ---------- 主体筛选 + 条目 ---------- */
.page-news .news-body {
  padding: clamp(32px, 4.4vw, 58px) 0;
}

.page-news .news-body__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: start;
}

.page-news .news-filters {
  border: 1px solid var(--news-line);
  border-radius: var(--radius);
  background: var(--paper-card);
  padding: 18px 16px;
}

.page-news .filter-row {
  padding-top: 14px;
  margin-top: 14px;
  border-top: 1px solid var(--news-line-soft);
}

.page-news .filter-row:first-child {
  padding-top: 0;
  margin-top: 0;
  border-top: 0;
}

.page-news .filter-row__label {
  display: block;
  font-family: var(--font-serif);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--brick);
  margin-bottom: 10px;
}

.page-news .filter-row__options {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-news .filter-btn {
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1;
  padding: 7px 10px;
  border: 1px solid var(--news-line);
  border-radius: var(--radius);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  transition: border-color 160ms var(--ease), background-color 160ms var(--ease),
    color 160ms var(--ease), transform 160ms var(--ease);
}

.page-news .filter-btn:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  transform: translateY(-1px);
}

.page-news .filter-btn[aria-pressed="true"] {
  background: var(--amber-soft);
  border-color: var(--amber);
  color: var(--ink-deep);
  font-weight: 600;
}

.page-news .filter-status {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--news-line-soft);
  display: flex;
  flex-wrap: wrap;
  gap: 6px 10px;
  align-items: baseline;
}

.page-news .filter-count {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

.page-news .filter-status__hint {
  font-size: 12px;
  color: rgba(58, 62, 66, 0.52);
}

.page-news .update-head {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  align-items: baseline;
  justify-content: space-between;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--ink-deep);
}

.page-news .update-head__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(20px, 2.4vw, 26px);
  letter-spacing: -0.01em;
  color: var(--ink-deep);
  margin: 0;
}

.page-news .update-head__sub {
  margin: 0;
  font-size: 13px;
  color: rgba(58, 62, 66, 0.55);
}

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

.page-news .update-list--continues {
  border-top: 0;
}

.page-news .update-item {
  border-bottom: 1px solid var(--news-line-soft);
}

.page-news .update-item__details > summary {
  list-style: none;
}

.page-news .update-item__details > summary::-webkit-details-marker {
  display: none;
}

.page-news .update-item__head {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  column-gap: 12px;
  row-gap: 6px;
  align-items: baseline;
  padding: 16px 34px 16px 16px;
  cursor: pointer;
  transition: background-color 160ms var(--ease);
}

.page-news .update-item__head:hover {
  background: rgba(14, 124, 134, 0.05);
}

.page-news .update-item__head::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  bottom: 18px;
  width: 2px;
  background: var(--cyan);
}

.page-news .update-item--rev .update-item__head::before {
  background: var(--brick);
}

.page-news .update-item--fix .update-item__head::before {
  background: var(--amber);
}

.page-news .update-item__head::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 15px;
  font-size: 18px;
  line-height: 1;
  color: var(--cyan);
  transition: transform 200ms var(--ease);
}

.page-news .update-item__details[open] .update-item__head::after {
  content: "−";
}

.page-news .update-item__kind {
  grid-column: 1;
  grid-row: 1;
  font-family: var(--font-serif);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--brick);
  white-space: nowrap;
}

.page-news .update-item--new .update-item__kind {
  color: var(--cyan);
}

.page-news .update-item--fix .update-item__kind {
  color: var(--amber);
}

.page-news .update-item__title {
  grid-column: 2;
  grid-row: 1;
  margin: 0;
  font-size: 16.5px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--ink-deep);
}

.page-news .update-item__time {
  grid-column: 3;
  grid-row: 1;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.03em;
  color: var(--cyan);
  white-space: nowrap;
}

.page-news .update-item__meta {
  grid-column: 2;
  grid-row: 2;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 12.5px;
  color: rgba(58, 62, 66, 0.58);
}

.page-news .update-item__panel {
  display: grid;
  gap: 14px;
  padding: 2px 16px 20px 16px;
}

.page-news .update-item__panel p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(58, 62, 66, 0.86);
}

.page-news .update-item__facts {
  margin: 0;
  padding-left: 14px;
  border-left: 1px solid var(--news-line);
  font-size: 12.5px;
}

