.page-news {
  --news-hair: rgba(244, 241, 234, 0.16);
  --news-hair-ink: rgba(20, 33, 47, 0.14);
  background: var(--paper);
  color: var(--on-light);
}

.page-news .crumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  list-style: none;
  margin: 0 0 clamp(1.25rem, 3vw, 2rem);
  padding: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.08em;
}

.page-news .news-hero {
  background: var(--ink);
  color: var(--on-dark);
  padding: clamp(1.5rem, 4vw, 2.75rem) 0 clamp(2rem, 5vw, 3.25rem);
  border-bottom: 1px solid var(--steel);
}

.page-news .news-hero__grid {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
  align-items: start;
}

.page-news .news-hero h1 {
  margin: 0.75rem 0 1rem;
  font-size: clamp(2rem, 5.6vw, 3.6rem);
  line-height: 1.14;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--on-dark);
}

.page-news .news-hero__intro {
  margin: 0;
  max-width: 48ch;
  font-size: var(--fs-body);
  line-height: 1.85;
  color: var(--on-dark-dim);
}

.page-news .news-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem 1rem;
  margin: clamp(1.5rem, 3.5vw, 2.25rem) 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--news-hair);
  padding-top: 1.15rem;
}

.page-news .news-stat__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.75rem;
  line-height: 1;
  color: var(--copper-light);
  letter-spacing: 0.02em;
}

.page-news .news-stat__key {
  display: block;
  margin-top: 0.35rem;
  font-size: var(--fs-xs);
  letter-spacing: 0.06em;
  color: var(--on-dark-dim);
}

.page-news .news-hero__fig {
  margin: 0;
  width: 100%;
}

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

.page-news .news-ruler {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  margin: clamp(2rem, 5vw, 3rem) 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--news-hair);
}

.page-news .news-ruler__cell {
  padding: 1rem 0.9rem 0.25rem 0;
  border-right: 1px dashed var(--news-hair);
}

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

.page-news .news-ruler__ver {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.15rem;
  letter-spacing: 0.04em;
  color: var(--copper);
}

.page-news .news-ruler__lab {
  display: block;
  margin-top: 0.35rem;
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--on-dark);
}

.page-news .news-ruler__note {
  display: block;
  margin-top: 0.3rem;
  font-size: var(--fs-xs);
  line-height: 1.7;
  color: var(--on-dark-dim);
}

/* ---------- 主体 ---------- */
.page-news .news-body {
  padding: clamp(1.5rem, 4vw, 2.75rem) 0 clamp(2.5rem, 6vw, 4rem);
}

.page-news .news-tabs__bar {
  display: flex;
  gap: 0.15rem;
  overflow-x: auto;
  border-bottom: 1px solid var(--paper-2);
  scrollbar-width: thin;
}

.page-news .news-tab {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: baseline;
  gap: 0.5rem;
  padding: 0.9rem 0.85rem;
  background: none;
  border: 0;
  border-bottom: 3px solid transparent;
  font-family: var(--font-sans);
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--stone);
  cursor: pointer;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-news .news-tab:hover {
  color: var(--on-light);
}

.page-news .news-tab[aria-selected="true"] {
  color: var(--on-light);
  border-bottom-color: var(--copper);
}

.page-news .news-tab__no {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.08em;
  color: var(--copper);
}

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

.page-news .news-panel {
  padding: clamp(1.75rem, 4vw, 2.75rem) 0 0;
  outline: none;
}

.page-news .news-panel[hidden],
.page-news .news-panel[aria-hidden="true"] {
  display: none;
}

.page-news .news-panel:focus-visible {
  outline: 2px solid var(--copper-light);
  outline-offset: 6px;
}

.page-news .news-panel__title {
  margin: 0;
  font-size: clamp(1.5rem, 3.4vw, 2.25rem);
  font-weight: 900;
  letter-spacing: -0.015em;
  line-height: 1.2;
}

