.page-news {
  --news-rule: rgba(216, 208, 193, 0.30);
  --news-rule-soft: rgba(216, 208, 193, 0.16);
  --news-inkline: rgba(14, 28, 40, 0.16);
  --news-inkline-soft: rgba(14, 28, 40, 0.09);
  --news-inkmuted: rgba(14, 28, 40, 0.66);
  --news-block: clamp(48px, 7vw, 104px);
  background: var(--ink-900);
  color: var(--paper-100);
}

.page-news a:focus-visible,
.page-news button:focus-visible,
.page-news summary:focus-visible {
  outline: 2px solid var(--cyan-400);
  outline-offset: 3px;
}

/* ---------- 首屏 ---------- */
.page-news .news-intro {
  padding-top: clamp(20px, 3.4vw, 40px);
  padding-bottom: clamp(36px, 5vw, 68px);
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(47, 217, 198, 0.10), transparent 62%),
    radial-gradient(90% 70% at 0% 100%, rgba(255, 107, 44, 0.08), transparent 60%),
    linear-gradient(180deg, var(--ink-900) 0%, var(--ink-700) 100%);
}

.page-news .news-intro .breadcrumb {
  margin-bottom: clamp(20px, 3vw, 36px);
}

.page-news .news-intro__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 52px);
  align-items: end;
}

.page-news .news-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--cyan-200);
}

.page-news .news-intro .page-title {
  margin: 18px 0 0;
  font-size: clamp(29px, 4.6vw, 52px);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.page-news .news-lead-text {
  margin: 20px 0 0;
  max-width: 34em;
  font-size: clamp(15.5px, 1.5vw, 17.5px);
  line-height: 1.88;
  color: var(--muted);
}

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

.page-news .news-intro__figure {
  margin: 0;
}

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

.page-news .figure__media {
  overflow: hidden;
  border: 1px solid var(--news-rule);
  background: var(--ink-700);
  border-radius: 2px;
}

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

.page-news .figure__caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.65;
  color: var(--gray-500);
}

/* ---------- 快照条 ---------- */
.page-news .news-snapshot {
  background: var(--ink-700);
  border-top: 1px solid var(--news-rule-soft);
  border-bottom: 1px solid var(--news-rule-soft);
}

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

.page-news .news-snapshot__item {
  padding: 24px 0;
  border-bottom: 1px dashed var(--news-rule-soft);
}

.page-news .news-snapshot__item:last-child {
  border-bottom: 0;
}

.page-news .news-snapshot__key {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--cyan-200);
}

.page-news .news-snapshot__value {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(32px, 4.2vw, 46px);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--paper-100);
}

.page-news .news-snapshot__value--sm {
  font-size: clamp(19px, 2.3vw, 25px);
  letter-spacing: -0.01em;
}

.page-news .news-snapshot__unit {
  margin-left: 6px;
  font-size: 0.4em;
  font-weight: 600;
  color: var(--signal-300);
}

.page-news .news-snapshot__note {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 章节头 ---------- */
.page-news .news-head {
  max-width: 44em;
  margin-bottom: clamp(28px, 4vw, 48px);
}

.page-news .news-head__no {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--signal-300);
}

.page-news .news-head .section-title {
  margin: 0;
  font-size: clamp(23px, 3vw, 34px);
  line-height: 1.3;
}

.page-news .news-head__text {
  margin: 14px 0 0;
  font-size: 15.5px;
  line-height: 1.88;
  color: var(--muted);
}

/* ---------- 纸色区通用 ---------- */
.page-news .news-timeline,
.page-news .news-entries {
  background: var(--paper-100);
  background-image: radial-gradient(rgba(14, 28, 40, 0.045) 1px, transparent 1px);
  background-size: 22px 22px;
  color: var(--text-900);
  padding: var(--news-block) 0;
}

.page-news .news-timeline .news-head__no,
.page-news .news-entries .news-head__no {
  color: var(--news-inkmuted);
}

.page-news .news-timeline .section-title,
.page-news .news-entries .section-title {
  color: var(--text-900);
}

.page-news .news-timeline .news-head__text,
.page-news .news-entries .news-head__text {
  color: var(--news-inkmuted);
}

.page-news .news-timeline .section-title::after,
.page-news .news-entries .section-title::after {
  background: var(--signal-500);
  border-color: var(--signal-500);
}