.page-news .update-item__facts > div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 4px 0;
}

.page-news .update-item__facts dt {
  color: rgba(58, 62, 66, 0.55);
}

.page-news .update-item__facts dd {
  margin: 0;
  font-family: var(--font-mono);
  letter-spacing: 0.03em;
  color: var(--ink-deep);
}

/* ---------- 呼吸口 ---------- */
.page-news .news-breath {
  padding: clamp(34px, 5.4vw, 60px) 0 clamp(28px, 4vw, 46px);
}

.page-news .news-breath p {
  margin: 0;
  max-width: 20ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(22px, 3.4vw, 36px);
  line-height: 1.34;
  letter-spacing: -0.01em;
  color: var(--ink-deep);
}

.page-news .news-breath__rule {
  display: block;
  width: 72px;
  height: 3px;
  margin-top: 22px;
  background: var(--amber);
}

/* ---------- 归档条 ---------- */
.page-news .news-archive {
  margin-top: 30px;
}

.page-news .news-archive img {
  aspect-ratio: 16 / 6;
}

/* ---------- 专题 ---------- */
.page-news .news-topics {
  padding: clamp(34px, 4.6vw, 60px) 0;
  border-top: 1px solid var(--news-line);
  background: linear-gradient(
    180deg,
    rgba(251, 248, 243, 0) 0%,
    rgba(251, 248, 243, 0.9) 22%,
    rgba(251, 248, 243, 0) 100%
  );
}

.page-news .news-topics__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 3.2vw, 34px);
  line-height: 1.26;
  letter-spacing: -0.01em;
  color: var(--ink-deep);
  margin: 12px 0 0;
  max-width: 22ch;
}

.page-news .news-topics__lede {
  margin: 16px 0 0;
  max-width: 52ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--news-ink-soft);
}

.page-news .news-topics__figure {
  margin-top: 26px;
}

.page-news .news-topics__figure img {
  aspect-ratio: 2 / 1;
}

.page-news .topic-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 26px;
}

.page-news .topic-card {
  position: relative;
  padding: 24px 20px 26px;
  border: 1px solid var(--news-line);
  border-radius: var(--radius);
  background: var(--paper-card);
}

.page-news .topic-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 3px;
  background: var(--cyan);
}

.page-news .topic-card:nth-child(2)::before {
  background: var(--brick);
}

.page-news .topic-card:nth-child(3)::before {
  background: var(--amber);
}

.page-news .topic-card:nth-child(4)::before {
  background: var(--ink-deep);
}

.page-news .topic-card__month {
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--brick);
}

.page-news .topic-card__title {
  margin: 0 0 10px;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 18px;
  letter-spacing: 0.06em;
  color: var(--ink-deep);
}

.page-news .topic-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(58, 62, 66, 0.85);
}

/* ---------- 读版本说明 ---------- */
.page-news .news-reading {
  padding: clamp(34px, 4.6vw, 60px) 0;
  border-top: 1px solid var(--news-line);
}

.page-news .news-reading__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-news .news-reading__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 3.2vw, 34px);
  line-height: 1.26;
  letter-spacing: -0.01em;
  color: var(--ink-deep);
  margin: 12px 0 0;
}

.page-news .news-reading__text {
  margin: 16px 0 0;
  max-width: 46ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--news-ink-soft);
}

.page-news .news-reading__list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  border-top: 1px solid var(--news-line);
}

.page-news .news-reading__item {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid var(--news-line-soft);
}

.page-news .news-reading__index {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--cyan-soft);
  line-height: 1.2;
}

.page-news .news-reading__item-title {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink-deep);
}

.page-news .news-reading__item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(58, 62, 66, 0.85);
}

.page-news .news-reading__more {
  margin: 20px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--news-ink-soft);
}

.page-news .news-reading__more a {
  border-bottom: 1px solid rgba(14, 124, 134, 0.4);
  padding-bottom: 1px;
}

/* ---------- 订阅 ---------- */
.page-news .news-subscribe {
  padding: clamp(10px, 2vw, 24px) 0 0;
}

.page-news .news-subscribe__inner {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  background: linear-gradient(142deg, var(--ink-deep) 0%, var(--ink-deep-2) 100%);
  color: var(--paper-card);
  padding: clamp(26px, 4vw, 46px);
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

