.page-news {
  display: block;
  padding-bottom: clamp(2.5rem, 6vw, 5rem);
}

/* ---------- 面包屑 ---------- */
.page-news .news-crumbs {
  padding-top: clamp(1.1rem, 2.6vw, 1.9rem);
  padding-bottom: clamp(0.9rem, 2.2vw, 1.5rem);
}

/* ---------- 首屏 ---------- */
.page-news .news-head {
  position: relative;
  overflow: hidden;
  background: var(--panel);
  border-bottom: 2px solid var(--line);
}

.page-news .news-head::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: min(66%, 660px);
  height: 100%;
  background: var(--panel-2);
  clip-path: polygon(34% 0, 100% 0, 100% 100%, 0 100%);
  opacity: 0.55;
  pointer-events: none;
}

.page-news .news-head::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: clamp(64px, 14vw, 180px);
  height: 6px;
  background: var(--orange);
  pointer-events: none;
}

.page-news .news-head__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.25rem, 3vw, 2.25rem);
  padding-top: clamp(1.6rem, 4.5vw, 3.25rem);
  padding-bottom: clamp(1.6rem, 4.5vw, 3.25rem);
}

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

.page-news .news-head__title {
  margin: 0.4rem 0 0;
  font-family: var(--font-sans);
  font-size: clamp(2.6rem, 9vw, 5.6rem);
  font-weight: 900;
  line-height: 0.95;
  letter-spacing: -0.035em;
  color: var(--white);
}

.page-news .news-head__lede {
  max-width: 44ch;
  margin: clamp(0.9rem, 2vw, 1.4rem) 0 0;
}

/* ---------- 索引状态面板 ---------- */
.page-news .news-board {
  align-self: end;
  border: 2px solid var(--line);
  background: var(--ink);
}

.page-news .news-board__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.4rem;
  padding: 0.7rem 0.95rem;
  border-bottom: 1px solid var(--line);
}

.page-news .news-board__row:last-child {
  border-bottom: 0;
}

.page-news .news-board__k {
  flex: 1 1 100%;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.page-news .news-board__v {
  font-family: var(--font-mono);
  font-size: 1.375rem;
  line-height: 1;
  color: var(--white);
  letter-spacing: -0.02em;
}

.page-news .news-board__u {
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  color: var(--dim);
}

/* ---------- 筛选栏 ---------- */
.page-news .news-filter {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  overflow-x: auto;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--line);
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

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

.page-news .news-filter .filter-btn {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  min-height: 44px;
  white-space: nowrap;
}

.page-news .filter-btn__n {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  opacity: 0.7;
}

.page-news .news-filter .filter-btn[aria-pressed="true"] {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--ink);
}

.page-news .filter-count {
  flex: 0 0 auto;
  margin-left: auto;
  padding-left: 0.85rem;
  border-left: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--muted);
}

/* ---------- 分组跳转 ---------- */
.page-news .news-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
  padding: 0.85rem 0;
}

.page-news .news-jump a {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-news .news-jump a:hover,
.page-news .news-jump a:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

/* ---------- 章节 ---------- */
.page-news .stage {
  padding-top: clamp(2.25rem, 5.5vw, 4.25rem);
  scroll-margin-top: 90px;
}

.page-news .stage-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.4rem 0.85rem;
  padding: 0.7rem 0;
  border-top: 2px solid var(--line);
  border-bottom: 1px solid var(--line);
  margin-bottom: var(--gap);
}

.page-news .stage-head__no {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  letter-spacing: 0.08em;
  color: var(--orange);
}

.page-news .stage-head__title {
  flex: 1 1 100%;
  order: 3;
  margin: 0;
  font-size: clamp(1.375rem, 4vw, 1.875rem);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-news .stage-head__meta {
  order: 2;
  margin-left: auto;
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-news .stage__note {
  max-width: 70ch;
  margin: 0 0 var(--gap);
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--muted);
}

.page-news .stage--extra .stage-head {
  border-top-color: var(--red);
}

.page-news .stage--extra .stage-head__no {
  color: var(--red);
}

.page-news .stage--extra .stage__note {
  padding-left: 0.85rem;
  border-left: 4px solid var(--red);
}

.page-news .stage__body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--gap);
}

.page-news .stage__list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--gap);
  align-content: start;
}

/* ---------- 条目卡 ---------- */
.page-news .entry {
  display: grid;
  grid-template-columns: 2.5rem minmax(0, 1fr);
  gap: 0.85rem;
  align-content: start;
  padding: 1rem;
  background: var(--panel);
  border: 2px solid var(--line);
}

.page-news .entry__no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 30px;
  padding: 0.2rem 0;
  background: var(--panel-2);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
}

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

.page-news .entry__title {
  margin: 0 0 0.45rem;
  font-size: 1.0625rem;
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: -0.01em;
  color: var(--white);
  overflow-wrap: anywhere;
}

