.page-news {
  background: var(--night);
  color: var(--paper);
  --news-figure-line: rgba(36, 26, 18, 0.28);
}

/* ===== 报头 ===== */
.page-news .news-masthead {
  padding-top: calc(var(--header-h) + 26px);
  background:
    linear-gradient(180deg, rgba(8, 26, 47, 0) 0%, rgba(5, 15, 29, 0.92) 100%),
    repeating-linear-gradient(90deg, transparent 0 17px, rgba(169, 183, 198, 0.06) 17px 18px);
  border-bottom: 2px solid var(--line-strong);
}

.page-news .masthead-grid {
  display: grid;
  gap: 30px;
  padding: 20px 0 36px;
  margin-top: 18px;
  border-top: 1px solid var(--line);
}

.page-news .masthead-kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-news .masthead-title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(48px, 13vw, 104px);
  line-height: 0.86;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-news .title-accent {
  color: var(--volt);
  display: inline-block;
  margin-left: 0.06em;
}

.page-news .masthead-lead .lede {
  max-width: 44ch;
  margin: 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--mist);
}

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

.page-news .fact-row {
  display: grid;
  grid-template-columns: 82px minmax(0, 1fr);
  align-items: baseline;
  gap: 14px;
  padding: 12px 0;
  border-top: 1px dashed var(--line);
}

.page-news .fact-num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 34px;
  line-height: 1;
  color: var(--volt);
}

.page-news .fact-label {
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--mist);
}

/* ===== 头条 ===== */
.page-news .lead-story {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-bottom: 2px solid var(--ink);
}

.page-news .lead-media {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.page-news .lead-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(0.45) contrast(1.08) brightness(0.7);
}

.page-news .lead-story::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(112deg, rgba(5, 15, 29, 0.96) 26%, rgba(8, 26, 47, 0.86) 58%, rgba(18, 52, 90, 0.62) 100%);
}

.page-news .lead-inner {
  padding-top: clamp(48px, 11vw, 104px);
  padding-bottom: clamp(48px, 11vw, 104px);
}

.page-news .lead-copy {
  max-width: 46rem;
}

.page-news .lead-kicker {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin: 0 0 18px;
}

.page-news .lead-stamp {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-news .lead-title {
  margin: 0 0 16px;
  font-family: var(--font-editorial);
  font-weight: 700;
  font-size: clamp(28px, 6.4vw, 54px);
  line-height: 1.18;
  color: var(--paper);
}

.page-news .lead-deck {
  margin: 0 0 26px;
  max-width: 40rem;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(242, 231, 207, 0.82);
}

.page-news .lead-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ===== 索引与列表 ===== */
.page-news .news-index {
  display: grid;
  gap: 34px;
  padding-top: clamp(42px, 7vw, 76px);
  padding-bottom: clamp(42px, 7vw, 76px);
}

.page-news .rail-label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-news .rail-list {
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
}

.page-news .rail-item {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 11px 0;
  border-top: 1px solid var(--line);
  font-size: 15px;
  color: var(--paper);
}

.page-news .rail-item:last-child {
  border-bottom: 1px solid var(--line);
}

.page-news .rail-idx {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--teal);
  filter: brightness(1.9);
}

.page-news .rail-figure {
  margin: 0;
}

.page-news .rail-figure .figure-frame {
  border: 1px solid var(--line-strong);
  aspect-ratio: 4 / 5;
  overflow: hidden;
}

.page-news .rail-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(0.35) brightness(0.8);
}

.page-news .rail-figure .figure-caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.6;
  color: var(--mist);
}

.page-news .stream-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  padding-bottom: 16px;
  border-bottom: 3px double var(--line-strong);
}

.page-news .stream-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(26px, 5vw, 38px);
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-news .stream-note {
  margin: 0;
  font-size: 13px;
  color: var(--mist);
}

