.page-news {
  --news-hair: rgba(30, 58, 99, 0.6);
  --news-panel: rgba(16, 37, 68, 0.86);
  --news-gold-wash: rgba(242, 181, 68, 0.14);
  --news-cyan-wash: rgba(44, 229, 214, 0.08);
  position: relative;
  isolation: isolate;
  padding-top: clamp(84px, 10vw, 118px);
  padding-bottom: clamp(48px, 7vw, 92px);
  background-color: var(--ink-900);
  color: var(--text);
  overflow-x: clip;
}

.page-news::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, var(--line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line) 1px, transparent 1px);
  background-size: 96px 96px;
  opacity: 0.14;
}

.page-news > * {
  position: relative;
  z-index: 1;
}

/* ---------- 区块通用 ---------- */
.page-news .news-section {
  padding-block: clamp(36px, 5.5vw, 72px);
}

.page-news .news-section__head {
  max-width: 46em;
  margin-bottom: clamp(22px, 3.4vw, 38px);
}

.page-news .news-section__head--tight {
  margin-bottom: clamp(18px, 2.6vw, 28px);
}

.page-news .news-section__title {
  margin: 8px 0 0;
  font-size: clamp(24px, 3.6vw, 40px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-news .news-section__intro {
  margin: 14px 0 0;
  max-width: 40em;
  font-size: clamp(15px, 1.5vw, 16.5px);
  line-height: 1.8;
  color: var(--text-dim);
}

.page-news .news-section__intro a,
.page-news .news-versions__note a,
.page-news .news-adaptation__copy a,
.page-news .news-cadence__steps a {
  color: var(--cyan-soft);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.page-news .news-section__intro a:hover,
.page-news .news-versions__note a:hover,
.page-news .news-adaptation__copy a:hover,
.page-news .news-cadence__steps a:hover {
  color: var(--cyan);
}

.page-news .news-section__head .eyebrow {
  color: var(--cyan);
  opacity: 0.9;
}

.page-news .news-figure .media-frame__inner {
  border: 1px solid var(--news-hair);
  border-radius: 4px;
  overflow: hidden;
  background: var(--ink-700);
}

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

.page-news .media-caption {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.7;
  letter-spacing: 0.04em;
  color: var(--mist);
}

/* ---------- 首屏 ---------- */
.page-news .news-masthead {
  padding-bottom: clamp(20px, 3vw, 32px);
}

.page-news .news-masthead .breadcrumbs {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--mist);
}

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

.page-news .news-masthead .breadcrumbs a:hover {
  color: var(--cyan);
}

.page-news .news-masthead .breadcrumbs__sep {
  margin: 0 8px;
  color: var(--line);
}

.page-news .news-masthead__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 44px);
  margin-top: clamp(22px, 3.4vw, 38px);
  align-items: start;
}

.page-news .news-masthead__title {
  margin: 10px 0 0;
  font-size: clamp(46px, 12vw, 96px);
  font-weight: 900;
  line-height: 0.94;
  letter-spacing: -0.03em;
  color: var(--paper);
}

.page-news .news-masthead__intro {
  margin: 18px 0 0;
  max-width: 34em;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--text-dim);
}

.page-news .news-status {
  padding: 18px 20px 14px;
  border: 1px solid var(--news-hair);
  border-left: 3px solid var(--cyan);
  border-radius: 6px;
  background: var(--news-panel);
}

.page-news .news-status__eyebrow {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mist);
  text-transform: uppercase;
}

.page-news .news-status__list {
  margin: 12px 0 0;
  display: grid;
}

.page-news .news-status__row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 14px;
  padding: 9px 0;
  border-top: 1px dashed var(--news-hair);
}

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

.page-news .news-status__row dt {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-news .news-status__row dd {
  margin: 0;
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--gold);
}

/* ---------- 标签条 ---------- */
.page-news .news-tabs {
  margin-top: clamp(26px, 4vw, 42px);
  padding-top: 18px;
  border-top: 1px solid var(--news-hair);
}

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

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

.page-news .news-tab {
  display: inline-flex;
  align-items: center;
  height: 36px;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: var(--pill);
  font-size: 13px;
  letter-spacing: 0.08em;
  white-space: nowrap;
  color: var(--text-dim);
  background: transparent;
  text-decoration: none;
  transition: color 0.22s var(--ease), border-color 0.22s var(--ease), background-color 0.22s var(--ease);
}

