.page-news {
  --news-line: rgba(147, 160, 196, 0.26);
  --news-panel: rgba(22, 31, 69, 0.72);
  background: var(--ink-900);
  color: var(--paper);
}

.page-news .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 18px 0 0;
  font-size: 13px;
  color: var(--slate);
}

.page-news .breadcrumb a {
  color: var(--slate);
  text-decoration: none;
}

.page-news .breadcrumb a:hover,
.page-news .breadcrumb a:focus-visible {
  color: var(--cyan);
}

.page-news .news-masthead {
  padding: clamp(20px, 4vw, 44px) 0 clamp(20px, 3.5vw, 32px);
  border-bottom: 1px solid var(--ink-500);
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(255, 90, 31, 0.16), transparent 62%),
    radial-gradient(80% 70% at 0% 100%, rgba(43, 239, 210, 0.08), transparent 70%);
}

.page-news h1 {
  margin: 10px 0 0;
  max-width: 24ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.9rem, 6.2vw, 3.4rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
}

.page-news h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.35rem, 3.6vw, 2rem);
  line-height: 1.18;
  letter-spacing: -0.01em;
}

.page-news .news-masthead__lead {
  margin: 14px 0 0;
  max-width: 64ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--paper-dim);
}

.page-news .news-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: clamp(18px, 3vw, 28px) 0 0;
  padding: 0;
  list-style: none;
}

.page-news .news-metric {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 10px 0 10px 12px;
  border-left: 2px solid var(--orange);
}

.page-news .news-metric__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(24px, 3.6vw, 30px);
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
}

.page-news .news-metric__label {
  font-size: 13px;
  color: var(--slate);
}

/* 焦点区 */
.page-news .news-focus {
  padding: clamp(26px, 5vw, 52px) 0;
  border-bottom: 1px solid var(--news-line);
}

.page-news .news-focus__grid {
  display: grid;
  gap: 20px;
}

.page-news .lead-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--ink-700);
  border: 1px solid var(--ink-500);
}

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

.page-news .lead-card__body {
  padding: clamp(16px, 3vw, 26px);
}

.page-news .lead-card h3 {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 3.2vw, 1.6rem);
  font-weight: 900;
  line-height: 1.3;
  color: var(--paper);
}

.page-news .entry-kicker {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
}

.page-news .entry-time {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--slate);
}

.page-news .entry-text {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper-dim);
}

.page-news .focus-side {
  padding: 16px;
  background: var(--news-panel);
  border-top: 3px solid var(--orange);
}

.page-news .focus-list {
  display: grid;
  gap: 12px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .focus-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px;
  padding-top: 12px;
  border-top: 1px solid var(--news-line);
}

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

.page-news .focus-index {
  padding-top: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gold);
}

.page-news .focus-list p {
  margin: 0;
  font-size: 14px;
  line-height: 1.68;
  color: var(--paper-dim);
}

.page-news .focus-list a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 239, 210, 0.35);
}

.page-news .focus-list a:hover,
.page-news .focus-list a:focus-visible {
  color: var(--paper);
  border-color: var(--paper);
}

/* 归档主体 */
.page-news .news-archive {
  padding: clamp(24px, 4vw, 44px) 0;
}

.page-news .archive-head {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

.page-news .archive-head p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate);
}

.page-news .news-tagbar {
  display: flex;
  gap: 8px;
  padding: 12px 0;
  overflow-x: auto;
  border-top: 1px solid var(--ink-500);
  border-bottom: 1px solid var(--ink-500);
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-news .news-tag {
  flex: 0 0 auto;
  display: inline-block;
  padding: 9px 13px;
  font-size: 14px;
  line-height: 1;
  white-space: nowrap;
  color: var(--paper-dim);
  text-decoration: none;
  border: 1px solid var(--ink-500);
  border-radius: var(--r-sm);
  transition: color 0.18s var(--ease), background-color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-news .news-tag:hover,
.page-news .news-tag:focus-visible {
  background: var(--ink-500);
  color: var(--paper);
}