.page-news .news-subscribe__inner::after {
  content: "";
  position: absolute;
  right: -70px;
  top: -70px;
  width: 250px;
  height: 250px;
  background-image: repeating-linear-gradient(
      90deg,
      rgba(251, 248, 243, 0.09) 0 1px,
      transparent 1px 26px
    ),
    repeating-linear-gradient(
      0deg,
      rgba(251, 248, 243, 0.09) 0 1px,
      transparent 1px 26px
    );
  pointer-events: none;
}

.page-news .news-subscribe__eyebrow {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--amber-soft);
}

.page-news .news-subscribe__title {
  margin: 12px 0 0;
  max-width: 20ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(22px, 2.9vw, 32px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--paper-card);
}

.page-news .news-subscribe__text {
  margin: 16px 0 0;
  max-width: 48ch;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(251, 248, 243, 0.82);
}

.page-news .news-subscribe__points {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-news .news-subscribe__points li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(251, 248, 243, 0.86);
}

.page-news .news-subscribe__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 10px;
  height: 2px;
  background: var(--cyan-soft);
}

.page-news .news-subscribe__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-news .news-action {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: var(--radius);
  font-size: 14.5px;
  font-weight: 600;
  text-decoration: none;
  transition: transform 160ms var(--ease), background-color 160ms var(--ease),
    border-color 160ms var(--ease);
}

.page-news .news-action:hover {
  text-decoration: none;
  transform: translateY(-2px);
}

.page-news .news-action--amber {
  background: var(--amber);
  color: var(--ink-deep);
}

.page-news .news-action--ghost {
  border: 1px solid rgba(251, 248, 243, 0.42);
  color: var(--paper-card);
}

.page-news .news-action--ghost:hover {
  border-color: var(--paper-card);
}

.page-news .news-subscribe__aside {
  position: relative;
  z-index: 1;
  padding: 18px 18px 20px;
  border: 1px solid rgba(251, 248, 243, 0.22);
  border-radius: var(--radius);
  background: rgba(251, 248, 243, 0.06);
}

.page-news .news-subscribe__aside-label {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.07em;
  color: var(--amber-soft);
}

.page-news .news-subscribe__aside-text {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(251, 248, 243, 0.78);
}

.page-news .news-subscribe__aside-link {
  display: inline-block;
  margin-top: 14px;
  font-size: 14px;
  font-weight: 600;
  color: var(--amber-soft);
  border-bottom: 1px solid rgba(247, 217, 188, 0.5);
  padding-bottom: 2px;
}

.page-news .news-subscribe__aside-link:hover {
  text-decoration: none;
  color: var(--paper-card);
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-news .news-overview__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 44px;
    align-items: start;
  }

  .page-news .news-reading__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 44px;
    align-items: start;
  }

  .page-news .update-item__panel {
    grid-template-columns: minmax(0, 1fr) 200px;
    gap: 22px;
    align-items: start;
  }

  .page-news .topic-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

  .page-news .news-subscribe__inner {
    grid-template-columns: minmax(0, 1fr) 260px;
    gap: 32px;
    align-items: start;
  }
}

@media (min-width: 980px) {
  .page-news .news-body__grid {
    grid-template-columns: 218px minmax(0, 1fr);
    gap: 46px;
  }

  .page-news .news-filters {
    position: sticky;
    top: 96px;
    max-height: calc(100vh - 130px);
    overflow-y: auto;
  }

  .page-news .topic-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 22px;
    align-items: start;
  }

  .page-news .topic-card:nth-child(2) {
    margin-top: 42px;
  }

  .page-news .topic-card:nth-child(3) {
    margin-top: 14px;
  }

  .page-news .topic-card:nth-child(4) {
    margin-top: 56px;
  }

  .page-news .update-item__title {
    font-size: 17.5px;
  }
}

@media (min-width: 1200px) {
  .page-news .news-masthead__title {
    max-width: 16ch;
  }

  .page-news .version-rail__item {
    min-width: 186px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .filter-btn,
  .page-news .news-action,
  .page-news .update-item__head,
  .page-news .update-item__head::after {
    transition: none;
  }

  .page-news .filter-btn:hover,
  .page-news .news-action:hover {
    transform: none;
  }
}
<<<END_OF_RESPONSE>>>