.page-news {
  --news-dark: #212121;
  --news-blue: #2196F3;
  --news-blue-ink: #0D47A1;
  --news-purple: #9C27B0;
  --news-cyan: #00BCD4;
  --news-pink: #E91E63;
  --news-orange: #FF9800;
  --news-green: #4CAF50;
  --news-gray: #9E9E9E;
  --news-red: #F44336;
  --news-yellow: #FFEB3B;
  padding-bottom: 48px;
}

/* 面包屑 */
.page-news .breadcrumbs {
  margin: 14px 0 12px;
}

/* ===== Hero ===== */
.page-news__hero {
  display: flex;
  flex-direction: column;
  gap: 20px;
  background: var(--color-panel-a);
  border: 2px solid var(--news-dark);
  border-radius: var(--radius-lg);
  box-shadow: 6px 6px 0 rgba(33, 33, 33, 0.16);
  padding: 24px 20px;
  margin-bottom: 36px;
}

.page-news__kicker {
  font-family: var(--font-index);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--color-accent-red-ink);
  text-transform: uppercase;
  margin: 0 0 6px;
}

.page-news__hero-title {
  font-family: var(--font-heading);
  font-size: 2rem;
  line-height: 1.15;
  margin: 0 0 8px;
  letter-spacing: -0.02em;
}

.page-news__hero-lead {
  font-size: 0.95rem;
  line-height: 1.6;
  color: #333;
  margin: 0;
  max-width: 34em;
}

.page-news__hero-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-top: 8px;
}

.page-news__hero-stats .stat-cell {
  background: var(--color-card);
  border: 2px solid var(--news-dark);
  border-radius: var(--radius-sm);
  box-shadow: 3px 3px 0 rgba(33, 33, 33, 0.14);
  padding: 10px;
  text-align: center;
}

.page-news__hero-stats .stat-num {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  color: var(--color-accent-red);
  display: block;
  line-height: 1.1;
}

.page-news__hero-stats .stat-label {
  font-size: 0.75rem;
  color: #555;
  display: block;
  margin-top: 2px;
}

/* ===== 双栏主区 ===== */
.page-news__dual {
  display: grid;
  gap: 40px;
  margin-bottom: 48px;
}

.page-news__section-tag {
  font-family: var(--font-index);
  font-size: 11px;
  background: var(--color-accent-yellow);
  border: 2px solid var(--news-dark);
  border-radius: var(--radius-sm);
  padding: 2px 8px;
  margin-left: 8px;
  white-space: nowrap;
  align-self: center;
}

.page-news__section-note {
  font-family: var(--font-index);
  font-size: 0.75rem;
  color: #666;
  margin: -6px 0 18px;
  padding-left: 4px;
}

/* ===== 版本调优 ===== */
.page-news__version-rail {
  position: relative;
  margin-left: 18px;
  padding-left: 24px;
  margin-bottom: 16px;
}

.page-news__version-rail::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  bottom: 12px;
  width: 3px;
  background: var(--news-dark);
  border-radius: 2px;
}

.page-news__version-card {
  position: relative;
  background: var(--color-card);
  border: 2px solid var(--news-dark);
  border-left-width: 6px;
  border-radius: var(--radius-md);
  box-shadow: 4px 4px 0 rgba(33, 33, 33, 0.14);
  padding: 18px 16px;
  margin-bottom: 24px;
  transition: box-shadow 0.15s ease, transform 0.15s ease;
}

.page-news__version-card::before {
  content: "";
  position: absolute;
  left: -31px;
  top: 26px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--news-dark);
  z-index: 1;
}

.page-news__version-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: 7px 7px 0 rgba(33, 33, 33, 0.2);
}

.page-news__version-card--latest {
  border-left-color: var(--news-green);
}

.page-news__version-card--latest::before {
  background: var(--news-green);
}

.page-news__version-card--hot {
  border-left-color: var(--news-orange);
}

.page-news__version-card--hot::before {
  background: var(--news-orange);
}

.page-news__version-card--old {
  border-left-color: var(--news-gray);
}

.page-news__version-card--old::before {
  background: var(--news-gray);
}

.page-news__version-top {
  display: flex;
  justify-content: flex-end;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 10px;
}

.page-news__version-top .status-badge {
  margin-left: auto;
}

.page-news__version-img {
  width: 60px;
  height: 60px;
  border: 2px solid var(--news-dark);
  border-radius: var(--radius-sm);
  object-fit: cover;
  flex-shrink: 0;
  margin-right: auto;
}