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

.page-news .brief > summary {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas:
    "cat time"
    "title title";
  gap: 8px 14px;
  padding: 18px 4px 18px 10px;
  cursor: pointer;
  list-style: none;
  border-left: 3px solid transparent;
  transition: border-color 0.18s ease, background-color 0.18s ease;
}

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

.page-news .brief > summary:hover,
.page-news .brief > summary:focus-visible {
  background: rgba(18, 52, 90, 0.42);
  border-left-color: var(--volt);
}

.page-news .brief[open] > summary {
  border-left-color: var(--amber);
}

.page-news .brief-cat {
  grid-area: cat;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--amber);
}

.page-news .brief-title {
  grid-area: title;
  font-family: var(--font-editorial);
  font-weight: 700;
  font-size: 18px;
  line-height: 1.5;
  color: var(--paper);
}

.page-news .brief-time {
  grid-area: time;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--mist);
  white-space: nowrap;
}

.page-news .brief-body {
  padding: 2px 4px 22px 13px;
  border-left: 3px solid var(--line);
  margin-left: 0;
}

.page-news .brief-body p {
  margin: 0 0 12px;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.82;
  color: var(--mist);
}

.page-news .brief-link {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--volt);
  text-decoration: none;
  border-bottom: 1px solid rgba(183, 255, 42, 0.5);
  padding-bottom: 2px;
}

.page-news .brief-link:hover {
  border-bottom-color: var(--volt);
}

/* ===== 轮次时间轴 ===== */
.page-news .round-axis {
  padding-top: clamp(40px, 7vw, 72px);
  padding-bottom: clamp(34px, 6vw, 56px);
  background: var(--night-deep);
  border-top: 2px solid var(--line-strong);
  border-bottom: 2px solid var(--line-strong);
  overflow: hidden;
}

.page-news .axis-head {
  display: grid;
  gap: 26px;
  padding-bottom: 30px;
}

.page-news .axis-copy h2 {
  margin: 10px 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(28px, 5.6vw, 44px);
  line-height: 1.06;
  color: var(--paper);
}

.page-news .axis-deck {
  margin: 0 0 14px;
  max-width: 46ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-news .axis-hint {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--amber);
}

.page-news .axis-figure {
  margin: 0;
}

.page-news .axis-figure .figure-frame {
  border: 1px solid var(--line-strong);
  box-shadow: 8px 8px 0 rgba(5, 15, 29, 0.9);
  overflow: hidden;
}

.page-news .axis-figure img {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
  filter: grayscale(0.3) brightness(0.88);
}

.page-news .axis-figure .figure-caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.6;
  color: var(--mist);
}

.page-news .axis-track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(232px, 268px);
  gap: 16px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 6px var(--gutter) 20px;
  scrollbar-color: var(--amber) transparent;
}

.page-news .axis-card {
  scroll-snap-align: start;
  padding: 20px 18px 22px;
  background: var(--stand);
  border: 1px solid var(--line-strong);
  border-top: 3px solid var(--amber);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-news .axis-round {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--volt);
}

.page-news .axis-card-title {
  margin: 0;
  font-family: var(--font-editorial);
  font-weight: 700;
  font-size: 18px;
  line-height: 1.4;
  color: var(--paper);
}

.page-news .axis-card-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.76;
  color: var(--mist);
}

/* ===== 版本更新 ===== */
.page-news .versions {
  background: var(--paper);
  color: var(--ink);
  padding-top: clamp(44px, 8vw, 84px);
  padding-bottom: clamp(44px, 8vw, 84px);
  border-top: 2px solid var(--ink);
  background-image:
    repeating-linear-gradient(0deg, rgba(216, 201, 174, 0.55) 0 1px, transparent 1px 34px);
}

.page-news .versions-grid {
  display: grid;
  gap: 34px;
}

.page-news .versions .eyebrow {
  color: var(--teal);
  margin: 0 0 12px;
}

.page-news .versions h2 {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(28px, 5.6vw, 44px);
  line-height: 1.06;
  color: var(--ink);
}

