.page-news {
  background: var(--color-ink);
  color: var(--color-text);
  overflow-x: hidden;
}

/* ===== Hero ===== */
.page-news .news-hero {
  position: relative;
  background: linear-gradient(160deg, var(--color-ink-deep) 0%, var(--color-ink) 60%, #10265a 100%);
  padding: 72px 0 56px;
  color: var(--color-white);
  overflow: hidden;
}
.page-news .news-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(-45deg, transparent 0 28px, rgba(255, 255, 255, 0.025) 28px 29px),
    radial-gradient(circle at 88% 24%, rgba(0, 194, 168, 0.16) 0, transparent 32%),
    radial-gradient(circle at 60% 80%, rgba(255, 107, 53, 0.1) 0, transparent 30%);
  pointer-events: none;
}
.page-news .news-hero::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 148px;
  height: 148px;
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-soft) 100%);
  clip-path: polygon(0 0, 100% 0, 100% 100%);
  opacity: 0.92;
}
.page-news .news-hero .container {
  position: relative;
  z-index: 1;
}
.page-news .news-hero-grid {
  display: grid;
  gap: 32px;
  align-items: center;
}
.page-news .news-hero .breadcrumb {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 24px;
}
.page-news .news-hero .breadcrumb a {
  color: rgba(255, 255, 255, 0.78);
  text-decoration: none;
  transition: color var(--ease);
}
.page-news .news-hero .breadcrumb a:hover {
  color: var(--color-accent-soft);
}
.page-news .news-hero .breadcrumb .sep {
  margin: 0 8px;
  color: rgba(255, 255, 255, 0.32);
}
.page-news .news-title-block .eyebrow {
  color: var(--color-accent);
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.page-news .news-hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(32px, 5.4vw, 58px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 14px 0 18px;
  color: var(--color-white);
}
.page-news .news-hero-desc {
  font-size: 16px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.74);
  max-width: 600px;
  margin: 0;
}
.page-news .news-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}
.page-news .news-hero-actions .btn {
  min-height: 44px;
  padding: 0 24px;
  display: inline-flex;
  align-items: center;
}
.page-news .btn-ghost {
  border-color: rgba(255, 255, 255, 0.42);
  color: var(--color-white);
  background: transparent;
}
.page-news .btn-ghost:hover {
  border-color: var(--color-accent-soft);
  color: var(--color-accent-soft);
}
.page-news .news-hero-stat {
  display: grid;
  gap: 18px;
  padding: 24px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-panel);
  backdrop-filter: blur(8px);
}
.page-news .news-hero-stat-item {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.68);
  font-size: 14px;
}
.page-news .news-hero-stat-item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}
.page-news .news-hero-stat-item .data-pill {
  font-size: 24px;
  color: var(--color-accent);
  background: rgba(255, 107, 53, 0.14);
  border: 1px solid rgba(255, 107, 53, 0.22);
}

/* ===== 最新动态 ===== */
.page-news .news-updates {
  background: var(--color-panel);
  padding: 56px 0;
}
.page-news .news-section-head {
  display: grid;
  gap: 20px;
}
.page-news .news-section-head .eyebrow {
  color: var(--color-accent);
}
.page-news .news-section-head .section-title {
  color: var(--color-text);
  font-size: clamp(28px, 3.6vw, 40px);
  line-height: 1.2;
  margin: 6px 0 0;
}
.page-news .news-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}
.page-news .news-filter-link {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-line);
  background: var(--color-white);
  color: var(--color-muted);
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  transition: border-color var(--ease), color var(--ease), background var(--ease), box-shadow var(--ease);
}
.page-news .news-filter-link:hover,
.page-news .news-filter-link:focus-visible {
  border-color: var(--color-accent);
  color: var(--color-accent);
  box-shadow: 0 4px 12px rgba(255, 107, 53, 0.14);
}
.page-news .news-filter-link:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}
.page-news .filter-target {
  display: none;
}
.page-news #category-updates:target ~ .news-card-grid .news-card,
.page-news #category-features:target ~ .news-card-grid .news-card,
.page-news #category-platform:target ~ .news-card-grid .news-card,
.page-news #category-special:target ~ .news-card-grid .news-card {
  display: none;
}
.page-news #category-updates:target ~ .news-card-grid .news-card[data-category="updates"],
.page-news #category-features:target ~ .news-card-grid .news-card[data-category="features"],
.page-news #category-platform:target ~ .news-card-grid .news-card[data-category="platform"],
.page-news #category-special:target ~ .news-card-grid .news-card[data-category="special"] {
  display: grid;
}
.page-news .news-card-grid {
  display: grid;
  gap: 24px;
