.page-news {
  background: var(--ink-950);
  color: var(--cream-50);
  overflow-x: clip;
  --news-wash: rgba(53, 224, 210, .06);
  --news-rule: 60%;
}

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

/* ---------- 页头 ---------- */
.page-news .trends-head {
  padding-block: clamp(22px, 4vw, 52px) clamp(26px, 4vw, 56px);
}

.page-news .head-crumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: clamp(18px, 3vw, 36px);
  font-size: 13px;
  letter-spacing: .02em;
  color: var(--text-dim);
}

.page-news .head-crumb a {
  color: var(--cyan-400);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 180ms var(--ease);
}

.page-news .head-crumb a:hover,
.page-news .head-crumb a:focus-visible {
  border-bottom-color: var(--cyan-400);
}

.page-news .head-split {
  display: grid;
  gap: clamp(24px, 3.5vw, 46px);
  grid-template-columns: minmax(0, 1fr);
}

.page-news .head-kicker {
  color: var(--ember-500);
}

.page-news .head-copy h1 {
  margin: 14px 0 20px;
  max-width: 22ch;
  font-size: clamp(34px, 6vw, 66px);
  font-weight: 400;
  line-height: 1.06;
  letter-spacing: -.01em;
}

.page-news .lede {
  margin: 0;
  max-width: 48ch;
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.9;
  color: rgba(243, 236, 224, .84);
}

.page-news .head-note {
  margin: 18px 0 0;
  max-width: 52ch;
  color: rgba(53, 224, 210, .72);
}

.page-news .head-panel {
  position: relative;
  padding: clamp(18px, 2.4vw, 26px);
  background: var(--ink-900);
  border: 1px solid var(--line-dark);
  border-top: 2px solid var(--ember-500);
  border-radius: var(--r-md);
}

.page-news .head-panel .label {
  color: var(--text-dim);
}

.page-news .head-panel .metric {
  margin: 10px 0 0;
}

.page-news .head-panel .metric-value {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(52px, 8vw, 88px);
  font-weight: 400;
  line-height: 1;
  letter-spacing: .06em;
  color: var(--cyan-400);
}

.page-news .head-panel .metric-note {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-news .head-facts {
  display: grid;
  gap: 10px;
  margin: 22px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line-dark);
}

.page-news .head-facts > div {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 14px;
}

.page-news .head-facts dt {
  font-size: 13px;
  color: var(--text-dim);
}

.page-news .head-facts dd {
  margin: 0;
  font-size: 15px;
  color: var(--cream-50);
}

.page-news .head-facts dd.num {
  font-family: var(--font-mono);
  letter-spacing: .06em;
}

/* ---------- 横向最新记录带 ---------- */
.page-news .trend-strip-section {
  background: var(--ink-900);
  padding-block: clamp(20px, 3vw, 30px) clamp(24px, 3.4vw, 38px);
  border-top: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
}

.page-news .strip-title {
  margin: 0;
  color: var(--text-dim);
}

.page-news .trend-strip {
  display: flex;
  gap: 14px;
  margin: 14px 0 0;
  padding: 4px var(--gut) 18px;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-news .trend-strip:focus-visible {
  outline: 2px solid var(--cyan-400);
  outline-offset: -2px;
}

.page-news .trend-cell {
  flex: 0 0 min(76vw, 292px);
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 16px 18px 18px;
  background: var(--ink-800);
  border: 1px solid var(--line-dark);
  border-radius: var(--r-sm);
}

.page-news .trend-cell-title {
  margin: 0;
  font-size: 17px;
  line-height: 1.4;
  color: var(--cream-50);
}

.page-news .trend-cell-data {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: .06em;
  color: var(--cyan-400);
  font-variant-numeric: tabular-nums;
}

.page-news .trend-cell-note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-dim);
}

/* ---------- 章节骨架 ---------- */
.page-news .trends-section {
  padding-block: clamp(46px, 7vw, 90px);
}

.page-news .chapter-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  gap: 6px 16px;
  margin-bottom: clamp(22px, 3vw, 38px);
}

.page-news .chapter-num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(20px, 2.4vw, 28px);
  letter-spacing: .08em;
  color: var(--ember-500);
}

.page-news .chapter-title {
  margin: 0;
  font-size: clamp(26px, 3.6vw, 44px);
  font-weight: 400;
  line-height: 1.12;
  letter-spacing: -.01em;
}

.page-news .chapter-note {
  grid-column: 2;
  margin: 0;
  font-size: 13px;
  letter-spacing: .02em;
  color: var(--text-dim);
}

.page-news .asym {
  display: grid;
  gap: clamp(22px, 3vw, 42px);
  grid-template-columns: minmax(0, 1fr);
}

.page-news .aside-rail {
  display: grid;
  gap: 18px;
  align-content: start;
}

.page-news .rail-title {
  margin: 0;
  color: var(--cyan-400);
}

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

.page-news .rail-list li {
  font-size: 14px;
  line-height: 1.75;
  color: rgba(243, 236, 224, .74);
  padding-block: 8px;
  border-bottom: 1px solid var(--line-dark);
}

