.page-news {
  --news-hair: rgba(59, 242, 196, .16);
  --news-card: rgba(14, 42, 33, .58);
  --news-card-hover: rgba(22, 59, 46, .88);
  background:
    radial-gradient(90% 46% at 92% -6%, rgba(59, 242, 196, .13), transparent 60%),
    radial-gradient(70% 40% at -10% 34%, rgba(156, 140, 255, .09), transparent 62%),
    var(--pitch-900);
  color: var(--mist);
  overflow-x: clip;
  padding-bottom: clamp(36px, 6vw, 72px);
}

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

.page-news h1,
.page-news h2,
.page-news h3 {
  margin: 0;
}

.page-news p {
  margin: 0;
}

.page-news a {
  text-decoration: none;
}

.page-news a:focus-visible {
  outline: 2px solid var(--signal-teal);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- 首屏 masthead ---------- */
.page-news .news-masthead {
  position: relative;
  display: grid;
  gap: clamp(18px, 3vw, 32px);
  margin-top: clamp(14px, 2.6vw, 26px);
  padding: clamp(20px, 3.6vw, 42px);
  border: 1px solid var(--pitch-700);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(14, 42, 33, .92), rgba(5, 19, 15, .95));
  overflow: hidden;
}

.page-news .news-masthead::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--signal-teal), rgba(59, 242, 196, 0) 58%, var(--warm-orange));
  opacity: .9;
}

.page-news .news-masthead::after {
  content: "";
  position: absolute;
  right: 16px;
  top: 22px;
  bottom: 22px;
  width: 1px;
  background: repeating-linear-gradient(180deg, var(--line-green) 0 6px, transparent 6px 16px);
  pointer-events: none;
}

.page-news .news-masthead h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(38px, 7.2vw, 74px);
  line-height: 1.02;
  letter-spacing: -.01em;
  color: var(--paper);
  margin: .16em 0 .3em;
}

.page-news .masthead-lede {
  max-width: 48ch;
  font-size: clamp(15px, 1.5vw, 18px);
  line-height: 1.72;
  color: var(--mist);
}

.page-news .masthead-meta {
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--teal-soft);
  padding-top: 12px;
  border-top: 1px solid var(--pitch-700);
}

.page-news .masthead-signal {
  align-self: end;
  padding: clamp(16px, 2.4vw, 24px);
  border: 1px solid var(--pitch-700);
  border-radius: 14px;
  background: linear-gradient(165deg, rgba(5, 19, 15, .92), rgba(14, 42, 33, .72));
}

.page-news .signal-kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--teal-soft);
  text-transform: uppercase;
}

.page-news .signal-value {
  margin-top: 6px;
  font-family: var(--font-data);
  font-weight: 700;
  font-size: clamp(46px, 8vw, 66px);
  line-height: .95;
  color: var(--signal-teal);
}

.page-news .signal-value span {
  font-family: var(--font-body);
  font-size: .28em;
  letter-spacing: .16em;
  color: var(--teal-soft);
  margin-left: .3em;
  vertical-align: middle;
}

.page-news .signal-note {
  margin-top: 8px;
  font-size: 13px;
  color: var(--mist);
}

.page-news .signal-list {
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
  border-top: 1px solid var(--pitch-700);
  padding-top: 14px;
}

.page-news .signal-row {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  font-size: 13px;
}

.page-news .signal-row dt {
  color: var(--mist);
  opacity: .82;
}

.page-news .signal-row dd {
  margin: 0;
  font-family: var(--font-mono);
  color: var(--paper);
}

/* ---------- 两栏布局 ---------- */
.page-news .news-layout {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  margin-top: clamp(26px, 4vw, 46px);
}

.page-news .aside-title {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .16em;
  color: var(--teal-soft);
  text-transform: uppercase;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--pitch-700);
}

.page-news .cat-index {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-news .cat-item {
  display: flex;
  gap: 12px;
  padding: 10px 8px 10px 0;
  border-bottom: 1px dashed rgba(42, 74, 61, .7);
  transition: transform .22s var(--ease);
}

.page-news .cat-item:hover {
  transform: translateX(4px);
}

.page-news .cat-no {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--signal-teal);
  padding-top: 2px;
}

.page-news .cat-name {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 15px;
  color: var(--paper);
}

.page-news .cat-desc {
  margin-top: 2px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--mist);
  opacity: .8;
}

.page-news .aside-note {
  margin-top: 22px;
  padding: 16px;
  border-radius: 14px;
  border-left: 2px solid var(--warm-orange);
  background: rgba(14, 42, 33, .68);
}

.page-news .aside-note-title {
  font-weight: 600;
  font-size: 14px;
  color: var(--paper);
}

.page-news .aside-note-text {
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

