.page-news {
  --pn-panel-bg: #FFF8E7;
  --pn-timeline-bg: #FF6B4A;
  --pn-batch-bg: #FFB6C1;
  --pn-adjust-bg: #FFE135;
  --pn-compare-bg: #FFF8E7;
  --pn-ink: #222222;
  --pn-line: #333333;
  --pn-shadow: rgba(0, 0, 0, 0.22);
}

.page-news img {
  max-width: 100%;
  height: auto;
}

/* ---------- 页面头部 ---------- */
.page-news__header-wrap {
  padding: 24px 18px 0;
}

.page-news__head {
  margin: 14px 0 20px;
}

.page-news__head .page-title {
  font-size: clamp(1.6rem, 4vw, 2.3rem);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.01em;
}

.page-news__head .page-sub {
  margin-top: 8px;
  font-size: 0.92rem;
  color: #555;
  line-height: 1.5;
}

.page-news__head-metrics {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  background: var(--bg-yellow);
  border: 2px solid var(--pn-line);
  box-shadow: 5px 5px 0 var(--pn-ink);
  padding: 14px;
  margin-bottom: 30px;
}

.page-news__head-metric {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.page-news__head-metric .metric-label {
  font-size: 0.72rem;
  font-family: var(--font-mono);
  white-space: nowrap;
}

.page-news__head-metric .metric-num {
  font-size: 1.08rem;
  font-weight: 700;
  white-space: nowrap;
}

/* ---------- 通用指标条 ---------- */
.page-news__metric-line {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 6px;
}

.page-news__metric-line .gauge-bar {
  flex: 1;
  min-width: 0;
  background: rgba(0, 0, 0, 0.14);
  border: 1px solid rgba(0, 0, 0, 0.28);
  border-radius: 20px;
  height: 10px;
  overflow: hidden;
}

.page-news__metric-line .gauge-fill {
  display: block;
  height: 8px;
  border-radius: 20px;
}

.page-news__metric-line .metric-label {
  font-size: 0.72rem;
  font-family: var(--font-mono);
  min-width: 26px;
}

.page-news__metric-line .metric-num {
  font-size: 0.9rem;
  min-width: 42px;
  text-align: right;
  font-family: var(--font-mono);
}

/* ---------- 01 版本时间轴 ---------- */
.page-news__timeline-sec {
  background: var(--pn-timeline-bg);
  padding: 34px 0;
}

.page-news__panel--timeline {
  background: var(--pn-panel-bg);
  border: 3px solid var(--pn-ink);
  box-shadow: 8px 8px 0 var(--pn-shadow);
  padding: 16px;
}

.page-news__timeline {
  position: relative;
  padding: 8px 0 6px;
}

.page-news__timeline::before {
  content: '';
  position: absolute;
  left: 19px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--pn-ink);
}

.page-news__timeline-texture {
  display: none;
}

.page-news__t-item {
  position: relative;
  padding-left: 56px;
  padding-bottom: 30px;
}

.page-news__t-item:last-child {
  padding-bottom: 0;
}

.page-news__t-dot {
  position: absolute;
  left: 0;
  top: 22px;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--white);
  border: 3px solid var(--pn-ink);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1;
}

.page-news__t-dot img {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  object-fit: cover;
}

.page-news__t-card {
  background: var(--white);
  border: 2px solid var(--pn-ink);
  box-shadow: 5px 5px 0 var(--pn-shadow);
  padding: 14px 14px 16px;
}

.page-news__t-card--current {
  background: var(--card-mint);
}

.page-news__t-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.page-news__t-ver {
  font-family: var(--font-mono);
  font-size: 1.35rem;
  font-weight: 900;
  line-height: 1;
  margin: 0;
}

.page-news__t-time {
  margin-left: auto;
  font-size: 0.72rem;
  color: var(--pn-ink);
  background: var(--bg-cream);
  border: 1px solid var(--pn-line);
  padding: 2px 7px;
  white-space: nowrap;
}

.page-news__t-details {
  margin-top: 12px;
}

.page-news__t-details summary {
  display: inline-block;
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 5px 10px;
  background: var(--bg-yellow);
  border: 1px solid var(--pn-line);
  box-shadow: 2px 2px 0 var(--pn-ink);
  user-select: none;
}

.page-news__t-fixes {
  margin: 10px 0 0;
  padding-left: 20px;
  font-size: 0.85rem;
  line-height: 1.6;
}

.page-news__t-fixes li + li {
  margin-top: 3px;
}

/* ---------- 02 批次入库记录 ---------- */
.page-news__batch-sec {
  background: var(--pn-batch-bg);
  padding: 34px 0;
}

.page-news__sec-intro {
  font-size: 0.85rem;
  font-family: var(--font-mono);
  background: var(--white);
  border: 1px solid var(--pn-line);
  display: inline-block;
  padding: 6px 10px;
  margin: 10px 0 18px;
}

.page-news__batch {
  background: var(--white);
  border: 2px solid var(--pn-ink);
  box-shadow: 4px 4px 0 var(--pn-shadow);
  margin-bottom: 14px;
}

.page-news__batch-summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  cursor: pointer;
  list-style: none;
}

.page-news__batch-summary::-webkit-details-marker {
  display: none;
}

.page-news__batch-summary::marker {
  content: '';
}

.page-news__batch[open] .page-news__batch-summary {
  background: var(--bg-yellow);
}