.page-news .news-panel__sub {
  margin: 0.7rem 0 0;
  max-width: 62ch;
  font-size: var(--fs-sm);
  line-height: 1.85;
  color: var(--stone);
}

/* ---------- 更新记录 ---------- */
.page-news .log-layout {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.75rem);
  margin-top: clamp(1.5rem, 3.5vw, 2.25rem);
}

.page-news .log-rail__list {
  display: flex;
  gap: 0.4rem;
  margin: 0.6rem 0 0;
  padding: 0;
  list-style: none;
  overflow-x: auto;
}

.page-news .log-rail__link {
  display: inline-flex;
  align-items: baseline;
  gap: 0.45rem;
  padding: 0.4rem 0.7rem;
  border: 1px solid var(--paper-2);
  font-size: var(--fs-xs);
  color: var(--stone);
  text-decoration: none;
  white-space: nowrap;
}

.page-news .log-rail__link span {
  font-family: var(--font-mono);
  color: var(--copper);
  letter-spacing: 0.06em;
}

.page-news .log-rail__link:hover {
  border-color: var(--copper);
  color: var(--on-light);
}

.page-news .season {
  border-top: 1px solid var(--paper-2);
}

.page-news .season__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.6rem;
  padding: 0.95rem 0;
  cursor: pointer;
  list-style: none;
}

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

.page-news .season__ver {
  font-family: var(--font-mono);
  font-size: clamp(1.35rem, 3.2vw, 2rem);
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--copper);
}

.page-news .season__range {
  font-size: var(--fs-body);
  font-weight: 700;
}

.page-news .season__count {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.06em;
  color: var(--cool);
}

.page-news .season__mark {
  position: relative;
  margin-left: auto;
  width: 14px;
  height: 14px;
  align-self: center;
}

.page-news .season__mark::before,
.page-news .season__mark::after {
  content: "";
  position: absolute;
  top: 6px;
  left: 0;
  width: 14px;
  height: 2px;
  background: var(--copper);
}

.page-news .season__mark::after {
  transform: rotate(90deg);
  transition: transform 0.22s var(--ease);
}

.page-news .season[open] .season__mark::after {
  transform: rotate(0deg);
}

.page-news .season:focus-within .season__head {
  outline: 2px solid var(--copper-light);
  outline-offset: 2px;
}

.page-news .change-list {
  margin: 0;
  padding: 0 0 0.75rem;
  list-style: none;
}

.page-news .change {
  position: relative;
  display: grid;
  gap: 0.5rem;
  padding: 1.1rem 2rem 1.1rem 0;
  border-top: 1px solid var(--news-hair-ink);
  transition: transform 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-news .change:hover,
.page-news .change:focus-within {
  transform: translateX(4px);
  background: rgba(226, 220, 207, 0.35);
}

.page-news .change__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
}

.page-news .change__line {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.06em;
  color: var(--stone);
}

.page-news .change__body h3 {
  margin: 0 0 0.4rem;
  font-size: 1.0625rem;
  font-weight: 700;
  line-height: 1.5;
}

.page-news .change__body p {
  margin: 0 0 0.35rem;
  font-size: var(--fs-sm);
  line-height: 1.8;
  color: var(--stone);
}

.page-news .change__action {
  color: var(--on-light) !important;
  border-left: 3px solid var(--copper);
  padding-left: 0.7rem;
  margin-top: 0.55rem !important;
}

.page-news .change__anchor {
  position: absolute;
  top: 1.05rem;
  right: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  color: var(--paper-2);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

.page-news .change:hover .change__anchor,
.page-news .change__anchor:focus-visible {
  color: var(--copper);
}

.page-news .change:hover .change__body h3::after {
  content: " →";
  color: var(--copper);
  font-weight: 500;
}

.page-news .log-foot {
  margin: 1.25rem 0 0;
  font-size: var(--fs-sm);
  line-height: 1.8;
  color: var(--stone);
}

