.page-news {
  --news-gap: clamp(20px, 3vw, 40px);
  padding-top: clamp(28px, 5vw, 64px);
  padding-bottom: clamp(64px, 8vw, 120px);
}

/* ---------- 面包屑 ---------- */
.page-news .breadcrumbs {
  margin-bottom: clamp(20px, 3vw, 36px);
}

.page-news .breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-news .breadcrumbs__item:not(:last-child)::after {
  content: "/";
  margin-left: 8px;
  color: rgba(168, 198, 216, 0.45);
}

.page-news .breadcrumbs__link {
  color: var(--water);
  text-decoration: none;
}

.page-news .breadcrumbs__link:hover {
  color: var(--aqua);
}

.page-news .breadcrumbs__current {
  color: var(--mist);
}

/* ---------- 首屏 ---------- */
.page-news .news-intro {
  max-width: 880px;
  margin-bottom: clamp(36px, 5vw, 68px);
}

.page-news .news-intro .display-title {
  margin: 0.24em 0 0.36em;
  font-size: clamp(2.6rem, 7vw, 4.8rem);
  font-weight: 300;
  line-height: 1.02;
  letter-spacing: 0.02em;
  color: var(--ivory);
}

.page-news .news-intro .lede {
  max-width: 64ch;
  color: var(--mist);
  font-size: clamp(1rem, 1.4vw, 1.125rem);
  line-height: 1.85;
}

/* ---------- 更新节奏 ---------- */
.page-news .news-cadence {
  margin-bottom: clamp(40px, 6vw, 80px);
}

.page-news .cadence-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px 32px;
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-news .cadence-head .section-title {
  margin: 0;
  font-size: clamp(1.4rem, 2.8vw, 2rem);
  font-weight: 400;
  color: var(--ivory);
}

.page-news .cadence-head__note {
  margin: 0;
  color: var(--mist);
  font-size: 0.95rem;
  max-width: 46ch;
}

.page-news .cadence-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: rgba(0, 180, 216, 0.24);
  border: 1px solid rgba(0, 180, 216, 0.24);
  border-radius: var(--radius-a);
  overflow: hidden;
}

.page-news .cadence-cell {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px 22px 28px;
  background: linear-gradient(180deg, #0F2547 0%, #0B1D3A 100%);
}

.page-news .cadence-cell__code {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--aqua);
}

.page-news .cadence-cell__title {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--ivory);
}

.page-news .cadence-cell__value {
  margin: 0;
  font-size: clamp(1.5rem, 3vw, 2rem);
  line-height: 1.1;
  color: var(--water);
  letter-spacing: 0.02em;
}

.page-news .cadence-cell__text {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 主布局：8:4 非对称 ---------- */
.page-news .news-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(32px, 5vw, 56px);
  align-items: start;
}

.page-news .news-stream {
  min-width: 0;
}

/* ---------- 分组 ---------- */
.page-news .topic-group {
  margin-bottom: clamp(48px, 6vw, 84px);
  scroll-margin-top: 92px;
}

.page-news .topic-group:last-child {
  margin-bottom: 0;
}

.page-news .topic-group__head {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-bottom: 16px;
  margin-bottom: 20px;
  border-bottom: 1px solid rgba(0, 180, 216, 0.5);
  position: relative;
}

.page-news .topic-group__head::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 64px;
  height: 3px;
  border-radius: 999px;
  background: var(--aqua);
}

.page-news .topic-group__title {
  margin: 0;
  font-size: clamp(1.45rem, 3.2vw, 2.15rem);
  font-weight: 300;
  letter-spacing: 0.02em;
  color: var(--ivory);
}

.page-news .topic-group__note {
  margin: 0;
  max-width: 64ch;
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 图片框 ---------- */
.page-news .news-figure {
  margin: 0 0 clamp(20px, 3vw, 32px);
  border-radius: var(--radius-b);
  overflow: hidden;
  background: var(--navy-deep);
  border: 1px solid rgba(0, 180, 216, 0.22);
}

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

.page-news .news-figure--narrow {
  max-width: 460px;
  margin-top: clamp(20px, 3vw, 32px);
  margin-left: auto;
  margin-right: auto;
}

.page-news .news-figure .media-frame__caption {
  padding: 12px 18px 14px;
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--mist);
  background: rgba(6, 18, 35, 0.7);
}

/* ---------- 条目流 ---------- */
.page-news .entry-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .topic-entry {
  position: relative;
  padding: 24px 0 26px 20px;
  border-bottom: 1px solid rgba(168, 198, 216, 0.14);
}