.page-news__version-num {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  margin: 0 0 2px;
  line-height: 1.1;
}

.page-news__version-meta {
  font-family: var(--font-index);
  font-size: 0.75rem;
  color: #666;
  margin: 0 0 12px;
}

.page-news__version-changes {
  margin: 0;
  padding-left: 18px;
  font-size: 0.88rem;
  line-height: 1.55;
}

.page-news__version-changes li {
  margin-bottom: 4px;
}

.page-news__version-changes li::marker {
  color: var(--news-blue);
}

.page-news__version > .btn {
  margin-left: 20px;
}

/* ===== 入库批次 ===== */
.page-news__batch-feed {
  position: relative;
  margin-left: 18px;
  padding-left: 24px;
  margin-bottom: 16px;
}

.page-news__batch-feed::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  bottom: 12px;
  width: 3px;
  background: var(--news-dark);
  border-radius: 2px;
}

.page-news__batch-card {
  position: relative;
  border: 2px solid var(--news-dark);
  border-radius: var(--radius-lg);
  box-shadow: 5px 5px 0 rgba(33, 33, 33, 0.15);
  padding: 18px 16px 14px;
  margin-bottom: 28px;
  overflow: hidden;
}

.page-news__batch-card::before {
  content: "";
  position: absolute;
  left: -31px;
  top: 26px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--news-dark);
  z-index: 1;
}

.page-news__batch-card--current {
  background: var(--color-panel-a);
}

.page-news__batch-card--current::before {
  background: var(--news-green);
}

.page-news__batch-card--last {
  background: var(--color-panel-b);
}

.page-news__batch-card--last::before {
  background: var(--news-orange);
}

.page-news__batch-card--earlier {
  background: var(--color-panel-c);
}

.page-news__batch-card--earlier::before {
  background: var(--news-gray);
}

.page-news__batch-img {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 80px;
  height: 80px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  opacity: 0.18;
  pointer-events: none;
}

.page-news__batch-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  position: relative;
  z-index: 1;
  margin-bottom: 6px;
}

.page-news__batch-num {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  margin: 0;
}

.page-news__batch-meta {
  position: relative;
  z-index: 1;
  font-family: var(--font-index);
  font-size: 0.75rem;
  color: #555;
  background: rgba(255, 255, 255, 0.5);
  display: inline-block;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  margin: 0 0 12px;
}

.page-news__batch-entries {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
  position: relative;
  z-index: 1;
}

.page-news__entry {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  line-height: 1.3;
  background: rgba(255, 255, 255, 0.6);
  border-radius: var(--radius-sm);
  padding: 4px 8px;
  transition: background 0.15s ease;
}

.page-news__entry:hover {
  background: rgba(255, 255, 255, 0.92);
}

.page-news__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
  border: 1px solid rgba(33, 33, 33, 0.4);
}

.page-news__dot--basic { background: var(--news-blue); }
.page-news__dot--vocab { background: var(--news-purple); }
.page-news__dot--listen { background: var(--news-orange); }
.page-news__dot--read { background: var(--news-green); }
.page-news__dot--exam { background: var(--news-red); }
.page-news__dot--culture { background: var(--news-cyan); }
.page-news__dot--mobile { background: var(--news-pink); }
.page-news__dot--tools { background: var(--news-yellow); }

.page-news__entry-name {
  flex: 1;
  color: var(--news-dark);
  font-weight: 500;
}

.page-news__entry-cat {
  font-family: var(--font-index);
  font-size: 0.7rem;
  color: #666;
  background: rgba(33, 33, 33, 0.06);
  padding: 1px 6px;
  border-radius: 3px;
  white-space: nowrap;
}

.page-news__batch > .btn {
  margin-left: 20px;
}

/* ===== 分类迁移 ===== */
.page-news__migration {
  background: var(--color-panel-b);
  border-top: 4px solid var(--news-dark);
  border-bottom: 4px solid var(--news-dark);
  padding: 36px 0;
}

.page-news__migration .section-head {
  margin-bottom: 14px;
}

.page-news__mig-lead-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.page-news__mig-img {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  border: 2px solid var(--news-dark);
  flex-shrink: 0;
}

.page-news__migration-lead {
  font-size: 0.9rem;
  margin: 0;
  max-width: 38em;
}

.page-news__mig-map {
  background: var(--color-card);
  border: 2px solid var(--news-dark);
  border-radius: var(--radius-lg);
  box-shadow: 5px 5px 0 rgba(33, 33, 33, 0.15);
  padding: 18px;
}