.page-news .aside-link {
  display: inline-block;
  margin-top: 12px;
  font-size: 13px;
  color: var(--signal-teal);
  border-bottom: 1px solid rgba(59, 242, 196, .45);
  padding-bottom: 2px;
}

.page-news .aside-link:hover {
  color: var(--teal-soft);
  border-bottom-color: var(--teal-soft);
}

/* ---------- 头条 ---------- */
.page-news .headlines-head,
.page-news .stream-head,
.page-news .series-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 18px;
  margin-bottom: 18px;
}

.page-news .headlines h2,
.page-news .stream-head h2,
.page-news .series-head h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 3.4vw, 34px);
  color: var(--paper);
  letter-spacing: -.01em;
}

.page-news .headlines-note,
.page-news .stream-note,
.page-news .series-note {
  font-size: 13px;
  color: var(--mist);
  opacity: .78;
}

.page-news .lead-story {
  display: grid;
  border: 1px solid var(--pitch-700);
  border-radius: var(--radius);
  background: linear-gradient(150deg, rgba(22, 59, 46, .9), rgba(5, 19, 15, .92));
  overflow: hidden;
  transition: transform .26s var(--ease), border-color .26s var(--ease);
}

.page-news .lead-story:hover {
  transform: translateY(-4px);
  border-color: var(--signal-teal);
}

.page-news .lead-media {
  position: relative;
  overflow: hidden;
}

.page-news .lead-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(5, 19, 15, 0) 45%, rgba(5, 19, 15, .78)),
    repeating-linear-gradient(90deg, rgba(59, 242, 196, .08) 0 1px, transparent 1px 42px);
  pointer-events: none;
}

.page-news .lead-media img {
  width: 100%;
  height: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-news .lead-body {
  padding: clamp(18px, 2.6vw, 30px);
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-news .story-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-news .story-time,
.page-news .item-time {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--mist);
  opacity: .72;
}

.page-news .lead-body h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(21px, 2.6vw, 30px);
  line-height: 1.32;
  color: var(--paper);
}

.page-news .lead-body h3 a:hover {
  color: var(--teal-soft);
}

.page-news .lead-text {
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--mist);
}

.page-news .lead-points {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 7px;
}

.page-news .lead-points li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--mist);
}

.page-news .lead-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--signal-teal);
  opacity: .8;
}

.page-news .story-link {
  justify-self: start;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 13.5px;
  letter-spacing: .04em;
  color: var(--signal-teal);
  border-bottom: 1px solid rgba(59, 242, 196, .45);
  padding-bottom: 3px;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-news .story-link:hover {
  color: var(--teal-soft);
  border-bottom-color: var(--teal-soft);
}

.page-news .sub-stories {
  display: grid;
  gap: 14px;
  margin-top: 14px;
}

.page-news .sub-story {
  display: grid;
  gap: 10px;
  padding: 18px;
  border: 1px solid var(--pitch-700);
  border-radius: 16px;
  background: var(--news-card);
  transition: transform .24s var(--ease), background .24s var(--ease);
}

.page-news .sub-story:hover {
  transform: translateY(-4px);
  background: var(--news-card-hover);
}

.page-news .sub-story--accent {
  border-left: 2px solid var(--warm-orange);
}

.page-news .sub-story h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(17px, 2vw, 21px);
  line-height: 1.4;
  color: var(--paper);
}

.page-news .sub-story h3 a:hover {
  color: var(--teal-soft);
}

.page-news .sub-story p {
  font-size: 14px;
  line-height: 1.72;
  color: var(--mist);
}

.page-news .sub-media {
  order: -1;
  border-radius: 12px;
  overflow: hidden;
}

.page-news .sub-media img {
  width: 100%;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

/* ---------- 筛选与列表 ---------- */
.page-news .stream-section {
  margin-top: clamp(32px, 5vw, 56px);
}

.page-news .filter-panel {
  border-top: 1px solid var(--pitch-700);
  padding-top: 18px;
}

.page-news .filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

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

.page-news .filter-chip {
  display: inline-block;
  padding: 7px 14px;
  border: 1px solid var(--pitch-700);
  border-radius: 999px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--mist);
  cursor: pointer;
  transition: background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}

.page-news .filter-chip:hover {
  border-color: var(--signal-teal);
  color: var(--teal-soft);
}

.page-news .filter-input:checked + .filter-chip {
  background: var(--signal-teal);
  border-color: var(--signal-teal);
  color: var(--pitch-950);
}

.page-news .filter-input:focus-visible + .filter-chip {
  outline: 2px solid var(--signal-teal);
  outline-offset: 3px;
}

.page-news .screen-toggle {
  margin-top: 14px;
}

.page-news .screen-label {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 13px;
  color: var(--mist);
  cursor: pointer;
}

