.page-news {
  --news-violet-soft: #B79CFF;
  --news-cyan-soft: rgba(0, 229, 208, 0.1);
  --news-amber-soft: rgba(255, 159, 28, 0.12);
  --news-clay-soft: rgba(201, 111, 74, 0.12);
  background: var(--rock-deep);
  color: var(--bone);
}

.page-news img {
  max-width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.page-news h1,
.page-news h2,
.page-news h3 {
  font-family: var(--font-display);
  line-height: 1.22;
  letter-spacing: 0.01em;
  margin: 0;
}

.page-news .breadcrumb {
  padding: 1.5rem 0 0;
  font-size: 0.8125rem;
}

.page-news .breadcrumb ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0;
  padding: 0;
}

.page-news .breadcrumb li + li::before {
  content: "/";
  margin-right: 0.4rem;
  color: var(--rock-line);
}

.page-news .breadcrumb a {
  color: var(--mist);
  text-decoration: none;
  transition: color 0.18s var(--ease);
}

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

.page-news .breadcrumb [aria-current="page"] {
  color: var(--bone);
}

/* ---------- 首屏 ---------- */

.page-news .journal-hero {
  position: relative;
  padding: 2rem 0 3.5rem;
  background:
    radial-gradient(120% 100% at 8% 0%, rgba(10, 92, 255, 0.24), rgba(11, 14, 19, 0) 60%),
    radial-gradient(90% 80% at 92% 8%, rgba(123, 44, 255, 0.2), rgba(11, 14, 19, 0) 62%);
}

.page-news .journal-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(42, 49, 64, 0.4) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(42, 49, 64, 0.4) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: radial-gradient(120% 90% at 26% 0%, #000 18%, transparent 76%);
  mask-image: radial-gradient(120% 90% at 26% 0%, #000 18%, transparent 76%);
  pointer-events: none;
}

.page-news .journal-hero > * {
  position: relative;
  z-index: 1;
}

.page-news .journal-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2.25rem;
  align-items: start;
}

.page-news .journal-hero__lead h1 {
  margin: 1.1rem 0 0;
  font-size: clamp(2rem, 5.4vw, 3.4rem);
  font-weight: 700;
  letter-spacing: 0.02em;
  max-width: 18ch;
}

.page-news .journal-hero__lead .lede {
  margin: 1.25rem 0 0;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--mist);
  max-width: 46ch;
}

.page-news .journal-hero__facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 1rem;
  margin: 2rem 0 0;
  padding-top: 1.25rem;
  border-top: 1px solid var(--rock-line);
}

.page-news .journal-hero__facts .fact {
  display: grid;
  gap: 0.35rem;
}

.page-news .journal-hero__facts dt {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.18em;
  color: var(--mist);
}

.page-news .journal-hero__facts dd {
  margin: 0;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--bone);
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

.page-news .journal-hero__index {
  border-top: 1px solid var(--rock-line);
  border-bottom: 1px solid var(--rock-line);
  padding: 0.5rem 0;
}

.page-news .journal-hero__index-title {
  margin: 0.5rem 0 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.2em;
  color: var(--mist);
}

.page-news .journal-hero__index ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.15rem;
}

.page-news .journal-hero__index a {
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr);
  gap: 0.75rem;
  align-items: baseline;
  padding: 0.6rem 0.25rem;
  text-decoration: none;
  color: var(--bone);
  border-bottom: 1px solid rgba(42, 49, 64, 0.55);
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease), padding-left 0.18s var(--ease);
}

.page-news .journal-hero__index li:last-child a {
  border-bottom: 0;
}

.page-news .journal-hero__index a:hover,
.page-news .journal-hero__index a:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
  padding-left: 0.6rem;
}

.page-news .journal-hero__index .idx {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-news .journal-hero__index .idx-label {
  font-size: 0.9375rem;
}

.page-news .journal-hero__media {
  margin: 2.5rem 0 0;
  border: 1px solid var(--rock-line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-news .journal-hero__media img {
  width: 100%;
  aspect-ratio: 8 / 3;
  object-fit: cover;
  filter: saturate(1.05);
}