.page-news .news-timeline .figure__media {
  border-color: var(--news-inkline);
  background: var(--paper-300);
}

.page-news .news-timeline .figure__caption {
  color: var(--gray-500);
}

/* ---------- 时间轴 ---------- */
.page-news .timeline-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
}

.page-news .timeline-rail__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  color: var(--news-inkmuted);
}

.page-news .timeline-rail__list {
  display: flex;
  gap: 8px;
  margin: 0 0 26px;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-news .timeline-rail__link {
  display: block;
  white-space: nowrap;
  padding: 9px 14px;
  border: 1px solid var(--news-inkline);
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-900);
  text-decoration: none;
  background: rgba(242, 236, 225, 0.6);
  transition: background-color 160ms var(--ease), border-color 160ms var(--ease), color 160ms var(--ease);
}

.page-news .timeline-rail__link:hover {
  background: var(--signal-500);
  border-color: var(--signal-500);
  color: var(--text-900);
}

.page-news .timeline-rail__link.is-current {
  border-color: var(--signal-500);
  color: var(--signal-500);
  font-weight: 700;
}

.page-news .timeline-rail__figure {
  max-width: 260px;
}

.page-news .timeline-body {
  min-width: 0;
}

.page-news .month-block {
  position: relative;
  padding-left: clamp(18px, 2.6vw, 30px);
  margin-bottom: 20px;
  border-left: 1px solid var(--news-inkline);
}

.page-news .month-block::before {
  content: "";
  position: absolute;
  left: -4.5px;
  top: 22px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--paper-100);
  border: 1px solid rgba(14, 28, 40, 0.4);
  transition: background-color 180ms var(--ease), box-shadow 180ms var(--ease);
}

.page-news .month-block[open]::before {
  background: var(--signal-500);
  border-color: var(--signal-500);
  box-shadow: 0 0 0 4px rgba(255, 107, 44, 0.18);
}

.page-news .month-block__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  cursor: pointer;
  list-style: none;
}

.page-news .month-block__head::-webkit-details-marker {
  display: none;
}

.page-news .month-block__head::after {
  content: "展开";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--gray-500);
}

.page-news .month-block[open] > .month-block__head::after {
  content: "收起";
}

.page-news .month-block__label {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(19px, 2.4vw, 24px);
  letter-spacing: -0.01em;
  color: var(--text-900);
}

.page-news .month-block__meta {
  padding: 3px 9px;
  border: 1px solid var(--news-inkline);
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--news-inkmuted);
}

.page-news .entry-lines {
  margin: 0 0 8px;
  padding: 0;
  list-style: none;
}

.page-news .entry-line {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 8px 12px;
  align-items: baseline;
  padding: 9px 10px 9px 0;
  border-bottom: 1px dashed var(--news-inkline-soft);
  transition: transform 160ms var(--ease), background-color 160ms var(--ease);
}

.page-news .entry-line:last-child {
  border-bottom: 0;
}

.page-news .entry-line:hover {
  transform: translateX(4px);
  background-color: rgba(255, 107, 44, 0.07);
}

.page-news .entry-line__no {
  justify-self: start;
  padding: 1px 6px;
  border-radius: 2px;
  background: var(--signal-500);
  color: var(--text-900);
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  line-height: 1.6;
}

.page-news .entry-line__text {
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(14, 28, 40, 0.8);
}

.page-news .entry-line__tag {
  grid-column: 2;
  justify-self: start;
  padding: 1px 8px;
  border: 1px solid rgba(14, 28, 40, 0.22);
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.04em;
  color: var(--news-inkmuted);
  white-space: nowrap;
}

/* ---------- 七个专栏 ---------- */
.page-news .news-columns {
  padding: var(--news-block) 0;
  background: linear-gradient(180deg, var(--ink-900) 0%, var(--ink-700) 100%);
}

.page-news .column-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(240px, 100%), 1fr));
  gap: 14px;
}

.page-news .column-tag {
  position: relative;
  padding: 22px 20px 20px;
  background: rgba(8, 19, 31, 0.55);
  border: 1px solid var(--news-rule-soft);
  clip-path: polygon(14px 0, 100% 0, 100% 100%, 0 100%, 0 14px);
  transition: border-color 180ms var(--ease), transform 180ms var(--ease), background-color 180ms var(--ease);
}