.page-news .entry__sum {
  margin: 0 0 0.75rem;
  font-size: 0.9375rem;
  line-height: 1.72;
  color: var(--muted);
  overflow-wrap: anywhere;
}

.page-news .entry__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem 0.6rem;
}

.page-news .entry__round {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--dim);
}

.page-news .entry__figs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.25rem;
  margin: 0 0 0.8rem;
  padding-top: 0.65rem;
  border-top: 1px solid var(--line);
}

.page-news .entry__fig {
  display: flex;
  align-items: baseline;
  gap: 0.35rem;
}

.page-news .entry__figv {
  font-family: var(--font-mono);
  font-size: 1.125rem;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--blue);
}

.page-news .entry__figv--red {
  color: var(--red);
}

.page-news .entry__figv--lime {
  color: var(--lime);
}

.page-news .entry__figk {
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  color: var(--dim);
}

.page-news .entry--extra {
  border-left: 4px solid var(--red);
}

.page-news .entry--extra .entry__no {
  background: var(--red);
  color: var(--white);
}

/* ---------- 图片 ---------- */
.page-news .news-figure {
  position: relative;
  margin: 0;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  border: 2px solid var(--line);
  background: var(--panel);
}

.page-news .news-figure--16-9 {
  aspect-ratio: 16 / 9;
}

.page-news .news-figure--3-2 {
  aspect-ratio: 3 / 2;
}

.page-news .news-figure--4-3 {
  aspect-ratio: 4 / 3;
}

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

.page-news .news-figure .media-frame__cap {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 0.5rem 0.7rem;
  background: rgba(6, 9, 10, 0.84);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-news .stage--extra .news-figure {
  border-color: var(--red);
}

/* ---------- 折叠区 ---------- */
.page-news .rhythm {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.75rem;
}

.page-news .collapse {
  border: 2px solid var(--line);
  background: var(--panel);
}

.page-news .collapse__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: 100%;
  min-height: 52px;
  padding: 0.85rem 1rem;
  background: transparent;
  border: 0;
  color: var(--white);
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.005em;
  text-align: left;
  cursor: pointer;
  transition: background 0.2s var(--ease);
}

.page-news .collapse__head:hover,
.page-news .collapse__head:focus-visible {
  background: var(--panel-2);
}

.page-news .collapse__sign {
  position: relative;
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
}

.page-news .collapse__sign::before,
.page-news .collapse__sign::after {
  content: "";
  position: absolute;
  background: var(--orange);
}

.page-news .collapse__sign::before {
  left: 0;
  top: 7px;
  width: 16px;
  height: 2px;
}

.page-news .collapse__sign::after {
  left: 7px;
  top: 0;
  width: 2px;
  height: 16px;
  transition: transform 0.2s var(--ease);
}

.page-news .collapse__head[aria-expanded="true"] .collapse__sign::after {
  transform: scaleY(0);
}

.page-news .collapse__body {
  padding: 0.85rem 1rem 1rem;
  border-top: 1px solid var(--line);
  font-size: 0.9375rem;
  line-height: 1.78;
  color: var(--muted);
}

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

/* ---------- 行内链接与状态行 ---------- */
.page-news .inline-link {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(46, 139, 255, 0.4);
}

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

.page-news .news-status {
  margin: clamp(1.75rem, 4vw, 3rem) 0 0;
  padding-top: 0.9rem;
  border-top: 2px solid var(--line);
  font-size: 0.8125rem;
  line-height: 1.8;
  letter-spacing: 0.03em;
  color: var(--dim);
}

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

  .page-news .news-board__row {
    border-right: 1px solid var(--line);
  }

  .page-news .news-board__row:nth-child(2n) {
    border-right: 0;
  }

  .page-news .news-board__row:nth-last-child(-n + 2) {
    border-bottom: 0;
  }

  .page-news .stage-head__title {
    flex: 0 1 auto;
    order: 2;
  }

  .page-news .stage-head__meta {
    order: 3;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-news .news-head__inner {
    grid-template-columns: minmax(0, 1fr) minmax(260px, 340px);
    gap: clamp(2rem, 4vw, 4rem);
    align-items: end;
  }

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

  .page-news .news-board__row {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .page-news .news-board__row:nth-child(2n) {
    border-right: 0;
  }

  .page-news .news-board__row:nth-last-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }

  .page-news .news-board__row:last-child {
    border-bottom: 0;
  }

  .page-news .stage--split-left .stage__body {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }

  .page-news .stage--split-right .stage__body {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-news .stage--split-left .news-figure,
  .page-news .stage--split-right .news-figure {
    position: sticky;
    top: 2rem;
  }
}

/* ---------- 宽屏：条目双列，但保留非对称版式 ---------- */
@media (min-width: 1180px) {
  .page-news .stage--review .stage__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------- 减弱动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-news .news-jump a,
  .page-news .collapse__head,
  .page-news .collapse__sign::after {
    transition: none;
  }
}
<<<END>>>