.page-news {
  --news-index-w: 208px;
  --news-cut: 20px;
  padding-block: clamp(18px, 3vw, 34px) clamp(56px, 8vw, 104px);
  color: var(--text);
  overflow-x: clip;
}

/* ---------- 面包屑 ---------- */
.page-news .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-mute);
  margin-bottom: clamp(16px, 2.4vw, 26px);
}
.page-news .breadcrumbs__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.page-news .breadcrumbs__item + .breadcrumbs__item::before {
  content: "/";
  font-family: var(--font-mono);
  color: var(--line-amber);
}
.page-news .breadcrumbs a {
  color: var(--text-dim);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .25s var(--ease), border-color .25s var(--ease);
}
.page-news .breadcrumbs a:hover,
.page-news .breadcrumbs a:focus-visible {
  color: var(--amber-300);
  border-bottom-color: var(--line-amber);
}

/* ---------- 首屏框景 ---------- */
.page-news .news-hero__frame {
  position: relative;
  border: 1px solid var(--line);
  background: linear-gradient(158deg, rgba(20, 31, 58, 0.94) 0%, rgba(11, 18, 35, 0.98) 64%);
  padding: clamp(24px, 4vw, 54px) clamp(20px, 4vw, 54px) clamp(20px, 3vw, 34px);
  clip-path: polygon(0 0, calc(100% - 30px) 0, 100% 30px, 100% 100%, 30px 100%, 0 calc(100% - 30px));
  overflow: hidden;
}
.page-news .news-hero__frame::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, var(--amber-500) 0%, rgba(226, 162, 60, 0) 72%);
}
.page-news .news-hero__body {
  max-width: 64ch;
}
.page-news .news-hero__title {
  margin: 14px 0 0;
  font-size: clamp(2.05rem, 5.6vw, 3.5rem);
  line-height: 1.08;
  font-weight: 900;
  letter-spacing: -0.012em;
  color: var(--cream-100);
}
.page-news .news-hero__lede {
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  font-family: var(--font-serif);
  font-size: clamp(16px, 1.6vw, 17.5px);
  line-height: 1.9;
  color: var(--text-dim);
}
.page-news .news-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  list-style: none;
  font-size: 13.5px;
  color: var(--text-mute);
}
.page-news .news-hero__meta li {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
}
.page-news .news-hero__meta .mono {
  font-size: 22px;
  font-weight: 700;
  color: var(--amber-500);
  letter-spacing: -0.01em;
}
.page-news .news-hero__media {
  margin: clamp(24px, 4vw, 40px) 0 0;
  border-top: 1px solid var(--line-soft);
  padding-top: clamp(18px, 3vw, 28px);
}
.page-news .news-hero__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

/* ---------- 主体骨架：左索引 + 右层叠 ---------- */
.page-news .news-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 52px);
  margin-top: clamp(40px, 6vw, 76px);
}
@media (min-width: 920px) {
  .page-news .news-body {
    grid-template-columns: var(--news-index-w) minmax(0, 1fr);
  }
}

/* ---------- 左栏索引 ---------- */
.page-news .news-index {
  align-self: start;
  border-top: 1px solid var(--line-amber);
  padding-top: 14px;
}
@media (min-width: 920px) {
  .page-news .news-index {
    position: sticky;
    top: calc(var(--bar-h) + 22px);
  }
}
.page-news .news-index__title {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--amber-500);
}
.page-news .news-index__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}
@media (min-width: 920px) {
  .page-news .news-index__list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }
}
.page-news .news-index__link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: var(--radius);
  border-left: 2px solid transparent;
  font-size: 14px;
  color: var(--text-dim);
  text-decoration: none;
  white-space: nowrap;
  transition: background .28s var(--ease), color .28s var(--ease), border-color .28s var(--ease);
}
.page-news .news-index__link .mono {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--amber-500);
}
.page-news .news-index__link:hover,
.page-news .news-index__link:focus-visible {
  background: var(--surface-2);
  border-left-color: var(--amber-500);
  color: var(--cream-100);
}
.page-news .news-index__note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line-soft);
  font-size: 13px;
  line-height: 1.85;
  color: var(--text-mute);
}
.page-news .news-index__note a {
  color: var(--amber-300);
  text-decoration: none;
  border-bottom: 1px solid var(--line-amber);
}
.page-news .news-index__note a:hover {
  color: var(--cream-100);
}

/* ---------- 区块通用 ---------- */
.page-news .news-sec {
  scroll-margin-top: calc(var(--bar-h) + 20px);
}
.page-news .news-sec + .news-sec {
  margin-top: clamp(52px, 7vw, 96px);
  padding-top: clamp(36px, 5vw, 64px);
  border-top: 1px solid var(--line-soft);
  position: relative;
}
.page-news .news-sec + .news-sec::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 82px;
  height: 1px;
  background: var(--amber-500);
}
.page-news .news-sec__head {
  margin-bottom: clamp(22px, 3.2vw, 36px);
}
.page-news .news-sec__head .eyebrow {
  color: var(--amber-500);
}
.page-news .news-sec__head .h2 {
  margin: 10px 0 0;
  font-size: clamp(1.35rem, 3vw, 1.95rem);
  line-height: 1.28;
  font-weight: 800;
  color: var(--cream-100);
}
.page-news .news-sec__lede {
  margin: 14px 0 0;
  max-width: 68ch;
  font-family: var(--font-serif);
  font-size: 16.5px;
  line-height: 1.9;
  color: var(--text-dim);
}