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

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

.page-news .news-tab.is-active {
  border-color: var(--gold);
  color: var(--gold);
  background: var(--news-gold-wash);
}

/* ---------- 重点条目 ---------- */
.page-news .news-featured__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
}

.page-news .news-feature {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 22px 22px 20px;
  background: var(--paper);
  color: var(--black);
  border: 2px solid var(--black);
  border-radius: 4px;
  box-shadow: 8px 10px 0 rgba(10, 23, 48, 0.6);
}

.page-news .news-feature__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.page-news .news-feature__no {
  font-size: 13px;
  letter-spacing: 0.12em;
  color: #6B5A2E;
}

.page-news .news-feature__tag {
  display: inline-flex;
  align-items: center;
  height: 22px;
  padding: 0 10px;
  border: 1px solid var(--black);
  border-radius: var(--pill);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--black);
  background: var(--gold);
}

.page-news .news-feature__title {
  margin: 0;
  font-size: clamp(18px, 2.2vw, 21px);
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--black);
}

.page-news .news-feature__sum {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: #23304A;
}

.page-news .news-feature__more {
  border-top: 1px dashed rgba(11, 14, 20, 0.28);
  padding-top: 10px;
}

.page-news .news-feature__more summary {
  cursor: pointer;
  list-style: none;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--ink-800);
}

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

.page-news .news-feature__more summary::after {
  content: " ＋";
  font-size: 13px;
}

.page-news .news-feature__more[open] summary::after {
  content: " －";
}

.page-news .news-feature__more summary:focus-visible {
  outline: 2px solid var(--ink-800);
  outline-offset: 2px;
}

.page-news .news-feature__more p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: #23304A;
}

.page-news .news-feature__when {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: #6B5A2E;
}

/* ---------- 条目列表 ---------- */
.page-news .news-stream__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--news-hair);
}

.page-news .news-row {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 4px 12px;
  padding: 18px 2px;
  border-bottom: 1px solid var(--news-hair);
  transition: background-color 0.24s var(--ease);
}

.page-news .news-row:hover {
  background: var(--news-cyan-wash);
}

.page-news .news-row__no {
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--cyan);
  padding-top: 3px;
}

.page-news .news-row__body {
  grid-column: 2;
  min-width: 0;
}

.page-news .news-row__title {
  margin: 0 0 6px;
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--paper);
}

.page-news .news-row__sum {
  margin: 0;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-news .news-row__meta {
  grid-column: 2;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 6px;
}

.page-news .news-row__when {
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--mist);
  white-space: nowrap;
}

/* ---------- 缓冲图 ---------- */
.page-news .news-buffer {
  padding-block: clamp(28px, 4vw, 52px);
}

/* ---------- 版本迭代 ---------- */
.page-news .news-versions__figure {
  margin: 0 0 clamp(28px, 4vw, 44px);
}

.page-news .news-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}

.page-news .news-timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 14px;
  width: 1px;
  background: linear-gradient(to bottom, var(--cyan), var(--gold), transparent);
  opacity: 0.5;
}

.page-news .news-timeline__item {
  position: relative;
  padding: 0 0 26px 34px;
}

.page-news .news-timeline__item:last-child {
  padding-bottom: 0;
}

.page-news .news-timeline__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 5px;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  border: 1px solid var(--cyan);
  background: var(--ink-900);
}

.page-news .news-timeline__item--current::before {
  border-color: var(--gold);
  background: var(--gold);
  box-shadow: 0 0 0 4px var(--news-gold-wash);
}

.page-news .news-timeline__ver {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--gold);
}

.page-news .news-timeline__name {
  margin: 4px 0 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--paper);
}

.page-news .news-timeline__desc {
  margin: 6px 0 0;
  max-width: 56ch;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--text-dim);
}

.page-news .news-versions__note {
  margin-top: clamp(26px, 4vw, 40px);
  max-width: 60ch;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--text-dim);
}

.page-news .news-versions__note p {
  margin: 0;
}

/* ---------- 索引批次 ---------- */
.page-news .news-batches__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 44px);
  align-items: start;
}

.page-news .news-batches__copy h3 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--paper);
}

.page-news .news-batches__copy h3:not(:first-child) {
  margin-top: 22px;
}

.page-news .news-batches__copy p {
  margin: 0;
  max-width: 36em;
  font-size: 15px;
  line-height: 1.78;
  color: var(--text-dim);
}

