.page-news {
  --news-col-gap: 24px;
  --news-offset: 28px;
  --news-line: 1px solid var(--mist);
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-news .breadcrumbs {
  padding-top: clamp(16px, 3vw, 28px);
}

/* 首屏 */
.page-news .news-hero {
  padding: clamp(24px, 4vw, 44px) 0 clamp(28px, 4.5vw, 52px);
  border-bottom: var(--news-line);
}

.page-news .news-hero .eyebrow {
  margin: 0 0 18px;
}

.page-news .news-hero h1 {
  margin: 0;
  max-width: 20em;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 5.2vw, 56px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-news .news-hero__lead {
  margin: 22px 0 0;
  max-width: 44em;
  font-size: 17px;
  line-height: 1.85;
  color: var(--body-text);
}

.page-news .news-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin: 26px 0 0;
  padding: 16px 0 0;
  list-style: none;
  border-top: var(--news-line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--steel);
}

.page-news .news-hero__meta li {
  position: relative;
}

.page-news .news-hero__meta li + li::before {
  content: "";
  position: absolute;
  left: -13px;
  top: 50%;
  width: 4px;
  height: 4px;
  background: var(--gold);
  transform: translateY(-50%);
}

/* 置顶条目 */
.page-news .news-pinned-section {
  padding-top: clamp(32px, 5vw, 56px);
}

.page-news .news-pinned {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 32px);
  padding: clamp(20px, 3.4vw, 36px);
  background: var(--sand-soft);
  border: var(--news-line);
  border-left: 4px solid var(--cyan);
}

.page-news .news-pinned__stamp {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-news .news-pinned__title {
  margin: 0;
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-news .news-pinned__text {
  margin: 18px 0 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--body-text);
}

.page-news .news-pinned__fields {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin: 24px 0 0;
  border-top: var(--news-line);
}

.page-news .news-pinned__field {
  display: grid;
  grid-template-columns: 5.5em 1fr;
  gap: 12px;
  padding: 12px 0;
  border-bottom: var(--news-line);
}

.page-news .news-pinned__field dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--steel);
  padding-top: 4px;
}

.page-news .news-pinned__field dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--body-text);
}

.page-news .news-pinned__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 24px;
  margin-top: 24px;
}

.page-news .news-pinned__media {
  border: var(--news-line);
  background: var(--paper);
  overflow: hidden;
}

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

/* 章节头微调 */
.page-news .section__head {
  margin-bottom: clamp(22px, 3vw, 36px);
}

/* 标签页 */
.page-news .news-tabs {
  margin-top: 4px;
}

.page-news .news-tabs .tabs__list {
  display: flex;
  gap: 0;
  margin: 0;
  padding: 0;
  overflow-x: auto;
  border-bottom: var(--news-line);
  scrollbar-width: none;
}

.page-news .news-tabs .tabs__list::-webkit-scrollbar {
  display: none;
}

.page-news .news-tabs .tabs__tab {
  flex: 0 0 auto;
  appearance: none;
  background: none;
  border: 0;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  padding: 12px 18px;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 500;
  line-height: 1.4;
  color: var(--steel);
  cursor: pointer;
  transition: color 200ms var(--ease), border-color 200ms var(--ease);
}

.page-news .news-tabs .tabs__tab:first-child {
  padding-left: 0;
}

.page-news .news-tabs .tabs__tab:hover {
  color: var(--ink);
}

.page-news .news-tabs .tabs__tab[aria-selected="true"] {
  color: var(--cyan);
  font-weight: 700;
  border-bottom-color: var(--cyan);
}

.page-news .news-tabs .tabs__panel {
  padding-top: clamp(22px, 3.4vw, 36px);
}

.page-news .news-tabs .tabs__panel[hidden] {
  display: none;
}

.page-news .news-tabs .tabs__panel:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 4px;
}

/* 条目错位双列 */
.page-news .news-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--news-col-gap);
}

.page-news .news-item {
  padding: 16px 0 20px;
  border-top: 3px solid var(--mist);
}

.page-news .news-item--spec {
  border-top-color: var(--gold);
}

.page-news .news-item--label {
  border-top-color: var(--pine);
}

.page-news .news-item--note {
  border-top-color: var(--ochre);
}

.page-news .news-item__stamp {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--steel);
}

.page-news .news-item--spec .news-item__stamp {
  color: var(--gold-deep);
}

.page-news .news-item__title {
  margin: 0 0 8px;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink);
}

.page-news .news-item__text {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--steel);
}

.page-news .news-item__time {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--steel);
  opacity: 0.85;
}

/* 配图 */
.page-news .news-figure {
  margin: 0 0 clamp(24px, 3.4vw, 36px);
  border: var(--news-line);
  background: var(--paper);
}