.page-news .switch-track {
  position: relative;
  width: 34px;
  height: 18px;
  border-radius: 999px;
  background: var(--pitch-700);
  border: 1px solid var(--line-green);
  transition: background .2s var(--ease), border-color .2s var(--ease);
}

.page-news .switch-track::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--mist);
  transition: transform .2s var(--ease), background .2s var(--ease);
}

.page-news .filter-input:checked + .screen-label .switch-track {
  background: rgba(255, 138, 61, .28);
  border-color: var(--warm-orange);
}

.page-news .filter-input:checked + .screen-label .switch-track::after {
  transform: translateX(16px);
  background: var(--warm-orange);
}

.page-news .filter-input:focus-visible + .screen-label {
  outline: 2px solid var(--signal-teal);
  outline-offset: 3px;
  border-radius: 999px;
}

.page-news .stream-empty {
  display: none;
  margin-top: 14px;
  font-size: 13px;
  color: var(--teal-soft);
}

.page-news .filter-panel:has(#only-screen:checked) .stream-empty {
  display: block;
}

.page-news .news-stream {
  display: grid;
  gap: 10px;
  margin-top: 20px;
}

.page-news .news-item {
  display: grid;
  gap: 7px;
  padding: 15px 16px;
  border-radius: 14px;
  border: 1px solid transparent;
  border-bottom-color: var(--pitch-700);
  background: linear-gradient(180deg, rgba(14, 42, 33, .42), rgba(8, 28, 22, .22));
  transition: transform .22s var(--ease), background .22s var(--ease), border-color .22s var(--ease);
}

.page-news .news-item:hover,
.page-news .news-item:focus-within {
  transform: translateY(-4px);
  background: linear-gradient(180deg, var(--news-card-hover), rgba(8, 28, 22, .6));
  border-color: var(--pitch-700);
}

.page-news .item-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-news .item-title {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: clamp(15.5px, 1.8vw, 17.5px);
  line-height: 1.55;
  color: var(--paper);
}

.page-news .item-title:hover {
  color: var(--teal-soft);
}

.page-news .item-summary {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--mist);
  transition: -webkit-line-clamp .2s linear;
}

.page-news .news-item:hover .item-summary,
.page-news .news-item:focus-within .item-summary {
  -webkit-line-clamp: 6;
}

/* 前端筛选：支持 :has 时生效，不支持时全部条目保持可见 */
.page-news .filter-panel:has(#cat-dynamic:checked) .news-item,
.page-news .filter-panel:has(#cat-version:checked) .news-item,
.page-news .filter-panel:has(#cat-preview:checked) .news-item,
.page-news .filter-panel:has(#cat-data:checked) .news-item,
.page-news .filter-panel:has(#cat-screen:checked) .news-item {
  display: none;
}

.page-news .filter-panel:has(#cat-dynamic:checked) .news-item--dynamic,
.page-news .filter-panel:has(#cat-version:checked) .news-item--version,
.page-news .filter-panel:has(#cat-preview:checked) .news-item--preview,
.page-news .filter-panel:has(#cat-data:checked) .news-item--data,
.page-news .filter-panel:has(#cat-screen:checked) .news-item--screen {
  display: grid;
}

.page-news .filter-panel:has(#only-screen:checked) .news-item:not(.is-screen) {
  display: none;
}

/* ---------- 专题轨道 ---------- */
.page-news .series-section {
  margin-top: clamp(44px, 6vw, 80px);
  padding: clamp(28px, 4.5vw, 52px) 0 clamp(24px, 3.5vw, 40px);
  border-top: 1px solid var(--pitch-700);
  border-bottom: 1px solid var(--pitch-700);
  background:
    radial-gradient(80% 80% at 10% 0%, rgba(59, 242, 196, .1), transparent 60%),
    rgba(5, 19, 15, .55);
}

.page-news .series-track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(238px, 292px);
  gap: 16px;
  overflow-x: auto;
  padding-bottom: 16px;
  scroll-snap-type: x mandatory;
  scrollbar-color: var(--pitch-700) transparent;
}

.page-news .series-track:focus-visible {
  outline: 2px solid var(--signal-teal);
  outline-offset: 6px;
  border-radius: 12px;
}

.page-news .series-card {
  scroll-snap-align: start;
  display: grid;
  gap: 9px;
  align-content: start;
  padding: 18px;
  border: 1px solid var(--pitch-700);
  border-radius: 16px;
  background: linear-gradient(160deg, rgba(22, 59, 46, .75), rgba(5, 19, 15, .9));
  transition: transform .24s var(--ease), border-color .24s var(--ease);
}

.page-news .series-card:hover {
  transform: translateY(-4px);
  border-color: var(--violet-data);
}

.page-news .series-media {
  border-radius: 12px;
  overflow: hidden;
  margin: -6px -6px 2px;
}

