.page-news {
  --news-line: rgba(234, 244, 240, 0.10);
  --news-line-strong: rgba(61, 242, 200, 0.30);
  --news-panel-bg: rgba(16, 58, 46, 0.42);
  background:
    radial-gradient(120% 68% at 82% -8%, rgba(10, 46, 58, 0.92) 0%, rgba(6, 35, 28, 0) 62%),
    var(--c-base);
  color: var(--c-fog);
  padding-bottom: var(--step-72);
  overflow-x: hidden;
}

.page-news .news-shell {
  width: 100%;
  max-width: var(--wrap-wide);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* ---------- 面包屑 ---------- */
.page-news .news-crumb {
  padding-top: var(--step-24);
}

.page-news .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-data);
  font-size: var(--step-12);
  letter-spacing: 0.06em;
  color: var(--c-ash);
}

.page-news .breadcrumb-list li + li::before {
  content: "/";
  margin-right: 6px;
  color: rgba(143, 163, 155, 0.45);
}

.page-news .breadcrumb-list a {
  color: var(--c-ash);
  text-decoration: none;
  transition: color 160ms ease;
}

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

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  padding: var(--step-32) 0 var(--step-48);
}

.page-news .news-hero-grid {
  display: grid;
  gap: var(--step-32);
  align-items: end;
}

.page-news .news-kicker {
  margin: 0;
  font-family: var(--font-data);
  font-size: var(--step-12);
  letter-spacing: 0.22em;
  color: var(--c-accent);
}

.page-news .news-h1 {
  margin: var(--step-12) 0 var(--step-18);
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 7.4vw, 4.25rem);
  font-weight: 900;
  line-height: 1.02;
  letter-spacing: -0.02em;
  background: linear-gradient(118deg, var(--c-fog) 4%, var(--c-mint) 54%, var(--c-accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.page-news .news-lede {
  margin: 0;
  max-width: 44ch;
  font-size: var(--step-18);
  line-height: 1.75;
  color: rgba(234, 244, 240, 0.86);
}

.page-news .news-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--step-12);
  margin-top: var(--step-24);
}

.page-news .news-hero-stats {
  border: 1px solid var(--news-line);
  border-radius: var(--radius);
  padding: var(--step-24);
}

.page-news .news-stat-label {
  margin: 0;
  font-family: var(--font-data);
  font-size: var(--step-12);
  letter-spacing: 0.2em;
  color: var(--c-ash);
}

.page-news .news-stat-list {
  margin: var(--step-16) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: var(--step-16);
}

.page-news .news-stat-list li {
  display: grid;
  gap: 4px;
  padding-bottom: var(--step-14);
  border-bottom: 1px solid var(--news-line);
}

.page-news .news-stat-list li:last-child {
  padding-bottom: 0;
  border-bottom: none;
}

.page-news .news-stat-num {
  font-family: var(--font-data);
  font-variant-numeric: tabular-nums;
  font-size: var(--step-32);
  font-weight: 700;
  line-height: 1.05;
  color: var(--c-accent);
}

.page-news .news-stat-text {
  font-size: var(--step-14);
  line-height: 1.6;
  color: var(--c-ash);
}

.page-news .news-stat-note {
  margin: var(--step-24) 0 0;
  padding-top: var(--step-14);
  border-top: 1px dashed var(--news-line);
  font-size: var(--step-12);
  line-height: 1.7;
  color: rgba(143, 163, 155, 0.9);
}

/* ---------- 置顶专题 ---------- */
.page-news .news-feature {
  padding-bottom: var(--step-48);
}

.page-news .feature-media {
  position: relative;
  border: 1px solid var(--news-line);
  border-radius: var(--radius);
  overflow: hidden;
}

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

.page-news .feature-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6, 35, 28, 0.12) 0%, rgba(6, 35, 28, 0.62) 58%, rgba(6, 35, 28, 0.96) 100%);
}

.page-news .feature-body {
  position: relative;
  margin: calc(-1 * var(--step-48)) var(--step-16) 0;
  padding: var(--step-24);
  border-left: 2px solid var(--c-accent);
  border-radius: var(--radius);
  background: rgba(6, 35, 28, 0.9);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.page-news .feature-kicker {
  margin: 0;
  font-family: var(--font-data);
  font-size: var(--step-12);
  letter-spacing: 0.2em;
  color: var(--c-signal);
}

.page-news .feature-title {
  margin: var(--step-12) 0 var(--step-12);
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 5.6vw, 3rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.015em;
  color: var(--c-fog);
}

.page-news .feature-time {
  margin: 0 0 var(--step-16);
  font-family: var(--font-data);
  font-variant-numeric: tabular-nums;
  font-size: var(--step-12);
  letter-spacing: 0.08em;
  color: var(--c-ash);
}