.page-news .column-tag::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  bottom: 0;
  width: 3px;
  background: var(--cyan-400);
  opacity: 0.85;
}

.page-news .column-tag:hover {
  border-color: rgba(47, 217, 198, 0.5);
  background: rgba(16, 38, 58, 0.8);
  transform: translateY(-2px);
}

.page-news .column-tag__no {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--signal-300);
}

.page-news .column-tag__name {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 20px;
  letter-spacing: -0.01em;
  color: var(--paper-100);
}

.page-news .column-tag__text {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
}

.page-news .column-tag__who {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--news-rule-soft);
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.65;
  color: var(--cyan-200);
}

.page-news .column-figure {
  margin-top: clamp(28px, 4vw, 46px);
}

/* ---------- 本期条目 ---------- */
.page-news .topic-tabs {
  margin-top: 4px;
}

.page-news .tablist {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--news-inkline);
}

.page-news .tab {
  appearance: none;
  padding: 8px 14px;
  border: 1px solid var(--news-inkline);
  border-radius: 2px;
  background: rgba(242, 236, 225, 0.6);
  color: var(--news-inkmuted);
  font-family: var(--font-body);
  font-size: 13.5px;
  line-height: 1.4;
  cursor: pointer;
  transition: background-color 150ms var(--ease), border-color 150ms var(--ease), color 150ms var(--ease);
}

.page-news .tab:hover {
  border-color: var(--signal-500);
  color: var(--signal-500);
}

.page-news .tab[aria-selected="true"] {
  background: var(--signal-500);
  border-color: var(--signal-500);
  color: var(--text-900);
  font-weight: 700;
}

.page-news .tabpanel {
  display: block;
  padding-top: 22px;
}

.js-ready .page-news .tabpanel:not([data-active]) {
  display: none;
}

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

.page-news .topic-item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 10px 14px;
  align-items: start;
  padding: 16px 8px;
  border-bottom: 1px solid var(--news-inkline-soft);
  transition: transform 160ms var(--ease), background-color 160ms var(--ease);
}

.page-news .topic-item:hover {
  transform: translateX(4px);
  background-color: rgba(255, 107, 44, 0.07);
}

.page-news .topic-item__no {
  justify-self: start;
  padding: 1px 6px;
  border-radius: 2px;
  background: var(--signal-500);
  color: var(--text-900);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  line-height: 1.7;
}

.page-news .topic-item__main {
  min-width: 0;
}

.page-news .topic-item__title {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--text-900);
}

.page-news .topic-item__meta {
  margin: 7px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--news-inkmuted);
}

.page-news .topic-item__tag {
  display: inline-block;
  margin-right: 8px;
  padding: 1px 8px;
  border: 1px solid rgba(14, 28, 40, 0.22);
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.04em;
  color: var(--text-900);
  white-space: nowrap;
}

.page-news .topic-item .copy-btn {
  grid-column: 2;
  justify-self: start;
  padding: 5px 10px;
  border: 1px solid var(--news-inkline);
  border-radius: 2px;
  background: transparent;
  color: var(--news-inkmuted);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.5;
  cursor: pointer;
  transition: border-color 150ms var(--ease), color 150ms var(--ease), background-color 150ms var(--ease);
}

.page-news .topic-item .copy-btn:hover {
  border-color: var(--signal-500);
  color: var(--signal-500);
}

.page-news .topic-item .copy-btn.is-copied {
  background: var(--signal-500);
  border-color: var(--signal-500);
  color: var(--text-900);
}

/* ---------- 版本卡 ---------- */
.page-news .news-vcard {
  padding: var(--news-block) 0;
  background:
    radial-gradient(110% 80% at 8% 0%, rgba(47, 217, 198, 0.09), transparent 62%),
    var(--ink-900);
}

.page-news .vcard-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 3.6vw, 48px);
}

.page-news .vcard-fields {
  border-top: 1px solid var(--news-rule-soft);
}

.page-news .vcard-field {
  padding: 15px 0;
  border-bottom: 1px solid var(--news-rule-soft);
}

.page-news .vcard-field__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  cursor: pointer;
  list-style: none;
}

.page-news .vcard-field__head::-webkit-details-marker {
  display: none;
}

.page-news .vcard-field__head::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1;
  color: var(--cyan-400);
}

