.page-news {
  --news-label: #91A9C7;
  position: relative;
  overflow: clip;
  color: var(--text);
  background: var(--ink-900);
  padding-bottom: clamp(48px, 7vw, 96px);
}

.page-news::before {
  content: "";
  position: absolute;
  inset: -8% -15% auto -15%;
  height: min(72vh, 740px);
  background:
    radial-gradient(55% 48% at 18% 0%, rgba(123, 97, 255, 0.34), transparent 72%),
    radial-gradient(50% 42% at 82% 6%, rgba(40, 224, 255, 0.2), transparent 72%);
  pointer-events: none;
  z-index: 0;
}

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

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

.page-news .rig-figure__frame img {
  width: 100%;
  object-fit: cover;
}

/* 面包屑 */
.page-news .news-crumb {
  padding-top: clamp(18px, 2.6vw, 30px);
}

/* 刊头 */
.page-news .news-mast {
  display: grid;
  gap: 28px;
  padding-top: clamp(22px, 3.4vw, 40px);
  padding-bottom: clamp(26px, 4vw, 48px);
}

.page-news .news-mast__title {
  margin: 14px 0 20px;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(34px, 7.2vw, 86px);
  line-height: 1;
  letter-spacing: -0.03em;
}

.page-news .news-mast__title span {
  display: block;
  color: var(--cyan);
}

.page-news .news-mast__lead {
  max-width: 46ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.78;
  color: var(--muted);
  margin: 0;
}

.page-news .news-mast__index {
  align-self: start;
  background: linear-gradient(180deg, rgba(16, 38, 66, 0.96), rgba(11, 24, 48, 0.96));
  border: var(--bd) solid var(--line);
  box-shadow: var(--shadow-hard);
  padding: 18px 20px 16px;
}

.page-news .news-mast__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-news .news-mast__indexlist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-news .news-mast__indexlist a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 0;
  border-top: 1px solid var(--line-soft);
  color: var(--text);
  text-decoration: none;
  font-size: 14px;
  transition: color 160ms var(--ease);
}

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

.page-news .news-mast__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--lime);
  flex: none;
}

.page-news .news-mast__stamp {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--news-label);
}

/* 头图 */
.page-news .news-hero {
  margin: 0 auto clamp(30px, 4.6vw, 60px);
}

.page-news .news-hero .rig-figure__frame {
  border: var(--bd) solid var(--line);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
  background: var(--ink-deep);
}

.page-news .rig-figure__caption {
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--news-label);
}

/* 三栏主体 */
.page-news .news-layout {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
  align-items: start;
  padding-bottom: clamp(38px, 5vw, 64px);
}

/* 筛选 */
.page-news .news-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-content: flex-start;
  padding: 16px;
  background: rgba(11, 24, 48, 0.82);
  border: var(--bd) solid var(--line);
}

.page-news .news-filters .news-mast__label {
  width: 100%;
  margin-bottom: 4px;
}

.page-news .news-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
  margin: 0;
}

.page-news .news-chip {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 7px 12px;
  font-size: 13px;
  line-height: 1.2;
  color: var(--news-label);
  background: rgba(7, 17, 31, 0.72);
  border: 1px solid var(--line);
  cursor: pointer;
  transition: background 160ms var(--ease), color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-news .news-chip:hover {
  color: var(--text);
  border-color: var(--cyan);
}

.page-news .news-chip__n {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan);
}

.page-news .news-radio:checked + .news-chip {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink-900);
  font-weight: 700;
}

.page-news .news-radio:checked + .news-chip .news-chip__n {
  color: var(--ink-900);
}

.page-news .news-radio:focus-visible + .news-chip {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
}

.page-news .news-filters__note {
  width: 100%;
  margin: 6px 0 0;
  font-size: 12px;
  line-height: 1.6;
  color: var(--news-label);
}

/* 列表 */
.page-news .news-feed__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  padding-bottom: 14px;
  border-bottom: var(--bd) solid var(--line);
}

.page-news .news-section-title {
  margin: 0;
  font-size: clamp(20px, 2.6vw, 26px);
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-news .news-feed__hint {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--news-label);
}

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

.page-news .news-item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line-soft);
  transition: background 160ms var(--ease);
}

.page-news .news-item:hover {
  background: rgba(40, 224, 255, 0.04);
}

.page-news .news-item__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--line);
  padding-top: 3px;
}

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

.page-news .news-item__cat {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  padding: 3px 8px;
  color: var(--cyan);
  background: rgba(40, 224, 255, 0.09);
  border: 1px solid rgba(40, 224, 255, 0.4);
}

.page-news .news-item[data-cat="lineup"] .news-item__cat {
  color: var(--lime);
  background: rgba(200, 255, 61, 0.09);
  border-color: rgba(200, 255, 61, 0.45);
}

.page-news .news-item[data-cat="sync"] .news-item__cat {
  color: #b9aeff;
  background: rgba(123, 97, 255, 0.16);
  border-color: rgba(123, 97, 255, 0.55);
}

.page-news .news-item__time {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--news-label);
}

.page-news .news-item__title {
  margin: 0 0 8px;
  font-size: clamp(16px, 1.9vw, 19px);
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: -0.01em;
}

.page-news .news-item__sum {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
  max-width: 62ch;
}

.page-news .news-item__more {
  margin-top: 10px;
}

.page-news .news-item__more summary {
  display: inline-block;
  list-style: none;
  cursor: pointer;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan);
  padding: 4px 10px;
  border: 1px dashed rgba(40, 224, 255, 0.45);
  transition: background 160ms var(--ease);
}