.page-news .text-link {
  color: var(--copper);
  text-decoration: none;
  border-bottom: 1px solid var(--copper);
  padding-bottom: 1px;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-news .text-link:hover {
  color: var(--on-light);
  border-bottom-color: var(--on-light);
}

/* ---------- 技术札记 ---------- */
.page-news .note-feature {
  display: grid;
  gap: clamp(1.25rem, 3vw, 2rem);
  margin-top: clamp(1.5rem, 3.5vw, 2.25rem);
  padding-bottom: clamp(1.5rem, 3vw, 2rem);
  border-bottom: 1px solid var(--paper-2);
}

.page-news .note-feature__fig {
  margin: 0;
  width: 100%;
}

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

.page-news .note-feature__body h3 {
  margin: 0.7rem 0 0.8rem;
  font-size: clamp(1.25rem, 2.6vw, 1.6rem);
  font-weight: 900;
  line-height: 1.35;
}

.page-news .note-feature__body p {
  margin: 0 0 0.75rem;
  font-size: var(--fs-sm);
  line-height: 1.85;
  color: var(--stone);
}

.page-news .note-feature__link {
  margin-top: 1rem !important;
  font-weight: 700;
}

.page-news .note-list {
  display: grid;
  gap: 0;
  margin: clamp(1rem, 2.5vw, 1.75rem) 0 0;
  padding: 0;
  list-style: none;
}

.page-news .note {
  padding: 1.35rem 0;
  border-bottom: 1px solid var(--news-hair-ink);
}

.page-news .note h3 {
  margin: 0.65rem 0 0.55rem;
  font-size: 1.0625rem;
  font-weight: 700;
  line-height: 1.5;
}

.page-news .note p {
  margin: 0;
  font-size: var(--fs-sm);
  line-height: 1.85;
  color: var(--stone);
}

/* ---------- 案例回访 ---------- */
.page-news .revisit {
  display: grid;
  gap: clamp(1.25rem, 3vw, 2.25rem);
  margin-top: clamp(1.5rem, 3.5vw, 2.25rem);
  padding-bottom: clamp(1.5rem, 3vw, 2rem);
  border-bottom: 1px solid var(--paper-2);
}

.page-news .revisit--flat {
  border-bottom: 0;
}

.page-news .revisit__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem;
}

.page-news .revisit__text h3 {
  margin: 0.75rem 0 0.75rem;
  font-size: clamp(1.25rem, 2.6vw, 1.6rem);
  font-weight: 900;
  line-height: 1.35;
}

.page-news .revisit__text p {
  margin: 0 0 0.75rem;
  font-size: var(--fs-sm);
  line-height: 1.85;
  color: var(--stone);
}

.page-news .revisit__link {
  margin-top: 1rem !important;
  font-weight: 700;
}

.page-news .revisit__fig {
  margin: 0;
  width: 100%;
}

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

/* ---------- 培训 ---------- */
.page-news .train-layout {
  display: grid;
  gap: clamp(1.5rem, 3.5vw, 2.25rem);
  margin-top: clamp(1.5rem, 3.5vw, 2.25rem);
  align-items: start;
}

.page-news .train-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--paper-2);
}

.page-news .train {
  display: grid;
  gap: 0.35rem;
  padding: 1.05rem 0;
  border-bottom: 1px solid var(--paper-2);
}

.page-news .train__batch {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.08em;
  color: var(--clay);
}

.page-news .train__topic {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--on-light);
}

.page-news .train__who {
  font-size: var(--fs-sm);
  line-height: 1.7;
  color: var(--stone);
}

.page-news .train__slot {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.06em;
  color: var(--cool);
}

.page-news .train__fig {
  margin: 0;
  width: 100%;
}

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

.page-news .train-signup {
  margin-top: clamp(1.75rem, 4vw, 2.5rem);
  padding: clamp(1.25rem, 3vw, 2rem);
  background: var(--ink-2);
  color: var(--on-dark);
  border-left: 4px solid var(--copper);
}