.page-news .rail-list-plain li {
  border-bottom: 0;
  padding-block: 4px;
}

.page-news .rail-link {
  position: relative;
  display: inline-block;
  font-size: 15px;
  color: var(--cream-50);
  text-decoration: none;
  padding-block: 2px;
}

.page-news .rail-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 1px;
  background: var(--cyan-400);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms var(--ease);
}

.page-news .rail-link:hover::after,
.page-news .rail-link:focus-visible::after {
  transform: scaleX(1);
}

.page-news .rail-note {
  margin: 0;
  color: var(--text-dim);
}

.page-news .prose p {
  margin: 0 0 18px;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(243, 236, 224, .86);
}

.page-news .prose p:last-child {
  margin-bottom: 0;
}

.page-news .prose a {
  color: var(--cyan-400);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-700);
  transition: border-color 180ms var(--ease);
}

.page-news .prose a:hover,
.page-news .prose a:focus-visible {
  border-bottom-color: var(--cyan-400);
}

/* ---------- 重点记录 ---------- */
.page-news .hl-section {
  background: var(--ink-900);
  border-top: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
}

.page-news .hl-figure {
  margin: 0 0 clamp(28px, 3.4vw, 46px);
  background: var(--ink-950);
  border: 1px solid var(--line-dark);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-news .hl-figure img {
  display: block;
  width: 100%;
  aspect-ratio: 1600 / 600;
  object-fit: cover;
}

.page-news .media-caption {
  margin: 0;
  padding: 12px 16px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-dim);
  border-top: 1px solid var(--line-dark);
}

.page-news .hl-grid {
  display: grid;
  gap: clamp(26px, 3.4vw, 46px);
  grid-template-columns: minmax(0, 1fr);
}

.page-news .hl-list {
  display: grid;
  gap: clamp(26px, 3.4vw, 44px);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .hl-item {
  position: relative;
  display: grid;
  gap: 10px;
  padding-left: clamp(14px, 2vw, 22px);
  border-left: 1px solid var(--line-dark);
}

.page-news .hl-item::before {
  content: "";
  position: absolute;
  left: -1px;
  top: 0;
  width: 2px;
  height: 30px;
  background: var(--cyan-400);
}

.page-news .hl-item[data-tone="amber"]::before {
  background: var(--amber-400);
}

.page-news .hl-index {
  margin: 0;
  color: var(--text-dim);
}

.page-news .hl-title {
  margin: 0;
  font-size: clamp(24px, 3.4vw, 40px);
  font-weight: 400;
  line-height: 1.14;
  letter-spacing: -.01em;
}

.page-news .hl-data {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(17px, 2vw, 22px);
  letter-spacing: .08em;
  color: var(--cyan-400);
  font-variant-numeric: tabular-nums;
}

.page-news .hl-item[data-tone="amber"] .hl-data {
  color: var(--amber-400);
}

.page-news .hl-text {
  margin: 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(243, 236, 224, .76);
}

.page-news .hl-rail {
  display: grid;
  gap: 20px;
  align-content: start;
}

.page-news .rail-figure {
  margin: 0;
  background: var(--ink-950);
  border: 1px solid var(--line-dark);
  border-radius: var(--r-sm);
  overflow: hidden;
}

.page-news .rail-figure img {
  display: block;
  width: 100%;
}

.page-news .rail-figure figcaption {
  padding: 10px 14px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-dim);
  border-top: 1px solid var(--line-dark);
}

/* ---------- 筛选与条目流 ---------- */
.page-news .log-intro {
  max-width: 62ch;
  margin-bottom: clamp(20px, 2.6vw, 30px);
}

.page-news .filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: clamp(18px, 2.6vw, 28px);
}

.page-news .filter-input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  overflow: hidden;
  clip-path: inset(50%);
}

.page-news .filter-chip {
  display: inline-flex;
  align-items: center;
  padding: 7px 14px;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--text-dim);
  background: transparent;
  border: 1px solid var(--line-dark-strong);
  border-radius: var(--r-sm);
  cursor: pointer;
  transition: color 160ms var(--ease), border-color 160ms var(--ease), background 160ms var(--ease);
}

.page-news .filter-chip:hover {
  color: var(--cream-50);
  border-color: var(--cyan-400);
}

.page-news .filter-input:checked + .filter-chip {
  background: var(--cream-50);
  color: var(--brown-900);
  border-color: var(--cream-50);
}

.page-news .filter-input:focus-visible + .filter-chip {
  outline: 2px solid var(--amber-400);
  outline-offset: 2px;
}

.page-news:has(#cat-ratio:checked) .entry:not([data-cat="ratio"]),
.page-news:has(#cat-quota:checked) .entry:not([data-cat="quota"]),
.page-news:has(#cat-cadence:checked) .entry:not([data-cat="cadence"]),
.page-news:has(#cat-latency:checked) .entry:not([data-cat="latency"]),
.page-news:has(#cat-support:checked) .entry:not([data-cat="support"]),
.page-news:has(#cat-term:checked) .entry:not([data-cat="term"]) {
  display: none;
}