/* ---------- 季度大版本面板 ---------- */
.page-news .news-quarter {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 3vw, 30px);
  padding: clamp(20px, 3.2vw, 34px);
  background: var(--surface);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 22px 100%, 0 calc(100% - 22px));
}
@media (min-width: 720px) {
  .page-news .news-quarter {
    grid-template-columns: 196px minmax(0, 1fr);
  }
}
.page-news .news-quarter__stamp {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  padding-bottom: 16px;
  border-bottom: 1px dashed var(--line);
}
@media (min-width: 720px) {
  .page-news .news-quarter__stamp {
    border-bottom: 0;
    border-right: 1px dashed var(--line);
    padding: 4px 22px 4px 0;
  }
}
.page-news .news-quarter__stamp .version {
  font-family: var(--font-mono);
  font-size: clamp(44px, 8vw, 70px);
  line-height: 0.95;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--amber-500);
}
.page-news .news-quarter__date {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--text-mute);
}
.page-news .news-quarter__facts {
  display: grid;
  gap: 16px;
  margin: 0;
}
.page-news .news-quarter__facts > div {
  display: grid;
  gap: 5px;
}
@media (min-width: 640px) {
  .page-news .news-quarter__facts > div {
    grid-template-columns: 92px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }
}
.page-news .news-quarter__facts dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--gray-400);
}
.page-news .news-quarter__facts dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-dim);
}
.page-news .news-quarter__figure {
  margin: clamp(18px, 3vw, 28px) 0 0;
}

/* ---------- 版本条目列表 ---------- */
.page-news .entry-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}
.page-news .entry {
  position: relative;
  border-bottom: 1px solid var(--line-soft);
  padding-left: 12px;
  transition: background .3s var(--ease);
}
.page-news .entry::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  bottom: 14px;
  width: 2px;
  background: var(--amber-500);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform .35s var(--ease);
}
.page-news .entry:hover::before,
.page-news .entry:focus-within::before {
  transform: scaleY(1);
}
.page-news .entry:hover {
  background: rgba(36, 52, 92, 0.24);
}
.page-news .entry__row {
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr);
  column-gap: 16px;
  row-gap: 8px;
  align-items: start;
  padding: clamp(16px, 2.4vw, 22px) clamp(8px, 1.6vw, 16px) clamp(12px, 1.8vw, 16px) 0;
}
.page-news .entry__ver {
  grid-column: 1;
  grid-row: 1;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--amber-500);
}
.page-news .entry__title {
  grid-column: 2;
  grid-row: 1;
  margin: 0;
  font-size: clamp(16px, 2.1vw, 19px);
  font-weight: 800;
  line-height: 1.42;
  color: var(--cream-100);
}
.page-news .entry__meta {
  grid-column: 2;
  grid-row: 2;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}
.page-news .entry__time {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--text-mute);
}
.page-news .entry__meta .tag {
  font-size: 12px;
  letter-spacing: 0.03em;
  padding: 3px 9px;
  border-radius: 2px;
  border: 1px solid var(--line);
  background: rgba(36, 52, 92, 0.5);
  color: var(--text-dim);
}
.page-news .tag--amber {
  color: var(--amber-300);
  border-color: var(--line-amber);
  background: rgba(226, 162, 60, 0.12);
}
.page-news .tag--cream {
  color: var(--cream-100);
  border-color: rgba(245, 241, 230, 0.28);
  background: rgba(245, 241, 230, 0.08);
}
.page-news .tag--red {
  color: #E2938B;
  border-color: rgba(181, 68, 60, 0.6);
  background: rgba(181, 68, 60, 0.16);
}
.page-news .entry__toggle {
  grid-column: 2;
  grid-row: 3;
  justify-self: start;
}
.page-news .entry__panel {
  padding: 0 clamp(8px, 1.6vw, 16px) clamp(16px, 2.4vw, 22px) 0;
  margin-left: 90px;
}
.page-news .entry__panel p {
  margin: 0;
  max-width: 62ch;
  font-family: var(--font-serif);
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--text-dim);
}

/* ---------- 折叠触发器 ---------- */
.page-news .fold__trigger {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 0;
  border: 0;
  background: none;
  font: inherit;
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--amber-300);
  cursor: pointer;
  transition: color .25s var(--ease);
}
.page-news .fold__trigger::before {
  content: "＋";
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1;
  color: var(--amber-500);
}
.page-news .fold__trigger[aria-expanded="true"]::before,
.page-news .fold__trigger[data-open]::before {
  content: "－";
}
.page-news .fold__trigger:hover,
.page-news .fold__trigger:focus-visible {
  color: var(--cream-100);
}
.page-news .fold__panel[hidden] {
  display: none;
}