.page-news .feature-lede {
  margin: 0;
  font-size: var(--step-16);
  line-height: 1.78;
  color: rgba(234, 244, 240, 0.84);
}

.page-news .feature-link {
  display: inline-block;
  margin-top: var(--step-18);
  font-size: var(--step-14);
  color: var(--c-accent);
  text-decoration: none;
  border-bottom: 1px solid var(--news-line-strong);
  padding-bottom: 2px;
}

.page-news .feature-link:hover,
.page-news .feature-link:focus-visible {
  color: var(--c-mint);
}

/* ---------- 栏目与条目 ---------- */
.page-news .news-columns {
  padding: var(--step-48) 0;
}

.page-news .section-kicker {
  margin: 0;
  font-family: var(--font-data);
  font-size: var(--step-12);
  letter-spacing: 0.2em;
  color: var(--c-accent);
}

.page-news .section-title {
  margin: var(--step-12) 0 var(--step-12);
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 4.6vw, 2.4rem);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--c-fog);
}

.page-news .section-lede {
  margin: 0;
  max-width: 48ch;
  font-size: var(--step-16);
  line-height: 1.75;
  color: var(--c-ash);
}

.page-news .segmented {
  display: flex;
  gap: 8px;
  margin-top: var(--step-32);
  padding-bottom: 6px;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-news .segmented::-webkit-scrollbar {
  display: none;
}

.page-news .segmented-btn {
  flex: 0 0 auto;
  padding: 10px 16px;
  border: 1px solid var(--c-line-soft);
  border-radius: 999px;
  background: var(--c-glass);
  color: var(--c-ash);
  font-family: var(--font-body);
  font-size: var(--step-14);
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  transition: color 160ms ease, border-color 160ms ease, background 160ms ease;
}

.page-news .segmented-btn:hover {
  color: var(--c-fog);
  border-color: rgba(61, 242, 200, 0.35);
}

.page-news .segmented-btn.is-active {
  background: rgba(61, 242, 200, 0.13);
  border-color: var(--c-accent);
  color: var(--c-fog);
}

.page-news .segmented-panel {
  display: none;
  margin-top: var(--step-24);
}

.page-news .segmented-panel.is-shown {
  display: block;
  animation: news-panel-in 200ms ease both;
}

@keyframes news-panel-in {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.page-news .column-intro {
  margin: 0 0 var(--step-16);
  max-width: 62ch;
  font-size: var(--step-14);
  line-height: 1.75;
  color: var(--c-ash);
}

.page-news .column-intro strong {
  display: inline-block;
  margin-right: 8px;
  color: var(--c-fog);
  font-weight: 700;
}

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

.page-news .entry {
  position: relative;
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 6px var(--step-16);
  padding: var(--step-18) 0 var(--step-18) 12px;
  border-bottom: 1px solid var(--news-line);
  background: linear-gradient(90deg, rgba(16, 58, 46, 0.22) 0%, rgba(16, 58, 46, 0) 60%);
  transition: background 200ms ease;
}

.page-news .entry::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, rgba(61, 242, 200, 0) 0%, var(--c-accent) 50%, rgba(61, 242, 200, 0) 100%);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform 260ms ease;
}

.page-news .entry:hover::before {
  transform: scaleY(1);
}

.page-news .entry:hover {
  background: linear-gradient(90deg, rgba(16, 58, 46, 0.5) 0%, rgba(16, 58, 46, 0) 70%);
}

.page-news .entry-index {
  grid-column: 1;
  grid-row: 1 / span 2;
  padding-top: 3px;
  font-family: var(--font-data);
  font-variant-numeric: tabular-nums;
  font-size: var(--step-12);
  letter-spacing: 0.06em;
  color: rgba(143, 163, 155, 0.85);
}

.page-news .entry-main {
  grid-column: 2;
  min-width: 0;
}

.page-news .entry-title {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--step-18);
  font-weight: 700;
  line-height: 1.45;
  color: var(--c-fog);
}

.page-news .entry-note {
  margin: 6px 0 0;
  font-size: var(--step-14);
  line-height: 1.7;
  color: var(--c-ash);
}

.page-news .entry-meta {
  grid-column: 2;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 8px;
}

.page-news .entry-tag {
  display: inline-block;
  padding: 5px 10px;
  border: 1px solid currentColor;
  border-radius: 999px;
  font-size: var(--step-12);
  line-height: 1;
  white-space: nowrap;
  color: var(--c-accent);
}

.page-news .entry-tag--nav,
.page-news .entry-tag--data {
  color: var(--c-signal);
}

.page-news .entry-tag--ver {
  color: var(--c-mint);
}

.page-news .entry-tag--brief {
  color: var(--c-fog);
}

.page-news .entry-time {
  font-family: var(--font-data);
  font-variant-numeric: tabular-nums;
  font-size: var(--step-12);
  letter-spacing: 0.06em;
  color: rgba(143, 163, 155, 0.9);
}