.page-news .entry-list {
  display: grid;
}

.page-news .entry + .entry::before {
  content: "";
  display: block;
  width: var(--news-rule);
  height: 1px;
  background: var(--line-dark);
}

.page-news .entry-summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-areas:
    "tag round"
    "title title"
    "digest digest";
  gap: 8px 14px;
  align-items: start;
  padding: clamp(18px, 4vw, 24px) 0;
  cursor: pointer;
  list-style: none;
  transition: color 160ms var(--ease);
}

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

.page-news .entry-summary::marker {
  content: "";
}

.page-news .entry-tag {
  grid-area: tag;
  align-self: start;
  justify-self: start;
  padding: 4px 8px;
  font-size: 12px;
  letter-spacing: .12em;
  white-space: nowrap;
  color: var(--text-dim);
  border: 1px solid var(--line-dark-strong);
  border-radius: var(--r-sm);
}

.page-news .entry[data-cat="ratio"] .entry-tag {
  background: var(--cyan-400);
  color: var(--ink-950);
  border-color: var(--cyan-400);
}

.page-news .entry[data-cat="quota"] .entry-tag {
  background: var(--amber-400);
  color: var(--ink-950);
  border-color: var(--amber-400);
}

.page-news .entry[data-cat="latency"] .entry-tag {
  color: var(--cyan-400);
  border-color: var(--cyan-700);
}

.page-news .entry[data-cat="cadence"] .entry-tag {
  color: rgba(53, 224, 210, .78);
  border-color: var(--cyan-700);
}

.page-news .entry[data-cat="support"] .entry-tag {
  color: var(--cream-100);
  border-color: var(--line-dark-strong);
}

.page-news .entry[data-cat="term"] .entry-tag {
  color: rgba(243, 236, 224, .58);
  border-color: rgba(243, 236, 224, .22);
}

.page-news .entry-round {
  grid-area: round;
  justify-self: end;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  white-space: nowrap;
  color: var(--text-dim);
}

.page-news .entry-round::after {
  content: " +";
  color: var(--cyan-400);
}

.page-news .entry[open] .entry-round::after {
  content: " −";
}

.page-news .entry-title {
  grid-area: title;
  font-size: clamp(17px, 2vw, 21px);
  line-height: 1.35;
  color: var(--cream-50);
  transition: color 160ms var(--ease);
}

.page-news .entry-digest {
  grid-area: digest;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(243, 236, 224, .68);
}

.page-news .entry-summary:hover .entry-title,
.page-news .entry-summary:focus-visible .entry-title {
  color: var(--cyan-400);
}

.page-news .entry[open] .entry-summary {
  background: var(--news-wash);
}

.page-news .entry-body {
  padding: 0 0 clamp(20px, 2.6vw, 28px);
}

.page-news .entry-note {
  margin: 0;
  max-width: 62ch;
  padding-left: 14px;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(243, 236, 224, .74);
  border-left: 1px solid var(--cyan-700);
}

.page-news .log-footnote {
  margin: clamp(20px, 2.6vw, 30px) 0 0;
  color: var(--text-dim);
}

/* ---------- 记录方式 ---------- */
.page-news .method-main {
  display: grid;
  gap: clamp(22px, 3vw, 34px);
}

.page-news .method-steps {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-dark);
}

.page-news .method-steps li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-dark);
}

.page-news .step-num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--ember-500);
}

.page-news .step-text {
  font-size: 14px;
  line-height: 1.75;
  color: rgba(243, 236, 224, .78);
}

.page-news .rail-block {
  display: grid;
  gap: 10px;
  padding-top: 18px;
  border-top: 1px solid var(--line-dark);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-news .entry-summary {
    grid-template-columns: 116px minmax(0, 1fr) auto;
    grid-template-areas:
      "tag title round"
      "tag digest round";
    gap: 8px 22px;
    padding-block: 24px;
  }

  .page-news .entry-title {
    font-size: 21px;
  }
}

@media (min-width: 960px) {
  .page-news .head-split {
    grid-template-columns: minmax(0, 1.5fr) minmax(280px, .9fr);
    align-items: start;
  }

  .page-news .asym {
    grid-template-columns: minmax(0, 1.72fr) minmax(260px, .92fr);
  }

  .page-news .hl-grid {
    grid-template-columns: minmax(0, 1.68fr) minmax(260px, .9fr);
  }

  .page-news .scope-rail,
  .page-news .method-rail {
    padding-left: clamp(18px, 2vw, 26px);
    border-left: 1px solid var(--line-dark);
  }

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

  .page-news .trend-strip {
    padding-inline: 0;
    margin-inline: var(--gut);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .rail-link::after,
  .page-news .filter-chip,
  .page-news .entry-title,
  .page-news .entry-summary {
    transition: none;
  }
}