.page-news {
  background: var(--ink);
  color: var(--mist);
  padding-bottom: clamp(48px, 7vw, 96px);
}

.page-news .section {
  margin-top: clamp(28px, 4.5vw, 60px);
}

.page-news .eyebrow {
  color: var(--slate);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  padding-top: clamp(18px, 3vw, 34px);
  padding-bottom: clamp(24px, 4vw, 48px);
}

.page-news .news-hero-grid {
  display: grid;
  gap: clamp(18px, 3vw, 44px);
}

@media (min-width: 900px) {
  .page-news .news-hero-grid {
    grid-template-columns: 7fr 5fr;
    align-items: end;
  }
}

.page-news .news-hero-lead {
  border-left: 2px solid var(--orange);
  padding-left: clamp(14px, 2vw, 24px);
}

.page-news .news-hero h1 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(46px, 9vw, 118px);
  font-weight: 800;
  line-height: 0.92;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-news .news-lede {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.78;
  color: var(--mist);
  max-width: 46ch;
}

.page-news .hero-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: clamp(18px, 3vw, 26px) 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--grid);
}

.page-news .hero-meta dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--slate);
}

.page-news .hero-meta dd {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(20px, 2.6vw, 30px);
  line-height: 1;
  color: var(--orange-soft);
}

.page-news .hero-meta dd small {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--slate);
  margin-left: 3px;
}

/* ---------- 置顶条目 ---------- */
.page-news .pinned-block {
  margin-top: clamp(10px, 2vw, 22px);
}

.page-news .pinned {
  position: relative;
  display: block;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  background: var(--panel);
  min-height: clamp(300px, 36vw, 440px);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 34px), calc(100% - 34px) 100%, 0 100%);
  transition: background-color var(--dur) var(--ease);
}

.page-news .pinned-media {
  position: absolute;
  inset: 0;
  display: block;
}

.page-news .pinned-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.45;
}

.page-news .pinned::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(102deg, rgba(7, 22, 19, 0.95) 0%, rgba(9, 30, 25, 0.82) 52%, rgba(23, 63, 53, 0.42) 100%);
  pointer-events: none;
}

.page-news .pinned-body {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(22px, 4.5vw, 56px);
  max-width: 780px;
}

.page-news .pinned .tag {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  padding: 4px 10px;
  color: var(--orange);
  background: rgba(255, 107, 26, 0.14);
  border: 1px solid rgba(255, 107, 26, 0.42);
}

.page-news .pinned-body h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(26px, 4.4vw, 52px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-news .pinned-text {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.8;
  color: var(--mist);
  max-width: 54ch;
}

.page-news .pinned-more {
  margin-top: 6px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--orange);
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-news .pinned:hover .pinned-more,
.page-news .pinned:focus-visible .pinned-more {
  color: var(--orange-soft);
  border-bottom-color: var(--orange);
}

/* ---------- 列表区 ---------- */
.page-news .log-head {
  margin-bottom: clamp(18px, 3vw, 30px);
}

.page-news .log-head-note {
  margin: 10px 0 0;
  max-width: 58ch;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.75;
  color: var(--slate);
}

.page-news .log-layout {
  display: grid;
  gap: clamp(20px, 3vw, 36px);
}

@media (min-width: 1000px) {
  .page-news .log-layout {
    grid-template-columns: 280px minmax(0, 1fr);
    align-items: start;
  }

  .page-news .log-legend {
    position: sticky;
    top: calc(var(--header-h) + 18px);
  }
}

.page-news .legend-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--grid);
}

.page-news .legend-item {
  --lg: var(--slate);
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr) auto;
  grid-template-areas:
    "mark name count"
    "mark desc desc";
  gap: 2px 10px;
  padding: 12px 6px 12px 0;
  border-bottom: 1px solid var(--grid);
  transition: transform var(--dur) var(--ease);
}

.page-news .legend-item--version {
  --lg: var(--orange);
}

.page-news .legend-item--topic {
  --lg: var(--mint);
}

.page-news .legend-item--data {
  --lg: var(--slate);
}

.page-news .legend-item--notice {
  --lg: var(--orange-soft);
}

.page-news .legend-mark {
  grid-area: mark;
  align-self: start;
  margin-top: 8px;
  position: relative;
  display: block;
  width: 22px;
  height: 2px;
  background: var(--lg);
}

.page-news .legend-mark::after {
  content: "";
  position: absolute;
  right: 0;
  top: -3px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--lg);
  opacity: 0.9;
}

.page-news .legend-name {
  grid-area: name;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  color: var(--mist);
  transition: color var(--dur) var(--ease);
}

.page-news .legend-count {
  grid-area: count;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  color: var(--lg);
}

.page-news .legend-desc {
  grid-area: desc;
  font-family: var(--font-body);
  font-size: 12px;
  line-height: 1.6;
  color: var(--slate);
}

.page-news .legend-item:hover,
.page-news .legend-item:focus-within {
  transform: translateX(3px);
}

.page-news .legend-item:hover .legend-name {
  color: var(--paper);
}

.page-news .legend-figure {
  margin: 18px 0 0;
  border: 1px solid var(--grid);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
}

.page-news .legend-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  filter: saturate(0.85) brightness(0.92);
}