.page-news .news-tag--active {
  color: var(--paper);
  border-color: var(--orange);
  box-shadow: inset 0 -2px 0 var(--orange);
}

.page-news .news-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
  padding: 14px 0 0;
}

.page-news .filter-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.page-news .filter-key {
  font-size: 12px;
  color: var(--slate);
}

.page-news .chip {
  padding: 4px 10px;
  font-size: 12px;
  color: var(--paper-dim);
  border: 1px dashed var(--ink-500);
  border-radius: 999px;
}

.page-news .news-body {
  display: grid;
  gap: 24px;
  padding-top: clamp(16px, 3vw, 28px);
}

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

.page-news .day-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 0;
  list-style: none;
  cursor: pointer;
}

.page-news .day-head::-webkit-details-marker {
  display: none;
}

.page-news .day-cut {
  padding: 5px 22px 5px 10px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 14px;
  white-space: nowrap;
  color: var(--ink-900);
  background: var(--orange);
  clip-path: polygon(0 0, 100% 0, calc(100% - 10px) 100%, 0 100%);
}

.page-news .day-meta {
  margin-left: auto;
  font-size: 12px;
  color: var(--slate);
}

.page-news .day-meta .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 14px;
  color: var(--paper);
}

.page-news .day-toggle {
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--slate);
  border-bottom: 2px solid var(--slate);
  transform: rotate(45deg);
  transition: transform 0.2s var(--ease);
}

.page-news .day-group[open] .day-toggle {
  transform: rotate(-135deg);
}

.page-news .day-body {
  padding: 0 0 10px;
}

.page-news .entry {
  --bar: var(--ink-500);
  padding: 14px 0 14px 14px;
  border-left: 3px solid var(--bar);
  border-top: 1px solid var(--news-line);
  transition: background-color 0.18s var(--ease);
}

.page-news .entry:first-child {
  border-top: 0;
}

.page-news .entry:hover {
  background: rgba(42, 58, 118, 0.28);
}

.page-news .entry--report {
  --bar: var(--orange);
}

.page-news .entry--record {
  --bar: var(--cyan);
}

.page-news .entry--venue {
  --bar: var(--clay);
}

.page-news .entry h3 {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-size: clamp(16px, 2.2vw, 19px);
  font-weight: 800;
  line-height: 1.42;
  color: var(--paper);
}

.page-news .entry-facts {
  display: grid;
  gap: 6px;
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
}

.page-news .entry-facts li {
  display: flex;
  align-items: baseline;
  gap: 6px;
  min-width: 0;
}

.page-news .ef-key {
  flex: 0 0 auto;
  font-size: 12px;
  color: var(--slate);
}

.page-news .ef-val {
  color: var(--paper-dim);
  overflow-wrap: anywhere;
}

.page-news .entry-score {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 17px;
  letter-spacing: 0.02em;
  color: var(--cyan);
}

.page-news .entry-figure {
  margin: 12px 0 0;
  overflow: hidden;
  border: 1px solid var(--ink-500);
}

.page-news .entry-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

/* 右栏 */
.page-news .news-rail {
  display: grid;
  gap: 16px;
}

.page-news .rail-block {
  padding: 16px;
  background: var(--ink-700);
  border: 1px solid var(--ink-500);
}

.page-news .rail-block h2 {
  margin: 6px 0 0;
  font-size: clamp(1.05rem, 2.8vw, 1.3rem);
  line-height: 1.32;
}

.page-news .rail-figure {
  margin: 14px 0 0;
  overflow: hidden;
  border: 1px solid var(--ink-500);
}

.page-news .rail-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.page-news .track {
  display: grid;
  gap: 16px;
  margin: 16px 0 0;
  padding: 0 0 0 16px;
  list-style: none;
  border-left: 1px solid var(--ink-500);
}

.page-news .track li {
  position: relative;
}

.page-news .track li::before {
  content: "";
  position: absolute;
  left: -21px;
  top: 4px;
  width: 9px;
  height: 9px;
  background: var(--cyan);
  box-shadow: 0 0 0 3px var(--ink-700);
}