.page-news .column-figure {
  margin: var(--step-32) 0 0;
  max-width: 380px;
  padding: var(--step-16);
  border: 1px solid var(--news-line);
  border-radius: var(--radius);
  background: var(--news-panel-bg);
}

.page-news .column-figure--wide {
  max-width: 100%;
}

.page-news .column-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
  object-fit: cover;
}

.page-news .figure-caption {
  margin: var(--step-12) 0 0;
  font-size: var(--step-12);
  line-height: 1.7;
  color: var(--c-ash);
}

/* ---------- 观察方法 ---------- */
.page-news .news-method {
  padding: var(--step-48) 0;
  border-top: 1px solid var(--news-line);
  background: linear-gradient(180deg, rgba(10, 46, 58, 0.45) 0%, rgba(6, 35, 28, 0) 78%);
}

.page-news .method-grid {
  display: grid;
  gap: var(--step-32);
}

.page-news .method-lede {
  margin: var(--step-16) 0 0;
  max-width: 54ch;
  font-size: var(--step-16);
  line-height: 1.78;
  color: rgba(234, 244, 240, 0.84);
}

.page-news .method-steps {
  margin: var(--step-32) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: var(--step-18);
}

.page-news .method-step {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: var(--step-16);
  padding-top: var(--step-18);
  border-top: 1px solid var(--news-line);
}

.page-news .method-num {
  font-family: var(--font-data);
  font-variant-numeric: tabular-nums;
  font-size: var(--step-14);
  color: var(--c-accent);
  padding-top: 3px;
}

.page-news .method-step-title {
  margin: 0 0 6px;
  font-size: var(--step-16);
  font-weight: 700;
  line-height: 1.4;
  color: var(--c-fog);
}

.page-news .method-step-body p {
  margin: 0;
  font-size: var(--step-14);
  line-height: 1.75;
  color: var(--c-ash);
}

.page-news .method-figure {
  margin: 0;
}

.page-news .method-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid var(--news-line);
  object-fit: cover;
}

/* ---------- 订阅 ---------- */
.page-news .news-subscribe {
  padding: var(--step-48) 0 var(--step-32);
}

.page-news .subscribe-card {
  display: grid;
  gap: var(--step-24);
  padding: var(--step-24);
  border: 1px solid var(--news-line-strong);
  border-radius: var(--radius);
}

.page-news .subscribe-lede {
  margin: var(--step-12) 0 0;
  max-width: 50ch;
  font-size: var(--step-16);
  line-height: 1.76;
  color: rgba(234, 244, 240, 0.84);
}

.page-news .subscribe-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: var(--step-12);
}

.page-news .subscribe-list li {
  position: relative;
  padding-left: 20px;
  font-size: var(--step-14);
  line-height: 1.75;
  color: var(--c-ash);
}

.page-news .subscribe-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c-accent);
  box-shadow: 0 0 0 3px rgba(61, 242, 200, 0.14);
}

.page-news .subscribe-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--step-12);
}

.page-news .subscribe-note {
  margin: 0;
  padding-top: var(--step-16);
  border-top: 1px dashed var(--news-line);
  font-size: var(--step-12);
  line-height: 1.75;
  color: rgba(143, 163, 155, 0.92);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-news .news-hero {
    padding: var(--step-48) 0 var(--step-72);
  }

  .page-news .news-hero-grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(260px, 0.72fr);
  }

  .page-news .feature-body {
    margin: calc(-1 * var(--step-72)) var(--step-48) 0;
    padding: var(--step-32);
    max-width: 66%;
  }

  .page-news .column-figure {
    margin-top: var(--step-48);
  }

  .page-news .method-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
  }

  .page-news .subscribe-card {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    padding: var(--step-32);
  }

  .page-news .subscribe-actions,
  .page-news .subscribe-note {
    grid-column: 1 / -1;
  }
}

@media (min-width: 960px) {
  .page-news .entry {
    grid-template-columns: 42px minmax(0, 1fr) 190px;
    align-items: start;
    padding-block: var(--step-24);
  }

  .page-news .entry-index {
    grid-row: 1;
    padding-top: 5px;
  }

  .page-news .entry-main {
    grid-column: 2;
  }

  .page-news .entry-meta {
    grid-column: 3;
    grid-row: 1;
    flex-direction: column;
    align-items: flex-end;
    margin-top: 0;
    gap: 8px;
  }

  .page-news .column-figure {
    margin-left: auto;
  }

  .page-news .method-figure {
    position: sticky;
    top: calc(var(--header-h) + var(--step-24));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .segmented-panel.is-shown {
    animation: none;
  }

  .page-news .entry::before,
  .page-news .entry,
  .page-news .segmented-btn {
    transition: none;
  }

  .page-news .method-figure {
    position: static;
  }
}