.page-news__mig-groups {
  display: grid;
  gap: 16px;
}

.page-news__mig-group {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  align-items: center;
  justify-items: center;
  border: 2px dashed rgba(33, 33, 33, 0.35);
  border-radius: var(--radius-md);
  padding: 14px 12px;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.page-news__mig-group:hover,
.page-news__mig-group:focus {
  background: var(--color-primary-tint);
  border-style: solid;
  border-color: var(--news-blue);
  outline: none;
}

.page-news__mig-olds {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}

.page-news__mig-chip {
  font-size: 0.82rem;
  border: 2px solid var(--news-dark);
  border-radius: var(--radius-sm);
  padding: 4px 10px;
  background: var(--color-card);
}

.page-news__mig-chip--old {
  background: var(--color-panel-c);
}

.page-news__mig-chip--new {
  background: var(--color-accent-yellow);
  font-weight: 700;
}

.page-news__mig-arrow {
  width: 32px;
  height: 20px;
  color: var(--news-blue);
  transform: rotate(90deg);
  flex-shrink: 0;
}

.page-news__mig-unchanged {
  margin-top: 16px;
  padding: 14px 12px;
  border: 2px solid rgba(33, 33, 33, 0.25);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.5);
}

.page-news__mig-unchanged-label {
  display: block;
  font-family: var(--font-index);
  font-size: 0.75rem;
  color: #666;
  margin-bottom: 10px;
}

.page-news__mig-unchanged-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}

/* ===== 终端适配 ===== */
.page-news__terminal {
  background: var(--color-panel-c);
  border-bottom: 4px solid var(--news-dark);
  padding: 36px 0;
}

.page-news__terminal .section-head {
  margin-bottom: 20px;
}

.page-news__terminal-body {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  align-items: flex-start;
}

.page-news__terminal-img {
  width: 150px;
  height: 150px;
  border: 2px solid var(--news-dark);
  border-radius: var(--radius-md);
  box-shadow: 4px 4px 0 rgba(33, 33, 33, 0.15);
  object-fit: cover;
  flex-shrink: 0;
}

.page-news__terminal-grid {
  display: grid;
  gap: 12px;
  flex: 1;
  min-width: 240px;
}

.page-news__terminal-item {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--color-card);
  border: 2px solid var(--news-dark);
  border-radius: var(--radius-md);
  box-shadow: 3px 3px 0 rgba(33, 33, 33, 0.12);
  padding: 10px 12px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.page-news__terminal-item:hover {
  transform: translate(-1px, -1px);
  box-shadow: 5px 5px 0 rgba(33, 33, 33, 0.18);
}

.page-news__terminal-icon {
  width: 26px;
  height: 26px;
  flex-shrink: 0;
  color: var(--news-blue-ink);
}

.page-news__terminal-text {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 1px;
  min-width: 0;
}

.page-news__terminal-name {
  font-size: 0.9rem;
  font-weight: 700;
  line-height: 1.3;
}

.page-news__terminal-detail {
  font-family: var(--font-index);
  font-size: 0.72rem;
  color: #666;
}

.page-news__terminal-foot {
  margin-top: 24px;
  display: flex;
  justify-content: center;
}

/* ===== 键盘焦点 ===== */
.page-news a:focus-visible {
  outline: 3px solid var(--news-blue);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* ===== Desktop ≥900px ===== */
@media (min-width: 900px) {
  .page-news__hero {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
    padding: 32px 36px;
  }

  .page-news__hero-copy {
    flex: 1;
    max-width: 560px;
  }

  .page-news__hero-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
    min-width: 280px;
    margin-top: 0;
  }

  .page-news__hero-stats .stat-cell {
    padding: 14px;
  }

  .page-news__hero-stats .stat-num {
    font-size: 1.8rem;
  }

  .page-news__dual {
    grid-template-columns: 5fr 7fr;
    gap: 44px;
    align-items: start;
  }

  .page-news__mig-groups {
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
  }

  .page-news__mig-group {
    grid-template-columns: 1fr auto 1fr;
    justify-items: center;
  }

  .page-news__mig-arrow {
    transform: none;
    width: 48px;
    height: 16px;
  }

  .page-news__terminal-body {
    flex-wrap: nowrap;
    gap: 28px;
  }

  .page-news__terminal-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }

  .page-news__terminal-item:last-child {
    grid-column: 1 / -1;
  }

  .page-news__terminal-foot {
    justify-content: flex-end;
  }
}