/* ---------- 章节骨架 ---------- */

.page-news .chapter {
  padding: 3.5rem 0;
  border-top: 1px solid var(--rock-line);
}

.page-news .chapter__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.6rem 1rem;
  align-items: center;
  margin-bottom: 0.5rem;
}

.page-news .chapter__num {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.16em;
  color: var(--cyan);
  background: var(--news-cyan-soft);
  border: 1px solid rgba(0, 229, 208, 0.3);
  border-radius: var(--radius);
  padding: 0.3rem 0.55rem;
}

.page-news .chapter__title {
  font-size: clamp(1.45rem, 3.2vw, 2.1rem);
  font-weight: 700;
  letter-spacing: 0.01em;
}

.page-news .chapter__state {
  grid-column: 2;
  justify-self: start;
}

.page-news .chapter__lede {
  margin: 1rem 0 0;
  max-width: 62ch;
  font-size: 0.9375rem;
  line-height: 1.78;
  color: var(--mist);
}

.page-news .chapter__lede a,
.page-news .opt-item__body a,
.page-news .tl-item__link a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 208, 0.4);
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-news .chapter__lede a:hover,
.page-news .opt-item__body a:hover,
.page-news .tl-item__link a:hover {
  color: var(--bone);
  border-color: var(--bone);
}

/* ---------- 01 更新节拍 ---------- */

.page-news .journal-beat {
  background: linear-gradient(180deg, rgba(20, 25, 34, 0.92), rgba(11, 14, 19, 0.35));
}

.page-news .beat-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2.25rem;
  margin-top: 1.75rem;
}

.page-news .beat-copy p {
  margin: 0 0 1rem;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--bone);
  max-width: 62ch;
}

.page-news .beat-copy p:last-of-type {
  color: var(--mist);
}

.page-news .beat-notes {
  list-style: none;
  margin: 1.75rem 0 0;
  padding: 1.15rem 1.15rem 1.15rem 1.25rem;
  border-left: 2px solid var(--blue);
  background: rgba(11, 14, 19, 0.6);
  display: grid;
  gap: 0.75rem;
}

.page-news .beat-notes li {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.875rem;
  color: var(--mist);
}

.page-news .beat-figure {
  margin: 0;
  border: 1px solid var(--rock-line);
  border-radius: var(--radius);
  padding: 0.75rem;
  background: rgba(11, 14, 19, 0.7);
  box-shadow: 0 0 40px rgba(10, 92, 255, 0.12);
}

.page-news .beat-figure img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.page-news .media-frame__caption {
  display: block;
  margin-top: 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  color: var(--mist);
  line-height: 1.6;
}

/* ---------- 02 版本发布：中轴时间线 ---------- */

.page-news .legend-figure {
  margin: 1.75rem 0 0;
  border: 1px solid var(--rock-line);
  border-radius: var(--radius);
  overflow: hidden;
  background: rgba(11, 14, 19, 0.6);
}

.page-news .legend-figure img {
  width: 100%;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

.page-news .legend-figure .media-frame__caption {
  padding: 0.7rem 0.9rem;
  margin-top: 0;
  border-top: 1px solid var(--rock-line);
}

.page-news .journal-timeline {
  position: relative;
  list-style: none;
  margin: 2.25rem 0 0;
  padding: 0;
  display: grid;
  gap: 1.5rem;
}

.page-news .journal-timeline::before {
  content: "";
  position: absolute;
  top: 0.5rem;
  bottom: 0.5rem;
  left: 11px;
  width: 1px;
  background: linear-gradient(180deg, rgba(255, 159, 28, 0.5), var(--rock-line) 16%, var(--rock-line) 84%, rgba(42, 49, 64, 0));
}

.page-news .tl-item {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 0 1rem;
  align-items: start;
}

.page-news .tl-item__node {
  grid-column: 1;
  grid-row: 1;
  justify-self: center;
  margin-top: 1.5rem;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--rock-deep);
  border: 1px solid var(--rock-line);
  position: relative;
  z-index: 1;
}

.page-news .tl-item--latest .tl-item__node {
  background: var(--amber);
  border-color: var(--amber);
  box-shadow: 0 0 0 4px rgba(255, 159, 28, 0.16);
}