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

.page-news .news-item__more summary:hover {
  background: rgba(40, 224, 255, 0.1);
}

.page-news .news-item__steps {
  margin: 10px 0 0;
  padding-left: 18px;
  font-size: 13px;
  line-height: 1.8;
  color: var(--news-label);
}

.page-news .news-item__note {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--news-label);
  padding-left: 12px;
  border-left: 2px solid var(--line);
}

.page-news .news-feed__figure {
  margin: 24px 0 0;
}

.page-news .news-feed__figure .rig-figure__frame {
  border: var(--bd) solid var(--line);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}

/* 侧栏 */
.page-news .news-side {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.page-news .news-side__card {
  padding: 16px;
  background: var(--ink-800);
  border: var(--bd) solid var(--line);
  box-shadow: var(--shadow-hard);
}

.page-news .news-side__card--accent {
  background: linear-gradient(150deg, rgba(123, 97, 255, 0.2), rgba(11, 24, 48, 0.95) 62%);
}

.page-news .news-side__links,
.page-news .news-side__follow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-news .news-side__links a {
  display: block;
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-news .news-side__links a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-news .news-side__links span {
  display: block;
  margin-top: 3px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--news-label);
}

.page-news .news-side__follow li {
  display: flex;
  gap: 10px;
  align-items: baseline;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
  padding-top: 10px;
  border-top: 1px solid var(--line-soft);
}

.page-news .news-side__follow li:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-news .news-side__figure {
  margin: 0;
  border: var(--bd) solid var(--line);
  overflow: hidden;
  background: var(--ink-deep);
}

/* 分布专栏 */
.page-news .news-split-zone {
  padding-top: clamp(34px, 5vw, 64px);
  padding-bottom: clamp(34px, 5vw, 64px);
  border-top: var(--bd) solid var(--line);
}

.page-news .news-split-zone__grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
}

.page-news .news-split-zone__title {
  margin: 12px 0 16px;
  font-size: clamp(24px, 4vw, 44px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.page-news .news-split-zone__lead {
  margin: 0;
  max-width: 54ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-news .news-dims {
  list-style: none;
  margin: 22px 0 24px;
  padding: 0;
}

.page-news .news-dim {
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr);
  gap: 14px;
  padding: 12px 0;
  border-top: 1px solid var(--line-soft);
}

.page-news .news-dim__key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--lime);
  padding-top: 3px;
}

.page-news .news-dim p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-news .news-split-zone__fig {
  margin: 0;
  border: var(--bd) solid var(--line);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
  background: var(--ink-deep);
}

/* 选题反馈 */
.page-news .news-topic {
  padding-top: clamp(10px, 2vw, 24px);
}

.page-news .news-topic__box {
  display: grid;
  gap: 22px;
  padding: clamp(22px, 3.6vw, 44px);
  border: var(--bd) solid var(--line);
  box-shadow: var(--shadow-hard);
  background:
    linear-gradient(135deg, rgba(123, 97, 255, 0.26), rgba(40, 224, 255, 0.1) 55%, rgba(7, 17, 31, 0) 85%),
    var(--panel);
}

.page-news .news-topic__title {
  margin: 0 0 12px;
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 900;
  letter-spacing: -0.02em;
}

.page-news .news-topic__text p {
  margin: 0 0 10px;
  max-width: 60ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-news .news-topic__contact {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--news-label);
}

.page-news .news-topic__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: flex-start;
}

/* 窄屏伸缩 */
@media (max-width: 640px) {
  .page-news .news-item {
    grid-template-columns: 26px minmax(0, 1fr);
    gap: 8px;
  }

  .page-news .news-dim {
    grid-template-columns: 64px minmax(0, 1fr);
    gap: 10px;
  }

  .page-news .news-chip {
    padding: 6px 10px;
    font-size: 12px;
  }

  .page-news .news-topic__actions .rig-btn {
    width: 100%;
    text-align: center;
  }
}

/* 中屏起分栏 */
@media (min-width: 768px) {
  .page-news .news-topic__box {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
  }
}

@media (min-width: 900px) {
  .page-news .news-mast {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: clamp(30px, 5vw, 72px);
    align-items: end;
  }

  .page-news .news-split-zone__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  }
}

@media (min-width: 1024px) {
  .page-news .news-layout {
    grid-template-columns: 218px minmax(0, 1fr) 284px;
    gap: clamp(24px, 3vw, 42px);
  }

  .page-news .news-filters {
    flex-direction: column;
    flex-wrap: nowrap;
    position: sticky;
    top: 96px;
  }

  .page-news .news-side {
    position: sticky;
    top: 96px;
  }

  .page-news .news-item {
    grid-template-columns: 40px minmax(0, 1fr);
    gap: 16px;
    padding: 20px 0;
  }

  .page-news .news-item__num {
    font-size: 13px;
  }
}

/* 分类筛选：仅收敛当前页已有条目 */
.page-news:has(#cat-lineup:checked) .news-item:not([data-cat="lineup"]),
.page-news:has(#cat-split:checked) .news-item:not([data-cat="split"]),
.page-news:has(#cat-entry:checked) .news-item:not([data-cat="entry"]),
.page-news:has(#cat-sync:checked) .news-item:not([data-cat="sync"]),
.page-news:has(#cat-version:checked) .news-item:not([data-cat="version"]) {
  display: none;
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-chip,
  .page-news .news-item,
  .page-news .news-item__more summary,
  .page-news .news-mast__indexlist a,
  .page-news .news-side__links a {
    transition: none;
  }
}
<<<END>>>