.page-news .versions-deck {
  margin: 0 0 26px;
  max-width: 50ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(36, 26, 18, 0.82);
}

.page-news .version-log {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
  border-top: 1px solid var(--news-figure-line);
}

.page-news .log-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 12px 0;
  border-bottom: 1px solid var(--news-figure-line);
}

.page-news .log-tag {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--card-red);
}

.page-news .log-text {
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink);
}

.page-news .versions-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-news .versions-ghost {
  color: var(--ink);
  border-color: rgba(36, 26, 18, 0.55);
}

.page-news .versions-ghost:hover {
  background: rgba(36, 26, 18, 0.08);
}

.page-news .versions-figure {
  margin: 0;
}

.page-news .versions-figure .figure-frame {
  border: 2px solid var(--ink);
  box-shadow: 10px 10px 0 var(--paper-shadow);
  overflow: hidden;
  background: var(--paper-shadow);
}

.page-news .versions-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.85) contrast(1.05);
}

.page-news .versions-figure .figure-caption {
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.6;
  color: rgba(36, 26, 18, 0.72);
}

/* ===== 内容共建 ===== */
.page-news .co-build {
  padding-top: clamp(44px, 7vw, 78px);
  padding-bottom: clamp(44px, 7vw, 78px);
  background:
    radial-gradient(120% 140% at 88% 0%, rgba(183, 255, 42, 0.12) 0%, transparent 58%),
    var(--night);
  border-top: 2px solid var(--line-strong);
}

.page-news .cobuild-inner {
  display: grid;
  gap: 26px;
}

.page-news .cobuild-copy h2 {
  margin: 10px 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(26px, 5.2vw, 40px);
  line-height: 1.1;
  color: var(--paper);
}

.page-news .cobuild-copy p {
  margin: 0;
  max-width: 54ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--mist);
}

.page-news .cobuild-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ===== 窄屏调优 ===== */
@media (max-width: 479px) {
  .page-news .fact-row {
    grid-template-columns: 68px minmax(0, 1fr);
  }

  .page-news .fact-num {
    font-size: 28px;
  }

  .page-news .brief-title {
    font-size: 16.5px;
  }
}

/* ===== 中屏 ===== */
@media (min-width: 720px) {
  .page-news .brief > summary {
    grid-template-columns: 108px minmax(0, 1fr) auto;
    grid-template-areas: "cat title time";
    align-items: center;
    gap: 18px;
    padding: 20px 8px 20px 14px;
  }

  .page-news .brief-body {
    padding-left: 130px;
    border-left: none;
  }

  .page-news .log-row {
    grid-template-columns: 148px minmax(0, 1fr);
    align-items: baseline;
    gap: 18px;
  }
}

/* ===== 桌面 ===== */
@media (min-width: 900px) {
  .page-news .masthead-grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 0.75fr);
    align-items: end;
    gap: 52px;
    padding-bottom: 44px;
  }

  .page-news .axis-head {
    grid-template-columns: minmax(0, 1fr) 360px;
    align-items: end;
    gap: 48px;
  }

  .page-news .versions-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.85fr);
    align-items: start;
    gap: 56px;
  }

  .page-news .cobuild-inner {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    align-items: center;
    gap: 56px;
  }

  .page-news .cobuild-actions {
    justify-content: flex-end;
  }
}

@media (min-width: 980px) {
  .page-news .news-index {
    grid-template-columns: 250px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-news .index-rail {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-news .axis-track {
    grid-auto-columns: minmax(0, 1fr);
    padding-inline: max(var(--gutter), calc((100vw - var(--shell)) / 2 + var(--gutter)));
    overflow-x: auto;
  }
}

@media (min-width: 1180px) {
  .page-news .masthead-title {
    font-size: 108px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .brief > summary {
    transition: none;
  }

  .page-news .axis-track {
    scroll-snap-type: none;
  }
}
<<<END>>>