.page-news .train-signup h3 {
  margin: 0 0 0.75rem;
  font-size: 1.2rem;
  font-weight: 900;
  color: var(--on-dark);
}

.page-news .train-signup p {
  margin: 0 0 0.7rem;
  font-size: var(--fs-sm);
  line-height: 1.85;
  color: var(--on-dark-dim);
}

.page-news .train-signup .text-link {
  color: var(--copper-light);
  border-bottom-color: var(--copper-light);
}

.page-news .train-signup .text-link:hover {
  color: var(--on-dark);
  border-bottom-color: var(--on-dark);
}

.page-news .train-signup__link {
  margin: 1.15rem 0 0 !important;
}

/* ---------- 页尾延伸入口 ---------- */
.page-news .news-more {
  padding: 0 0 clamp(2rem, 5vw, 3.25rem);
  background: var(--paper);
}

.page-news .news-more__grid {
  display: grid;
  gap: 0.85rem;
  border-top: 1px solid var(--paper-2);
  padding-top: clamp(1.25rem, 3vw, 2rem);
}

.page-news .more-card {
  position: relative;
  display: block;
  padding: 1.1rem 2.4rem 1.1rem 1.1rem;
  border: 1px solid var(--paper-2);
  text-decoration: none;
  color: var(--on-light);
  transition: transform 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-news .more-card:hover,
.page-news .more-card:focus-visible {
  transform: translateX(4px);
  border-color: var(--copper);
}

.page-news .more-card__name {
  display: block;
  margin: 0.45rem 0 0.35rem;
  font-size: 1.0625rem;
  font-weight: 700;
}

.page-news .more-card__desc {
  display: block;
  font-size: var(--fs-xs);
  line-height: 1.7;
  color: var(--stone);
}

.page-news .more-card__arrow {
  position: absolute;
  top: 50%;
  right: 0.95rem;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  color: var(--copper);
}

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

  .page-news .news-ruler {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .news-ruler__cell:nth-child(2) {
    border-right: 1px dashed var(--news-hair);
  }

  .page-news .change {
    grid-template-columns: 148px minmax(0, 1fr);
    gap: 1.25rem;
  }

  .page-news .change__meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.45rem;
  }

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

  .page-news .train {
    grid-template-columns: 96px minmax(0, 1fr) 168px;
    align-items: baseline;
    gap: 0.5rem 1rem;
  }

  .page-news .train__slot {
    grid-column: 3;
    grid-row: 1;
    text-align: right;
  }

  .page-news .train__topic {
    grid-column: 2;
    grid-row: 1;
  }

  .page-news .train__who {
    grid-column: 2 / span 2;
    grid-row: 2;
  }
}

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

  .page-news .log-layout {
    grid-template-columns: 180px minmax(0, 1fr);
    gap: 2.5rem;
  }

  .page-news .log-rail {
    position: sticky;
    top: 76px;
    align-self: start;
    border-left: 2px solid var(--copper);
    padding-left: 1rem;
  }

  .page-news .log-rail__list {
    flex-direction: column;
    overflow: visible;
    gap: 0.3rem;
  }

  .page-news .log-rail__link {
    border: 0;
    border-left: 0;
    padding: 0.3rem 0;
    font-size: var(--fs-sm);
  }

  .page-news .note-feature {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: start;
  }

  .page-news .note-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 1.75rem;
    border-top: 1px solid var(--news-hair-ink);
    padding-top: 0.5rem;
  }

  .page-news .note {
    border-bottom: 0;
  }

  .page-news .revisit {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }

  .page-news .revisit--flat {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-news .train-layout {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }

  .page-news .news-more__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1120px) {
  .page-news .news-hero h1 {
    max-width: 18ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .change,
  .page-news .more-card,
  .page-news .season__mark::after {
    transition: none;
  }

  .page-news .change:hover,
  .page-news .change:focus-within,
  .page-news .more-card:hover,
  .page-news .more-card:focus-visible {
    transform: none;
  }
}
<<<END>>>