.page-news .tl-item__card {
  grid-column: 2;
  grid-row: 1;
  background: var(--slate-panel);
  border: 1px solid var(--rock-line);
  border-radius: var(--radius);
  padding: 1.15rem 1.2rem 1.05rem;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
  transition: border-color 0.18s var(--ease), background 0.18s var(--ease), box-shadow 0.18s var(--ease);
}

.page-news .tl-item__card:hover {
  background: var(--slate-deep);
  border-color: rgba(0, 229, 208, 0.55);
  box-shadow: 0 0 0 1px rgba(0, 229, 208, 0.14);
}

.page-news .tl-item__head {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.8rem;
}

.page-news .tl-time {
  background: rgba(42, 49, 64, 0.75);
  color: var(--bone);
  border: 1px solid var(--rock-line);
  transition: background 0.18s var(--ease), border-color 0.18s var(--ease), color 0.18s var(--ease);
}

.page-news .tl-item__card:hover .tl-time {
  background: rgba(10, 92, 255, 0.2);
  border-color: rgba(10, 92, 255, 0.6);
  color: var(--bone);
}

.page-news .tl-item__title {
  font-size: 1.0625rem;
  font-weight: 600;
  line-height: 1.45;
  color: var(--bone);
}

.page-news .tl-item__meta {
  margin: 0.55rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-news .tl-item__text {
  margin: 0.85rem 0 0;
  font-size: 0.9rem;
  line-height: 1.78;
  color: var(--mist);
}

.page-news .tl-item__link {
  margin: 0.9rem 0 0;
  font-size: 0.8125rem;
}

.page-news .foldable {
  margin-top: 1rem;
  border-top: 1px solid var(--rock-line);
}

.page-news .foldable__trigger {
  cursor: pointer;
  list-style: none;
  padding: 0.7rem 0 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--cyan);
  transition: color 0.18s var(--ease);
}

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

.page-news .foldable__trigger:hover {
  color: var(--bone);
}

.page-news .foldable__body {
  padding: 0.25rem 0 0.5rem;
}

.page-news .foldable__body p {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.78;
  color: var(--mist);
}

/* ---------- 03 功能优化 ---------- */

.page-news .journal-optimize {
  background: linear-gradient(180deg, rgba(11, 14, 19, 0.4), rgba(20, 25, 34, 0.7));
}

.page-news .opt-list {
  list-style: none;
  margin: 2rem 0 0;
  padding: 0;
  border-top: 1px solid var(--rock-line);
}

.page-news .opt-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.3rem;
  padding: 1.15rem 0.25rem;
  border-bottom: 1px solid var(--rock-line);
  transition: background 0.18s var(--ease), padding-left 0.18s var(--ease);
}

.page-news .opt-item:hover {
  background: rgba(123, 44, 255, 0.07);
  padding-left: 0.75rem;
}

.page-news .opt-item__time {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  color: var(--news-violet-soft);
}

.page-news .opt-item__body h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--bone);
}

.page-news .opt-item__body p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--mist);
  max-width: 62ch;
}

/* ---------- 04 安全更新与服务公告 ---------- */

.page-news .alert-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
  margin-top: 1.9rem;
}

.page-news .alert-card {
  position: relative;
  background: var(--slate-panel);
  border: 1px solid var(--rock-line);
  border-top-width: 3px;
  border-radius: var(--radius);
  padding: 1.35rem 1.2rem 1.25rem;
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.page-news .alert-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.35);
}

.page-news .alert-card--security {
  border-top-color: var(--amber);
  background: linear-gradient(180deg, var(--news-amber-soft), var(--slate-panel) 55%);
}

.page-news .alert-card--service {
  border-top-color: var(--clay);
  background: linear-gradient(180deg, var(--news-clay-soft), var(--slate-panel) 55%);
}

.page-news .alert-card h3 {
  margin: 0.85rem 0 0.55rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--bone);
}

.page-news .alert-card p {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.78;
  color: var(--mist);
}

/* ---------- 05 反馈与纠错 ---------- */

.page-news .feedback-panel {
  position: relative;
  margin-top: 1.9rem;
  border: 1px solid var(--rock-line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-news .feedback-panel__bg {
  margin: 0;
}