.page-news .series-media img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-news .series-kicker {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--teal-soft);
}

.page-news .series-card h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  line-height: 1.42;
  color: var(--paper);
}

.page-news .series-card p {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--mist);
}

.page-news .series-ticks {
  height: 1px;
  margin-top: 6px;
  background: repeating-linear-gradient(90deg, var(--line-green) 0 1px, transparent 1px 26px);
}

/* ---------- 编辑手记 ---------- */
.page-news .notes-section {
  margin-top: clamp(44px, 6vw, 80px);
  padding: clamp(32px, 5vw, 64px) 0;
  background: var(--paper);
  color: var(--ink);
}

.page-news .notes-inner {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  align-items: start;
}

.page-news .notes-kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--orange-deep);
  text-transform: uppercase;
}

.page-news .notes-text h2 {
  margin: 10px 0 18px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 3.4vw, 36px);
  line-height: 1.28;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-news .notes-text p {
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.86;
  color: #23332C;
  margin-bottom: 16px;
}

.page-news .notes-text p.dropcap::first-letter {
  float: left;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 3.4em;
  line-height: .84;
  padding: .06em .12em 0 0;
  color: var(--pitch-800);
}

.page-news .notes-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
  border-top: 1px solid rgba(11, 21, 18, .16);
  padding-top: 18px;
}

.page-news .notes-list li {
  display: flex;
  gap: 12px;
  font-size: 14px;
  line-height: 1.72;
  color: #23332C;
}

.page-news .notes-no {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--orange-deep);
  padding-top: 3px;
}

.page-news .notes-figure {
  margin: 0;
  border-radius: 16px;
  overflow: hidden;
  background: var(--pitch-800);
}

.page-news .notes-figure img {
  width: 100%;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

.page-news .notes-figure figcaption {
  padding: 12px 16px 16px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.6;
  letter-spacing: .04em;
  color: var(--mist);
  background: var(--pitch-800);
}

/* ---------- 下一步入口 ---------- */
.page-news .next-section {
  padding: clamp(36px, 5.5vw, 68px) 0 clamp(10px, 2vw, 24px);
  background:
    radial-gradient(70% 90% at 88% 10%, rgba(255, 138, 61, .12), transparent 62%),
    var(--pitch-950);
}

.page-news .next-grid {
  display: grid;
  gap: clamp(22px, 3.4vw, 40px);
}

.page-news .next-lead h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 3.6vw, 36px);
  line-height: 1.28;
  color: var(--paper);
}

.page-news .next-lead p {
  margin: 14px 0 22px;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-news .next-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-news .next-links a {
  display: grid;
  gap: 4px;
  padding: 15px 16px;
  border: 1px solid var(--pitch-700);
  border-radius: 14px;
  background: rgba(14, 42, 33, .5);
  transition: transform .22s var(--ease), border-color .22s var(--ease), background .22s var(--ease);
}

.page-news .next-links a:hover {
  transform: translateY(-3px);
  border-color: var(--signal-teal);
  background: rgba(22, 59, 46, .82);
}

.page-news .next-link-title {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 15px;
  color: var(--paper);
}

.page-news .next-link-desc {
  font-size: 13px;
  line-height: 1.65;
  color: var(--mist);
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-news .sub-stories {
    grid-template-columns: 1fr 1fr;
  }

  .page-news .news-stream {
    grid-template-columns: 1fr 1fr;
  }

  .page-news .news-item--wide {
    grid-column: 1 / -1;
  }

  .page-news .next-links {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 900px) {
  .page-news .news-masthead {
    grid-template-columns: 1.55fr .9fr;
    align-items: end;
  }

  .page-news .lead-story {
    grid-template-columns: 1.05fr 1fr;
    align-items: stretch;
  }

  .page-news .lead-media img {
    height: 100%;
    aspect-ratio: auto;
    min-height: 320px;
  }

  .page-news .notes-inner {
    grid-template-columns: 1.35fr .75fr;
  }

  .page-news .next-grid {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-news .news-layout {
    grid-template-columns: minmax(216px, 264px) minmax(0, 1fr);
    align-items: start;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-news .cat-item,
  .page-news .lead-story,
  .page-news .sub-story,
  .page-news .news-item,
  .page-news .series-card,
  .page-news .next-links a,
  .page-news .filter-chip,
  .page-news .switch-track,
  .page-news .switch-track::after {
    transition: none;
  }

  .page-news .cat-item:hover,
  .page-news .lead-story:hover,
  .page-news .sub-story:hover,
  .page-news .news-item:hover,
  .page-news .news-item:focus-within,
  .page-news .series-card:hover,
  .page-news .next-links a:hover {
    transform: none;
  }
}
<<<END>>>