.page-news .log-stream {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--grid);
}

.page-news .log-item {
  position: relative;
  border-bottom: 1px solid var(--grid);
}

.page-news .log-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--orange);
  transform: scaleY(0);
  transform-origin: center top;
  transition: transform var(--dur) var(--ease);
}

.page-news .log-item:hover::before,
.page-news .log-item:focus-within::before {
  transform: scaleY(1);
}

.page-news .log-item > summary {
  list-style: none;
  cursor: pointer;
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 12px;
  padding: 15px 34px 15px 14px;
  transition: background-color var(--dur) var(--ease);
}

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

.page-news .log-item > summary:hover {
  background: rgba(23, 63, 53, 0.36);
}

.page-news .log-item > summary::after {
  content: "+";
  position: absolute;
  right: 10px;
  top: 14px;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1;
  color: var(--slate);
  transition: color var(--dur) var(--ease);
}

.page-news .log-item[open] > summary::after {
  content: "−";
  color: var(--orange);
}

.page-news .log-code {
  flex: 0 0 54px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--slate);
}

.page-news .log-item--version .log-code {
  color: var(--orange);
}

.page-news .log-item--topic .log-code {
  color: var(--mint);
}

.page-news .log-item--notice .log-code {
  color: var(--orange-soft);
}

.page-news .log-title {
  flex: 1 1 100%;
  font-family: var(--font-display);
  font-size: clamp(15px, 1.35vw, 17px);
  font-weight: 600;
  line-height: 1.45;
  color: var(--mist);
  transition: color var(--dur) var(--ease);
}

.page-news .log-item > summary:hover .log-title {
  color: var(--paper);
}

.page-news .log-time {
  flex: 0 0 auto;
  margin-left: auto;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--slate);
  white-space: nowrap;
}

@media (min-width: 820px) {
  .page-news .log-title {
    flex: 1 1 0;
    min-width: 0;
  }
}

.page-news .log-detail {
  margin: 0;
  padding: 0 20px 16px 14px;
  max-width: 68ch;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.78;
  color: var(--slate);
}

@media (min-width: 820px) {
  .page-news .log-detail {
    padding-left: 68px;
    padding-right: 34px;
  }
}

.page-news .log-figure {
  margin: 0;
  padding: 16px 0 18px;
  border-bottom: 1px solid var(--grid);
}

.page-news .log-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  border: 1px solid var(--grid);
}

.page-news .log-figure figcaption {
  margin-top: 10px;
  font-family: var(--font-body);
  font-size: 12px;
  line-height: 1.65;
  color: var(--slate);
  letter-spacing: 0.02em;
}

/* ---------- 专题系列 ---------- */
.page-news .series-head {
  display: grid;
  gap: clamp(18px, 3vw, 32px);
  margin-bottom: clamp(18px, 3vw, 28px);
}

@media (min-width: 900px) {
  .page-news .series-head {
    grid-template-columns: 5fr 7fr;
    align-items: end;
  }
}

.page-news .series-head p {
  margin: 12px 0 0;
  max-width: 54ch;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.78;
  color: var(--slate);
}

.page-news .series-figure {
  margin: 0;
  border: 1px solid var(--grid);
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 0 100%);
}

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

.page-news .series-band {
  display: grid;
  gap: 14px;
}

@media (min-width: 800px) {
  .page-news .series-band {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }
}

.page-news .series-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(18px, 2.4vw, 26px);
  background: var(--panel);
  border: 1px solid var(--grid);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
  transition: background-color var(--dur) var(--ease);
}

.page-news .series-card:hover {
  background: var(--pine);
}

.page-news .series-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--orange);
}

.page-news .series-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(18px, 1.9vw, 22px);
  font-weight: 700;
  line-height: 1.32;
  color: var(--paper);
}

.page-news .series-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-news .series-list li {
  position: relative;
  padding-left: 16px;
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

.page-news .series-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 1px;
  background: var(--mint);
}

.page-news .series-link {
  margin-top: auto;
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--orange-soft);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid var(--brown);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-news .series-link:hover,
.page-news .series-link:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

/* ---------- 订阅引导 ---------- */
.page-news .subscribe-band {
  display: grid;
  gap: clamp(18px, 3vw, 30px);
  padding: clamp(22px, 4vw, 44px);
  border: 1px solid var(--grid);
  background: linear-gradient(120deg, var(--pine) 0%, var(--panel) 62%, var(--brown) 140%);
  clip-path: polygon(0 0, calc(100% - 26px) 0, 100% 26px, 100% 100%, 26px 100%, 0 calc(100% - 26px));
}

@media (min-width: 860px) {
  .page-news .subscribe-band {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

.page-news .subscribe-band h2 {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-size: clamp(24px, 3.2vw, 38px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-news .subscribe-band p {
  margin: 12px 0 0;
  max-width: 62ch;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-news .subscribe-band p a {
  color: var(--orange-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--brown);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-news .subscribe-band p a:hover,
.page-news .subscribe-band p a:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

.page-news .subscribe-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-news .subscribe-actions .btn {
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
}

@media (prefers-reduced-motion: reduce) {
  .page-news .legend-item:hover,
  .page-news .legend-item:focus-within {
    transform: none;
  }

  .page-news .log-item::before {
    transition: none;
  }
}