  margin-top: 32px;
}
.page-news .news-card {
  display: grid;
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-top: 3px solid var(--color-line);
  border-radius: var(--radius-panel);
  overflow: hidden;
  transition: box-shadow var(--ease), transform var(--ease);
}
.page-news .news-card[data-category="updates"] {
  border-top-color: var(--color-accent);
}
.page-news .news-card[data-category="features"] {
  border-top-color: var(--color-teal);
}
.page-news .news-card[data-category="platform"] {
  border-top-color: var(--color-ink);
}
.page-news .news-card[data-category="special"] {
  border-top-color: var(--color-accent);
}
.page-news .news-card:hover {
  box-shadow: var(--shadow-panel);
  transform: translateY(-3px);
}
.page-news .news-card-media {
  overflow: hidden;
}
.page-news .news-card-media img {
  width: 100%;
  height: 100%;
  max-height: 320px;
  object-fit: cover;
  display: block;
}
.page-news .news-card-body {
  padding: 24px;
}
.page-news .news-card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}
.page-news .news-date {
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--color-muted);
}
.page-news .news-card-body h3 {
  font-family: var(--font-serif);
  font-size: 20px;
  line-height: 1.35;
  margin: 0 0 10px;
  color: var(--color-text);
}
.page-news .news-card-body p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-muted);
  margin: 0 0 16px;
}
.page-news .news-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-accent);
  font-weight: 600;
  font-size: 14px;
  text-decoration: none;
  transition: color var(--ease);
}
.page-news .news-card-link:hover {
  color: var(--color-accent-soft);
}
.page-news .news-card-link:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ===== 专题栏目 ===== */
.page-news .news-special {
  background: var(--color-ink);
  color: var(--color-white);
  padding: 56px 0;
}
.page-news .news-special-header {
  max-width: 680px;
  margin-bottom: 36px;
}
.page-news .news-special-header .eyebrow {
  color: var(--color-teal);
}
.page-news .news-special-header .section-title {
  color: var(--color-white);
  font-size: clamp(28px, 3.6vw, 40px);
  line-height: 1.2;
  margin: 6px 0 10px;
}
.page-news .news-special-desc {
  font-size: 15px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.66);
  margin: 0;
}
.page-news .news-special-grid {
  display: grid;
  gap: 24px;
}
.page-news .special-card {
  display: grid;
  grid-template-columns: 1fr;
  background: var(--color-ink-deep);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-panel);
  overflow: hidden;
}
.page-news .special-card-image {
  overflow: hidden;
}
.page-news .special-card-image img {
  width: 100%;
  height: 100%;
  max-height: 320px;
  object-fit: cover;
  display: block;
  transition: transform 260ms ease;
}
.page-news .special-card:hover .special-card-image img {
  transform: scale(1.04);
}
.page-news .special-card-body {
  padding: 28px;
  color: rgba(255, 255, 255, 0.82);
}
.page-news .special-card-body .tag {
  background: rgba(0, 194, 168, 0.16);
  color: var(--color-teal);
  border-color: rgba(0, 194, 168, 0.24);
}
.page-news .special-card-body h3 {
  font-family: var(--font-serif);
  color: var(--color-white);
  font-size: 22px;
  line-height: 1.35;
  margin: 12px 0 12px;
}
.page-news .special-card-body p {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.64);
  margin: 0 0 16px;
}
.page-news .special-points {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}
.page-news .special-points li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.6;
}
.page-news .special-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-teal);
}
.page-news .special-card-body .btn-ghost {
  border-color: rgba(255, 255, 255, 0.42);
  color: var(--color-white);
  background: transparent;
  margin-top: 8px;
}
.page-news .special-card-body .btn-ghost:hover {
  border-color: var(--color-accent-soft);
  color: var(--color-accent-soft);
}

/* ===== 更新日志时间线 ===== */
.page-news .news-timeline-section {
  background: var(--color-panel);
  padding: 56px 0;
}
.page-news .news-timeline-head {
  display: grid;
  gap: 12px;
}
.page-news .news-timeline-head .eyebrow {
  color: var(--color-accent);
}
.page-news .news-timeline-head .section-title {
  color: var(--color-text);
  font-size: clamp(28px, 3.6vw, 40px);
  line-height: 1.2;
  margin: 6px 0 0;
}
.page-news .timeline-sub {
  color: var(--color-muted);
  font-size: 15px;
  line-height: 1.7;
  margin: 0;
  max-width: 560px;
}
.page-news .timeline-art {
  position: relative;
  border-radius: var(--radius-panel);
  overflow: hidden;
  margin-top: 32px;
  box-shadow: 0 16px 40px rgba(3, 10, 30, 0.22);
}
.page-news .timeline-art img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
}