/* ---------- 图片与说明 ---------- */
.page-news .media {
  position: relative;
  overflow: hidden;
  background: var(--surface-2);
  border: 1px solid var(--line-soft);
}
.page-news .media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}
.page-news .media--cut {
  clip-path: polygon(0 0, calc(100% - var(--news-cut)) 0, 100% var(--news-cut), 100% 100%, 0 100%);
}
.page-news .media--tilt {
  transform: rotate(-0.8deg);
}
.page-news .media__caption {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--text-mute);
}
.page-news .news-month__figure {
  margin: clamp(26px, 4vw, 40px) 0 0;
  max-width: 560px;
}

/* ---------- 四个内容分类 ---------- */
.page-news .cat-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}
@media (min-width: 640px) {
  .page-news .cat-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
.page-news .cat-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(18px, 2.6vw, 26px);
  background: var(--surface);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
  transition: transform .3s var(--ease), border-color .3s var(--ease), background .3s var(--ease);
}
.page-news .cat-card:hover {
  transform: translateY(-3px);
  border-color: var(--line-amber);
  background: rgba(36, 52, 92, 0.5);
}
.page-news .cat-card__freq {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--amber-500);
}
.page-news .cat-card h3 {
  margin: 0;
  font-size: 18.5px;
  font-weight: 800;
  color: var(--cream-100);
}
.page-news .cat-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.82;
  color: var(--text-dim);
}
.page-news .cat-card__link {
  margin-top: auto;
  padding-top: 8px;
  font-size: 13.5px;
  color: var(--amber-300);
  text-decoration: none;
  transition: color .25s var(--ease);
}
.page-news .cat-card__link:hover {
  color: var(--cream-100);
}

/* ---------- 专题系列 ---------- */
.page-news .series-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.4vw, 40px);
}
@media (min-width: 860px) {
  .page-news .series-wrap {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: start;
  }
}
.page-news .series-list {
  display: grid;
  gap: 12px;
}
.page-news .series {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  padding: clamp(16px, 2.4vw, 24px);
  border-left: 2px solid var(--line-amber);
  background: linear-gradient(90deg, rgba(36, 52, 92, 0.58), rgba(36, 52, 92, 0) 82%);
  transition: border-color .3s var(--ease), background .3s var(--ease);
}
.page-news .series:hover {
  border-left-color: var(--amber-500);
  background: linear-gradient(90deg, rgba(36, 52, 92, 0.78), rgba(36, 52, 92, 0) 88%);
}
@media (min-width: 560px) {
  .page-news .series {
    grid-template-columns: 66px minmax(0, 1fr);
    gap: 18px;
    align-items: start;
  }
}
.page-news .series__no {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--grass-600);
  filter: brightness(1.9);
}
.page-news .series__body h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 800;
  color: var(--cream-100);
}
.page-news .series__beat {
  margin: 6px 0 0;
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--amber-500);
}
.page-news .series__body p {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-dim);
}
.page-news .series__figure {
  margin: 0;
}
.page-news .series__figure img {
  aspect-ratio: 3 / 2;
}

/* ---------- 收藏与提示 ---------- */
.page-news .follow-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.4vw, 40px);
  padding: clamp(22px, 3.4vw, 40px);
  border: 1px solid var(--line-amber);
  background:
    linear-gradient(135deg, rgba(226, 162, 60, 0.1) 0%, rgba(20, 31, 58, 0.86) 52%, rgba(11, 18, 35, 0.94) 100%);
  clip-path: polygon(0 0, calc(100% - 24px) 0, 100% 24px, 100% 100%, 24px 100%, 0 calc(100% - 24px));
}
@media (min-width: 780px) {
  .page-news .follow-panel {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: start;
  }
}
.page-news .follow-panel__body h3 {
  margin: 0;
  font-size: 17.5px;
  font-weight: 800;
  color: var(--cream-100);
}
.page-news .follow-panel__body h3 + p {
  margin-top: 10px;
}
.page-news .follow-panel__body p {
  margin: 0 0 22px;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.88;
  color: var(--text-dim);
}
.page-news .follow-panel__body p:last-child {
  margin-bottom: 0;
}
.page-news .follow-panel__actions {
  display: grid;
  gap: 10px;
  align-content: start;
}
.page-news .follow-panel__hint {
  margin: 4px 0 0;
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--text-mute);
}

/* ---------- 窄屏收口 ---------- */
@media (max-width: 520px) {
  .page-news .entry__row {
    grid-template-columns: 62px minmax(0, 1fr);
    column-gap: 12px;
  }
  .page-news .entry__panel {
    margin-left: 74px;
  }
  .page-news .news-quarter__stamp .version {
    font-size: 46px;
  }
  .page-news .news-hero__frame {
    clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 18px 100%, 0 calc(100% - 18px));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .cat-card,
  .page-news .entry,
  .page-news .series,
  .page-news .entry::before,
  .page-news .media--tilt {
    transition: none;
    transform: none;
    animation: none;
  }
}