.page-news .topic-entry::before {
  content: "";
  position: absolute;
  left: 0;
  top: 30px;
  width: 3px;
  height: 20px;
  border-radius: 999px;
  background: var(--water);
  opacity: 0.5;
  transition: height 0.32s var(--ease-out), background-color 0.32s var(--ease-out), opacity 0.32s var(--ease-out);
}

.page-news .topic-entry:hover::before,
.page-news .topic-entry:focus-within::before {
  height: 42px;
  background: var(--aqua);
  opacity: 1;
}

.page-news .topic-entry--sm {
  padding-top: 20px;
  padding-bottom: 22px;
}

.page-news .entry__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  margin-bottom: 10px;
}

.page-news .entry__time {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-news .entry__title {
  margin: 0 0 8px;
  font-size: clamp(1.02rem, 1.8vw, 1.28rem);
  font-weight: 600;
  line-height: 1.5;
  color: var(--ivory);
}

.page-news .topic-entry--sm .entry__title {
  font-weight: 400;
  font-size: clamp(1rem, 1.6vw, 1.14rem);
}

.page-news .entry__summary {
  margin: 0;
  max-height: 3.6em;
  overflow: hidden;
  font-size: 0.92rem;
  line-height: 1.78;
  color: var(--mist);
  transition: max-height 0.42s var(--ease-out);
}

.page-news .entry__link {
  margin: 12px 0 0;
  font-size: 0.88rem;
}

.page-news .inline-link {
  color: var(--water);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 180, 216, 0.4);
  padding-bottom: 1px;
  transition: color 0.24s var(--ease-out), border-color 0.24s var(--ease-out);
}

.page-news .inline-link:hover,
.page-news .inline-link:focus-visible {
  color: var(--aqua);
  border-color: var(--aqua);
}

/* ---------- 标签 ---------- */
.page-news .tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 11px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.09em;
  white-space: nowrap;
  border: 1px solid rgba(168, 198, 216, 0.3);
  color: var(--mist);
}

.page-news .tag--clay {
  background: rgba(196, 120, 90, 0.2);
  border-color: rgba(196, 120, 90, 0.6);
  color: #E9A583;
}

.page-news .tag--water {
  background: rgba(0, 180, 216, 0.14);
  border-color: rgba(0, 180, 216, 0.5);
  color: #6FD9EC;
}

/* ---------- 版本日志 ---------- */
.page-news .version-log {
  border-top: 1px solid rgba(0, 180, 216, 0.24);
}

.page-news .version-item {
  display: grid;
  grid-template-columns: minmax(58px, auto) minmax(0, 1fr);
  gap: 6px 18px;
  align-items: start;
  padding: 20px 0 22px;
  border-bottom: 1px dashed rgba(168, 198, 216, 0.2);
}

.page-news .version-item__code {
  font-size: 0.86rem;
  letter-spacing: 0.1em;
  color: var(--aqua);
  padding-top: 3px;
}

.page-news .version-item__title {
  margin: 0 0 6px;
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--ivory);
}

.page-news .version-item__text {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.76;
  color: var(--mist);
}

.page-news .version-item--slim {
  padding: 16px 0 18px;
  border-bottom-style: solid;
  border-bottom-color: rgba(168, 198, 216, 0.12);
}

.page-news .version-item--slim .version-item__title {
  font-size: 0.96rem;
  font-weight: 400;
}

.page-news .version-more {
  border-bottom: 1px dashed rgba(168, 198, 216, 0.2);
}

.page-news .version-more__toggle {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
  padding: 18px 0;
  cursor: pointer;
  list-style: none;
  color: var(--water);
  font-size: 0.9rem;
}

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

.page-news .version-more__toggle:hover {
  color: var(--aqua);
}

.page-news .version-more__toggle::before {
  content: "+";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 999px;
  border: 1px solid rgba(0, 180, 216, 0.5);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1;
}

.page-news .version-more[open] .version-more__toggle::before {
  content: "–";
}

.page-news .version-more__hint {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-news .version-more__body {
  padding-bottom: 6px;
}

/* ---------- 右侧索引 ---------- */
.page-news .news-index {
  display: none;
}

.page-news .index-card {
  padding: 22px 20px;
  border-radius: var(--radius-a);
  background: linear-gradient(180deg, #0F2547 0%, #0B1D3A 100%);
  border: 1px solid rgba(0, 180, 216, 0.22);
  margin-bottom: 20px;
}

.page-news .index-card--plain {
  background: rgba(76, 99, 85, 0.22);
  border-color: rgba(76, 99, 85, 0.6);
}