.page-news .vcard-field[open] > .vcard-field__head::after {
  content: "−";
}

.page-news .vcard-field__no {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 600;
  color: var(--signal-300);
}

.page-news .vcard-field__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16.5px;
  color: var(--paper-100);
}

.page-news .vcard-field__body {
  margin: 10px 0 0 30px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

.page-news .vcard-sample {
  display: grid;
  gap: 22px;
  min-width: 0;
}

.page-news .vcard-sample .version-card {
  position: relative;
  padding: clamp(20px, 2.6vw, 30px);
  background: var(--paper-100);
  color: var(--text-900);
  border: 1px solid var(--paper-300);
  border-radius: 3px;
  box-shadow: 7px 7px 0 0 rgba(216, 208, 193, 0.12);
}

.page-news .vcard-sample .version-card__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--news-inkline);
}

.page-news .vcard-sample .version-card__no {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--signal-500);
}

.page-news .vcard-sample .version-card__meta {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--gray-500);
}

.page-news .vcard-sample .version-card__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(17px, 2vw, 21px);
  line-height: 1.45;
  letter-spacing: -0.01em;
  color: var(--text-900);
}

.page-news .vcard-sample .version-card__body p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--news-inkmuted);
}

.page-news .vcard-status {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px dashed var(--news-inkline);
}

.page-news .vcard-status__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.6;
  color: var(--news-inkmuted);
}

.page-news .vcard-status__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--signal-500);
  flex: none;
}

.page-news .vcard-status__dot--ok {
  background: #12A593;
}

/* ---------- 收束 ---------- */
.page-news .news-next {
  padding: var(--news-block) 0;
  background: var(--ink-700);
  border-top: 1px solid var(--news-rule-soft);
}

.page-news .news-next__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.6vw, 48px);
}

.page-news .news-next__lead .section-title {
  margin: 0;
  font-size: clamp(22px, 2.8vw, 30px);
  line-height: 1.35;
}

.page-news .news-next__text {
  margin: 14px 0 0;
  max-width: 30em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

.page-news .news-next__list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .news-next__link {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 6px 16px;
  padding: 18px 20px;
  border: 1px solid var(--news-rule-soft);
  border-radius: 2px;
  text-decoration: none;
  color: var(--paper-100);
  transition: border-color 180ms var(--ease), background-color 180ms var(--ease), transform 180ms var(--ease);
}

.page-news .news-next__link:hover {
  border-color: var(--cyan-400);
  background: rgba(47, 217, 198, 0.07);
  transform: translateX(4px);
}

.page-news .news-next__no {
  grid-row: span 2;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--signal-300);
}

.page-news .news-next__title {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
}

.page-news .news-next__desc {
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-news .news-snapshot__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .news-snapshot__item {
    padding: 26px 22px;
    border-bottom: 0;
    border-left: 1px dashed var(--news-rule-soft);
  }

  .page-news .news-snapshot__item:first-child {
    padding-left: 0;
    border-left: 0;
  }

  .page-news .entry-line {
    grid-template-columns: 46px minmax(0, 1fr) auto;
  }

  .page-news .entry-line__tag {
    grid-column: auto;
    justify-self: end;
  }

  .page-news .topic-item {
    grid-template-columns: 54px minmax(0, 1fr) auto;
    align-items: center;
    padding: 16px 10px;
  }

  .page-news .topic-item .copy-btn {
    grid-column: auto;
    justify-self: end;
  }
}

@media (min-width: 900px) {
  .page-news .news-intro__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  }

  .page-news .vcard-layout {
    grid-template-columns: minmax(0, 0.46fr) minmax(0, 0.54fr);
    align-items: start;
  }

  .page-news .news-next__grid {
    grid-template-columns: minmax(0, 0.32fr) minmax(0, 0.68fr);
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .page-news .timeline-layout {
    grid-template-columns: minmax(0, 0.26fr) minmax(0, 0.74fr);
    gap: clamp(32px, 4vw, 60px);
    align-items: start;
  }

  .page-news .timeline-rail {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-news .timeline-rail__list {
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-news .timeline-rail__link {
    white-space: normal;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news * {
    transition: none !important;
    animation: none !important;
  }

  .page-news .entry-line:hover,
  .page-news .topic-item:hover,
  .page-news .news-next__link:hover,
  .page-news .column-tag:hover {
    transform: none;
  }
}
<<<END>>>