.page-news .track li:first-child::before {
  background: var(--orange);
}

.page-news .track-when {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.03em;
  color: var(--gold);
}

.page-news .track p {
  margin: 4px 0 0;
  font-size: 13.5px;
  line-height: 1.66;
  color: var(--paper-dim);
}

.page-news .rail-block--follow {
  border-top: 3px solid var(--cyan);
}

.page-news .rail-links {
  display: grid;
  gap: 10px;
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
  font-size: 14px;
}

.page-news .rail-links a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 239, 210, 0.3);
}

.page-news .rail-links a:hover,
.page-news .rail-links a:focus-visible {
  color: var(--paper);
  border-color: var(--paper);
}

/* 浅色纸面：专题 */
.page-news .news-topics {
  padding: clamp(28px, 6vw, 64px) 0;
  color: var(--black);
  background: var(--paper);
}

.page-news .topics-head {
  display: grid;
  gap: 18px;
}

.page-news .topics-head p {
  margin: 8px 0 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.72;
  color: rgba(10, 13, 24, 0.78);
}

.page-news .topics-figure {
  margin: 0;
  border: 2px solid var(--black);
  box-shadow: 8px 8px 0 -1px rgba(10, 13, 24, 0.16);
}

.page-news .topics-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 12 / 7;
  object-fit: cover;
}

.page-news .topic-grid {
  display: grid;
  gap: 14px;
  margin: clamp(20px, 4vw, 32px) 0 0;
  padding: 0;
  list-style: none;
}

.page-news .topic-card {
  padding: 16px;
  background: var(--paper);
  border: 1px solid var(--black);
  box-shadow: 4px 4px 0 0 rgba(10, 13, 24, 0.14);
}

.page-news .topic-card__cycle {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  letter-spacing: 0.03em;
  color: var(--clay);
}

.page-news .topic-card h3 {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 900;
  color: var(--black);
}

.page-news .topic-card p:last-child {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(10, 13, 24, 0.78);
}

/* 更新节奏 */
.page-news .news-rhythm {
  padding: clamp(32px, 6vw, 64px) 0;
  border-top: 1px solid var(--ink-500);
  background: linear-gradient(180deg, rgba(42, 58, 118, 0.4), transparent 72%);
}

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

.page-news .rhythm-copy p {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--paper-dim);
}

.page-news .rhythm-figures {
  display: flex;
  flex-wrap: wrap;
  gap: 20px 26px;
  margin: 20px 0 0;
}

.page-news .rhythm-figure {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-left: 14px;
  border-left: 2px solid var(--cyan);
}

.page-news .rhythm-figure .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(28px, 5vw, 40px);
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
}

.page-news .rhythm-figure span:last-child {
  font-size: 13px;
  color: var(--slate);
}

.page-news .rhythm-ways {
  display: grid;
  gap: 12px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .rhythm-ways li {
  padding-top: 12px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--paper-dim);
  border-top: 1px solid var(--news-line);
}

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

.page-news .rhythm-ways strong {
  color: var(--paper);
  font-weight: 800;
}

.page-news .rhythm-ways a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 239, 210, 0.35);
}

.page-news .rhythm-ways a:hover,
.page-news .rhythm-ways a:focus-visible {
  color: var(--paper);
  border-color: var(--paper);
}

@media (min-width: 600px) {
  .page-news .entry-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
  }
}

@media (min-width: 720px) {
  .page-news .news-metrics {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-news .topic-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }
}

@media (min-width: 900px) {
  .page-news .news-focus__grid {
    grid-template-columns: minmax(0, 1.75fr) minmax(0, 1fr);
    gap: 28px;
  }

  .page-news .topics-head {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: end;
    gap: 32px;
  }

  .page-news .rhythm-grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    gap: 40px;
  }
}

@media (min-width: 1024px) {
  .page-news .news-body {
    grid-template-columns: minmax(0, 2.3fr) minmax(0, 1fr);
    gap: 36px;
    align-items: start;
  }

  .page-news .news-rail {
    position: sticky;
    top: 88px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-tag,
  .page-news .entry,
  .page-news .day-toggle {
    transition: none;
  }
}