.page-news .index-card__label {
  margin: 0 0 14px;
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--aqua);
}

.page-news .index-card .toc {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-news .index-card .toc__link {
  position: relative;
  display: block;
  padding: 9px 0 9px 16px;
  font-size: 0.92rem;
  color: var(--mist);
  text-decoration: none;
  transition: color 0.24s var(--ease-out);
}

.page-news .index-card .toc__link::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 3px;
  height: 14px;
  margin-top: -7px;
  border-radius: 999px;
  background: rgba(168, 198, 216, 0.32);
  transition: background-color 0.24s var(--ease-out), height 0.24s var(--ease-out);
}

.page-news .index-card .toc__link:hover,
.page-news .index-card .toc__link[aria-current] {
  color: var(--ivory);
}

.page-news .index-card .toc__link[aria-current]::before {
  background: var(--aqua);
  height: 20px;
  margin-top: -10px;
}

.page-news .meter {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-news .meter__row {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  align-items: center;
  gap: 10px;
}

.page-news .meter__code {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-news .meter__bar {
  display: block;
  height: 4px;
  border-radius: 999px;
  background: rgba(168, 198, 216, 0.16);
  overflow: hidden;
}

.page-news .meter__bar i {
  display: block;
  width: var(--fill, 50%);
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--water), var(--aqua));
}

.page-news .index-card__foot {
  margin: 16px 0 0;
  font-size: 0.78rem;
  line-height: 1.65;
  color: var(--mist);
}

.page-news .index-links {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 0.9rem;
}

/* ---------- 订阅 ---------- */
.page-news .news-subscribe {
  margin-top: clamp(48px, 6vw, 88px);
}

.page-news .subscribe-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3vw, 0px);
  border-radius: var(--radius-c);
  overflow: hidden;
  border: 1px solid rgba(0, 180, 216, 0.24);
  background: linear-gradient(135deg, #0F2547 0%, #061223 62%, #0B1D3A 100%);
}

.page-news .subscribe-panel__main {
  padding: clamp(26px, 4vw, 48px);
}

.page-news .subscribe-panel__main .section-title {
  margin: 0.3em 0 0.5em;
  font-size: clamp(1.5rem, 3.4vw, 2.3rem);
  font-weight: 300;
  line-height: 1.24;
  color: var(--ivory);
}

.page-news .subscribe-panel__text {
  margin: 0;
  max-width: 56ch;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--mist);
}

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

.page-news .subscribe-panel__side {
  padding: clamp(24px, 4vw, 44px);
  background: rgba(76, 99, 85, 0.34);
  border-top: 1px solid rgba(0, 180, 216, 0.2);
}

.page-news .subscribe-side__label {
  margin: 0 0 12px;
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--aqua);
}

.page-news .subscribe-side__text {
  margin: 0 0 20px;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--ivory);
}

.page-news .subscribe-facts {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.86rem;
  color: var(--mist);
}

.page-news .subscribe-facts .mono {
  display: inline-block;
  min-width: 34px;
  color: var(--aqua);
  font-size: 1rem;
  margin-right: 6px;
}

/* ---------- 动效落位 ---------- */
.page-news [data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}

.page-news [data-reveal][data-visible="true"] {
  opacity: 1;
  transform: none;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-news .cadence-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .page-news .news-layout {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    gap: clamp(40px, 4vw, 72px);
  }

  .page-news .news-index {
    display: block;
    position: sticky;
    top: 88px;
    align-self: start;
  }

  .page-news .subscribe-panel {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-news .subscribe-panel__side {
    border-top: 0;
    border-left: 1px solid rgba(0, 180, 216, 0.2);
  }

  .page-news .entry__summary {
    max-height: 3.6em;
  }

  .page-news .topic-entry:hover .entry__summary,
  .page-news .topic-entry:focus-within .entry__summary {
    max-height: 22em;
  }
}

@media (min-width: 1180px) {
  .page-news .cadence-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .page-news .topic-entry {
    padding-left: 14px;
  }

  .page-news .news-figure--narrow {
    max-width: 100%;
  }

  .page-news .subscribe-actions .btn {
    width: 100%;
    text-align: center;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-news [data-reveal],
  .page-news .topic-entry::before,
  .page-news .entry__summary,
  .page-news .inline-link,
  .page-news .index-card .toc__link {
    transition: none !important;
  }

  .page-news [data-reveal] {
    opacity: 1;
    transform: none;
  }
}

.page-news {
  --fill: currentColor;
}