.page-news__batch-icon {
  display: none;
  width: 34px;
  height: 34px;
  object-fit: cover;
  border: 1px solid var(--pn-line);
  flex-shrink: 0;
}

.page-news__batch-title {
  font-size: 1.05rem;
  font-weight: 900;
  font-family: var(--font-mono);
}

.page-news__batch-count {
  font-size: 0.8rem;
  font-family: var(--font-mono);
  color: var(--pn-ink);
  background: var(--bg-cream);
  border: 1px solid var(--pn-line);
  padding: 2px 7px;
  white-space: nowrap;
}

.page-news__batch-rows {
  border-top: 2px solid var(--pn-ink);
  padding: 6px 12px;
}

.page-news__batch-rows .entry-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 4px;
  border-bottom: 1px dashed rgba(0, 0, 0, 0.3);
}

.page-news__batch-rows .entry-row:nth-child(odd) {
  background: var(--bg-cream);
}

.page-news__batch-rows .entry-row:last-child {
  border-bottom: none;
}

.page-news__row-idx {
  flex-shrink: 0;
  width: 24px;
  min-width: 24px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  background: var(--bg-yellow);
  border: 1px solid var(--pn-line);
  padding: 1px 0;
}

.page-news__row-name {
  flex: 1;
  min-width: 0;
  font-size: 0.88rem;
  font-weight: 600;
}

.page-news__batch-rows .tag {
  flex-shrink: 0;
  max-width: 46%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ---------- 03 分类栏目调整 ---------- */
.page-news__adjust-sec {
  background: var(--pn-adjust-bg);
  padding: 34px 0;
}

.page-news__adjust-table {
  background: var(--white);
  border: 2px solid var(--pn-ink);
  border-collapse: collapse;
  width: 100%;
  font-size: 0.84rem;
  box-shadow: 5px 5px 0 var(--pn-shadow);
}

.page-news__adjust-table th,
.page-news__adjust-table td {
  border: 1px solid var(--pn-line);
  padding: 8px 9px;
  text-align: left;
  vertical-align: middle;
}

.page-news__adjust-table th {
  background: var(--bg-cream);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  white-space: nowrap;
}

.page-news__adjust-table td:last-child {
  font-family: var(--font-mono);
  white-space: nowrap;
}

.page-news__adjust-table tbody tr:nth-child(even) {
  background: var(--bg-cream);
}

.page-news__adjust-table .tag,
.page-news__adjust-table .st-badge {
  white-space: nowrap;
}

/* ---------- 04 近三次迭代对比 ---------- */
.page-news__compare-sec {
  background: var(--pn-compare-bg);
  padding: 34px 0;
}

.page-news__compare-strip {
  margin: 18px 0 18px;
  border: 2px solid var(--pn-ink);
  box-shadow: 4px 4px 0 var(--pn-shadow);
  overflow: hidden;
}

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

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

.page-news__cmp-card {
  border: 2px solid var(--pn-ink);
  box-shadow: 6px 6px 0 var(--pn-shadow);
  padding: 16px;
  display: flex;
  flex-direction: column;
}

.page-news__cmp-card--v42 {
  background: var(--card-mint);
}

.page-news__cmp-card--v41 {
  background: var(--card-blue);
}

.page-news__cmp-card--v40 {
  background: var(--card-violet);
}

.page-news__cmp-version {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-weight: 900;
  margin: 0 0 8px;
}

.page-news__cmp-list {
  margin: 12px 0 0;
  padding-left: 18px;
  font-size: 0.85rem;
  line-height: 1.55;
}

.page-news__cmp-list li + li {
  margin-top: 3px;
}

/* ---------- 链接行 ---------- */
.page-news__link-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.page-news__link-row .btn {
  box-shadow: 3px 3px 0 var(--pn-ink);
}

/* ---------- 平板 ---------- */
@media (min-width: 640px) {
  .page-news__head-metrics {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-news__panel--timeline {
    padding: 24px;
  }

  .page-news__t-card {
    padding: 18px 20px 20px;
  }

  .page-news__batch-icon {
    display: block;
    width: 48px;
    height: 48px;
  }

  .page-news__batch-title {
    font-size: 1.15rem;
  }

  .page-news__adjust-table th,
  .page-news__adjust-table td {
    padding: 10px 14px;
  }
}

/* ---------- 桌面端 ---------- */
@media (min-width: 768px) {
  .page-news__compare-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 992px) {
  .page-news__timeline-texture {
    display: block;
    position: absolute;
    right: -30px;
    top: 30px;
    width: 170px;
    height: auto;
    opacity: 0.12;
    object-fit: cover;
    pointer-events: none;
    z-index: 0;
  }

  .page-news__t-item {
    padding-left: 68px;
  }

  .page-news__t-dot {
    width: 46px;
    height: 46px;
  }

  .page-news__timeline::before {
    left: 22px;
  }

  .page-news__t-dot img {
    width: 30px;
    height: 30px;
  }

  .page-news__batch-rows {
    padding: 6px 16px;
  }

  .page-news__batch-rows .entry-row {
    padding: 9px 8px;
  }

  .page-news__cmp-card {
    padding: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .page-news__t-details[open] summary,
  .page-news .page-news__batch[open] .page-news__batch-summary {
    transition: none;
  }
}