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

.page-news .batch-chart {
  display: flex;
  gap: clamp(14px, 3vw, 32px);
  align-items: flex-end;
  margin-top: clamp(28px, 4vw, 46px);
  padding: 26px 0 6px;
  border-top: 1px solid var(--news-hair);
  border-bottom: 1px solid var(--news-hair);
}

.page-news .batch-chart__col {
  flex: 1 1 0;
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.page-news .batch-chart__count {
  font-size: 14px;
  letter-spacing: 0.06em;
  color: var(--gold);
}

.page-news .batch-chart__bar {
  display: block;
  width: 100%;
  max-width: 58px;
  height: calc(var(--units, 10) * 12px);
  border-radius: 2px;
  background-image: repeating-linear-gradient(
    to top,
    var(--cyan) 0 8px,
    rgba(44, 229, 214, 0) 8px 12px
  );
  opacity: 0.82;
}

.page-news .batch-chart__name {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  text-align: center;
}

.page-news .batch-chart__when {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--mist);
  text-align: center;
}

/* ---------- 屏端适配 ---------- */
.page-news .news-adaptation__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 48px);
  align-items: start;
}

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

.page-news .news-adaptation__copy p {
  margin: 14px 0 0;
  max-width: 36em;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-news .news-adaptation__list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-news .news-adaptation__list li {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 13px 0;
  border-top: 1px solid var(--news-hair);
}

.page-news .news-adaptation__list li:last-child {
  border-bottom: 1px solid var(--news-hair);
}

.page-news .news-adaptation__num {
  font-size: 14px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-news .news-adaptation__txt {
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-news .news-adaptation__foot {
  font-size: 14px;
  color: var(--mist);
}

/* ---------- 追读节奏 ---------- */
.page-news .cadence-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--news-hair);
}

.page-news .cadence-list__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 18px 2px;
  border-bottom: 1px solid var(--news-hair);
}

.page-news .cadence-list__name {
  font-size: 16.5px;
  font-weight: 700;
  color: var(--paper);
}

.page-news .cadence-list__freq {
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--gold);
}

.page-news .cadence-list__desc {
  margin: 0;
  max-width: 56ch;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--text-dim);
}

.page-news .news-cadence__follow {
  margin-top: clamp(26px, 4vw, 44px);
  padding: 22px 22px 20px;
  border: 1px solid var(--news-hair);
  border-left: 3px solid var(--gold);
  border-radius: 6px;
  background: var(--news-panel);
}

.page-news .news-cadence__follow h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--paper);
}

.page-news .news-cadence__follow > p {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-news .news-cadence__steps {
  margin: 16px 0 0;
  padding-left: 1.2em;
  display: grid;
  gap: 10px;
}

.page-news .news-cadence__steps li {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-news .news-cadence__steps li::marker {
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-news .news-adaptation__list li {
    grid-template-columns: 8.5em minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }

  .page-news .cadence-list__row {
    grid-template-columns: 9em 7em minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }

  .page-news .news-row__meta {
    margin-top: 0;
  }
}

@media (min-width: 760px) {
  .page-news .news-row {
    grid-template-columns: 56px minmax(0, 1fr) 128px;
    gap: 0 20px;
    align-items: baseline;
  }

  .page-news .news-row__body {
    grid-column: 2;
  }

  .page-news .news-row__meta {
    grid-column: 3;
    justify-content: flex-end;
    margin-top: 0;
  }
}

@media (min-width: 880px) {
  .page-news .news-masthead__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: clamp(36px, 5vw, 76px);
  }

  .page-news .news-featured__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 26px;
    align-items: start;
  }

  .page-news .news-feature:nth-child(1) {
    transform: rotate(-0.5deg);
  }

  .page-news .news-feature:nth-child(2) {
    margin-top: 26px;
    transform: rotate(0.45deg);
  }

  .page-news .news-feature:nth-child(3) {
    margin-top: 52px;
    transform: rotate(-0.35deg);
  }

  .page-news .news-batches__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: clamp(32px, 4.5vw, 64px);
  }

  .page-news .news-adaptation__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    gap: clamp(32px, 4.5vw, 68px);
  }

  .page-news .news-adaptation__figure {
    margin-top: 12px;
  }
}

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

  .page-news .news-feature {
    transform: none;
  }
}

.page-news {
  --units: 1rem;
}