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

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

.page-news .news-figure .media__caption {
  padding: 10px 14px;
  border-top: var(--news-line);
  font-size: 13px;
  line-height: 1.6;
  color: var(--steel);
}

/* 场景笔记折叠 */
.page-news .news-notes {
  border-top: 1px solid var(--mist);
  margin-top: clamp(8px, 2vw, 16px);
}

.page-news .news-note {
  border-bottom: var(--news-line);
  padding: 18px 0;
}

.page-news .news-note__summary {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  list-style: none;
  cursor: pointer;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--ink);
}

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

.page-news .news-note__summary::before {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1.5;
  color: var(--ochre);
}

.page-news .news-note[open] .news-note__summary::before {
  content: "−";
  color: var(--cyan);
}

.page-news .news-note__summary:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 4px;
}

.page-news .news-note__body {
  padding: 12px 0 4px 32px;
}

.page-news .news-note__body p {
  margin: 0;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--steel);
}

/* 更新节奏 */
.page-news .news-cadence-section {
  background: linear-gradient(180deg, rgba(14, 59, 74, 0.05) 0%, rgba(251, 252, 251, 0) 100%);
  border-top: var(--news-line);
  border-bottom: var(--news-line);
}

.page-news .news-cadence {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.page-news .news-cadence__item {
  padding: 20px 0;
  border-top: var(--news-line);
}

.page-news .news-cadence__item:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-news .news-cadence__num {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-news .news-cadence__title {
  margin: 0 0 10px;
  font-size: 19px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink);
}

.page-news .news-cadence__text {
  margin: 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--steel);
}

/* 过渡色带 */
.page-news .news-band {
  margin: 0;
  line-height: 0;
}

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

/* 归档 */
.page-news .news-archive {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 48px);
}

.page-news .news-archive__title {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--cyan);
  text-transform: uppercase;
}

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

.page-news .news-archive__item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 14px 0;
  border-bottom: var(--news-line);
}

.page-news .news-archive__key {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--ink);
}

.page-news .news-archive__link {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--teal);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 200ms var(--ease), color 200ms var(--ease);
}

.page-news .news-archive__link:hover,
.page-news .news-archive__link:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-news .news-archive__val {
  font-size: 14px;
  line-height: 1.7;
  color: var(--steel);
}

/* 页尾指引 */
.page-news .news-next {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 20px;
  margin-top: clamp(32px, 5vw, 56px);
  padding: clamp(22px, 3.4vw, 36px);
  background: var(--cyan);
  color: var(--paper);
}

.page-news .news-next__title {
  margin: 0 0 8px;
  font-size: 20px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--paper);
}

.page-news .news-next__text p {
  margin: 0;
  max-width: 36em;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(251, 252, 251, 0.86);
}

.page-news .news-next .btn--line {
  border-color: rgba(251, 252, 251, 0.7);
  color: var(--paper);
}

.page-news .news-next .btn--line:hover,
.page-news .news-next .btn--line:focus-visible {
  background: var(--paper);
  color: var(--cyan);
  border-color: var(--paper);
}

/* 中屏 */
@media (min-width: 640px) {
  .page-news .news-pinned__fields {
    grid-template-columns: 1fr 1fr;
    column-gap: 24px;
  }

  .page-news .news-archive__item {
    grid-template-columns: 8.5em 1fr;
    gap: 16px;
    align-items: baseline;
  }

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

  .page-news .news-cadence__item:nth-child(2) {
    border-top: 0;
    padding-top: 0;
  }

  .page-news .news-next {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

/* 宽屏：置顶条目分栏 + 错位双列 */
@media (min-width: 900px) {
  .page-news .news-pinned {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }

  .page-news .news-list {
    grid-template-columns: 1fr 1fr;
    column-gap: var(--news-col-gap);
    row-gap: 4px;
  }

  .page-news .news-list > *:nth-child(even) {
    margin-top: var(--news-offset);
  }

  .page-news .news-archive {
    grid-template-columns: 1fr 1fr;
  }

  .page-news .news-cadence {
    grid-template-columns: repeat(3, 1fr);
    column-gap: 32px;
  }

  .page-news .news-cadence__item:nth-child(3) {
    border-top: 0;
    padding-top: 0;
  }
}

@media (min-width: 1100px) {
  .page-news {
    --news-col-gap: 40px;
    --news-offset: 40px;
  }

  .page-news .news-item__stamp {
    font-size: 17px;
  }

  .page-news .news-pinned {
    padding: clamp(28px, 3vw, 44px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-tabs .tabs__tab,
  .page-news .news-archive__link {
    transition: none;
  }

  .page-news .news-list > *:nth-child(even) {
    margin-top: 0;
  }
}
<<<END>>>