.page-news .timeline-art-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: linear-gradient(180deg, rgba(8, 17, 34, 0.62) 0%, rgba(8, 17, 34, 0.28) 100%);
  color: var(--color-white);
  text-align: center;
}
.page-news .timeline-art-overlay .data-pill {
  background: rgba(255, 107, 53, 0.2);
  border: 1px solid rgba(255, 107, 53, 0.32);
  color: var(--color-accent);
  font-size: 14px;
}
.page-news .timeline-art-overlay p {
  margin: 0;
  font-size: 15px;
  color: rgba(255, 255, 255, 0.84);
}
.page-news .timeline {
  list-style: none;
  margin: 40px 0 0;
  padding: 0;
  position: relative;
}
.page-news .timeline::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--color-accent) 0%, rgba(0, 194, 168, 0.35) 100%);
}
.page-news .timeline-item {
  position: relative;
  padding-left: 48px;
  padding-bottom: 32px;
}
.page-news .timeline-item:last-child {
  padding-bottom: 0;
}
.page-news .timeline-marker {
  position: absolute;
  left: 0;
  top: 4px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-white);
  border: 2px solid var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-data);
  font-size: 13px;
  font-weight: 600;
  color: var(--color-accent);
  z-index: 1;
}
.page-news .timeline-item.is-major .timeline-marker {
  background: var(--color-accent);
  color: var(--color-white);
  box-shadow: 0 0 0 4px rgba(255, 107, 53, 0.22);
}
.page-news .timeline-card {
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-panel);
  padding: 20px;
  transition: box-shadow var(--ease), transform var(--ease);
}
.page-news .timeline-card:hover,
.page-news .timeline-card:focus-within {
  box-shadow: var(--shadow-panel);
  transform: translateY(-2px);
}
.page-news .timeline-card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}
.page-news .timeline-version {
  font-family: var(--font-data);
  font-weight: 600;
  font-size: 14px;
  color: var(--color-accent);
}
.page-news .timeline-label {
  font-size: 12px;
  color: var(--color-muted);
  background: var(--color-panel);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-line);
  white-space: nowrap;
}
.page-news .timeline-card h3 {
  font-family: var(--font-serif);
  font-size: 18px;
  line-height: 1.35;
  margin: 4px 0 8px;
  color: var(--color-text);
}
.page-news .timeline-card p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-muted);
  margin: 0;
}
.page-news .timeline-links {
  margin-top: 14px;
}
.page-news .timeline-links a {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--ease);
}
.page-news .timeline-links a:hover {
  color: var(--color-accent-soft);
}
.page-news .timeline-links a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ===== 桌面端增强 ===== */
@media (min-width: 768px) {
  .page-news .news-hero {
    padding: 88px 0 72px;
  }
  .page-news .news-hero-grid {
    grid-template-columns: 1.55fr 1fr;
    gap: 48px;
  }
  .page-news .news-updates,
  .page-news .news-special,
  .page-news .news-timeline-section {
    padding: 72px 0;
  }
  .page-news .news-section-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
  }
  .page-news .news-filter {
    justify-content: flex-end;
    max-width: 520px;
  }
  .page-news .news-card-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
    margin-top: 40px;
  }
  .page-news .news-card-featured {
    grid-column: 1 / -1;
    grid-template-columns: 1.12fr 1fr;
  }
  .page-news .news-card-featured .news-card-media {
    min-height: 340px;
  }
  .page-news .news-card-media img {
    max-height: 420px;
  }
  .page-news .news-card-featured .news-card-media img {
    max-height: none;
    height: 100%;
  }
  .page-news .news-card-body {
    padding: 28px;
  }
  .page-news .news-card-body h3 {
    font-size: 22px;
  }
  .page-news .special-card {
    grid-template-columns: 1fr 1fr;
  }
  .page-news .special-card-image img {
    max-height: none;
    min-height: 320px;
  }
  .page-news .special-card-body {
    padding: 36px;
  }
  .page-news .special-card-body h3 {
    font-size: 26px;
  }
  .page-news .timeline-art img {
    height: 300px;
  }
  .page-news .timeline::before {
    left: 50%;
    transform: none;
  }
  .page-news .timeline-item {
    width: 50%;
    padding: 0 44px 48px 0;
  }
  .page-news .timeline-item:nth-child(even) {
    margin-left: 50%;
    padding: 0 0 48px 44px;
  }
  .page-news .timeline-marker {
    left: auto;
    right: -16px;
    top: 6px;
  }
  .page-news .timeline-item:nth-child(even) .timeline-marker {
    left: -16px;
    right: auto;
  }
  .page-news .timeline-card {
    padding: 24px;
  }
}

@media (min-width: 1024px) {
  .page-news .news-hero h1 {
    font-size: 54px;
  }
  .page-news .news-hero-stat {
    padding: 28px;
  }
  .page-news .news-card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-news .special-card-body {
    padding: 40px;
  }
}