.page-news .feedback-panel__bg img {
  width: 100%;
  aspect-ratio: 5 / 2;
  object-fit: cover;
  opacity: 0.5;
}

.page-news .feedback-panel__content {
  position: relative;
  padding: 1.5rem 1.2rem 1.6rem;
  margin-top: -3.5rem;
  background: linear-gradient(180deg, rgba(11, 14, 19, 0.2), rgba(11, 14, 19, 0.94) 42%);
}

.page-news .feedback-panel__content p {
  margin: 0 0 0.9rem;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--bone);
  max-width: 60ch;
}

.page-news .feedback-panel__content p:last-of-type {
  color: var(--mist);
  font-size: 0.9rem;
}

.page-news .feedback-panel__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.35rem;
}

/* ---------- 吸底反馈条 ---------- */

.page-news .feedback-dock {
  position: sticky;
  bottom: 0;
  z-index: 20;
  padding-top: 1.5rem;
  background: linear-gradient(180deg, rgba(11, 14, 19, 0), rgba(11, 14, 19, 0.94) 42%);
}

.page-news .feedback-dock__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.85rem;
  align-items: center;
  padding: 0.95rem 1rem;
  margin-bottom: 0.75rem;
  background: rgba(20, 25, 34, 0.96);
  border: 1px solid var(--rock-line);
  border-radius: var(--radius);
  box-shadow: 0 -10px 32px rgba(0, 0, 0, 0.42);
}

.page-news .feedback-dock__text {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--mist);
}

.page-news .feedback-dock__text strong {
  display: block;
  color: var(--bone);
  font-weight: 600;
  margin-bottom: 0.2rem;
}

.page-news .feedback-dock__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.page-news .feedback-dock .btn {
  white-space: nowrap;
}

/* ---------- 标签补充色 ---------- */

.page-news .tag--violet {
  color: var(--news-violet-soft);
  background: rgba(123, 44, 255, 0.16);
  border-color: rgba(123, 44, 255, 0.55);
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-news .opt-item {
    grid-template-columns: 9.5rem minmax(0, 1fr);
    gap: 0 1.75rem;
    align-items: baseline;
  }

  .page-news .alert-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.25rem;
  }

  .page-news .feedback-dock__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 1.5rem;
    padding: 0.85rem 1.15rem;
  }

  .page-news .feedback-dock__text strong {
    display: inline;
  }
}

@media (min-width: 860px) {
  .page-news .journal-hero {
    padding: 2.5rem 0 4rem;
  }

  .page-news .journal-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 3.5rem;
  }

  .page-news .beat-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 3.5rem;
    align-items: center;
  }

  .page-news .chapter {
    padding: 4.5rem 0;
  }

  .page-news .chapter__head {
    grid-template-columns: auto minmax(0, 1fr) auto;
    gap: 0.6rem 1.25rem;
  }

  .page-news .chapter__state {
    grid-column: 3;
    justify-self: end;
  }

  .page-news .journal-timeline::before {
    left: calc(50% - 0.5px);
  }

  .page-news .tl-item {
    grid-template-columns: minmax(0, 1fr) 56px minmax(0, 1fr);
    gap: 0;
  }

  .page-news .tl-item__node {
    grid-column: 2;
  }

  .page-news .tl-item:nth-child(odd) .tl-item__card {
    grid-column: 1;
    grid-row: 1;
    margin-right: 1.75rem;
  }

  .page-news .tl-item:nth-child(even) .tl-item__card {
    grid-column: 3;
    grid-row: 1;
    margin-left: 1.75rem;
  }

  .page-news .feedback-panel__content {
    padding: 2rem 2rem 2.1rem;
    margin-top: -4.5rem;
  }
}

@media (min-width: 1080px) {
  .page-news .journal-hero__media img {
    aspect-ratio: 8 / 3;
  }

  .page-news .tl-item:nth-child(odd) .tl-item__card {
    margin-right: 2.5rem;
  }

  .page-news .tl-item:nth-child(even) .tl-item__card {
    margin-left: 2.5rem;
  }
}