.page-news {
  --news-pad: 20px;
}

/* ===== 首屏概览 ===== */
.page-news .news-hero {
  padding: 18px 0 34px;
}

.page-news .news-hero__kicker {
  color: var(--color-cinnabar);
  letter-spacing: .12em;
  font-size: 13px;
}

.page-news .news-hero__title {
  font-family: var(--font-serif);
  font-size: clamp(32px, 5vw, 56px);
  line-height: 1.12;
  margin: 10px 0 14px;
  color: var(--color-ink);
  max-width: 17em;
}

.page-news .news-hero__lede {
  font-size: 16px;
  line-height: 1.75;
  color: var(--color-muted);
  max-width: 62ch;
  margin: 0 0 18px;
}

.page-news .news-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-news .news-hero__board {
  background: var(--color-brown);
  border-left: 6px solid var(--color-cinnabar);
  color: var(--color-paper-light);
  padding: 20px;
  margin-top: 22px;
}

.page-news .news-hero__dateline {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--color-orange);
  margin-bottom: 14px;
}

.page-news .news-hero__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 16px;
}

.page-news .news-hero__stat {
  border-left: 2px solid rgba(var(--color-paper-light-rgb), .25);
  padding-left: 10px;
}

.page-news .news-hero__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 34px;
  line-height: 1;
  color: var(--color-paper-light);
}

.page-news .news-hero__label {
  font-size: 12px;
  color: rgba(var(--color-paper-light-rgb), .72);
}

.page-news .news-hero__cycle {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  flex-wrap: wrap;
}

/* ===== 分区公共标题 ===== */
.page-news .section-heading h2 {
  font-family: var(--font-serif);
  font-size: 31px;
  line-height: 1.15;
  margin: 4px 0 6px;
  color: var(--color-ink);
}

.page-news .section-sub {
  color: var(--color-muted);
  font-size: 15px;
  max-width: 520px;
  margin: 0;
}

/* ===== 功能版本历史 ===== */
.page-news .news-versions {
  background: var(--color-brown);
  color: var(--color-paper-light);
  padding: 40px 0;
}

.page-news .news-versions__head {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: flex-start;
  justify-content: space-between;
}

.page-news .news-versions .section-heading h2 {
  color: var(--color-paper-light);
}

.page-news .news-versions .section-sub {
  color: rgba(var(--color-paper-light-rgb), .72);
}

.page-news .news-versions__figwrap {
  display: none;
}

.page-news .news-versions__fig {
  max-width: 200px;
  height: auto;
  opacity: .75;
  border: 1px solid rgba(var(--color-paper-light-rgb), .2);
}

.page-news .news-versions__tablewrap {
  background: var(--color-paper);
  border-radius: 2px;
  margin-top: 22px;
  overflow-x: auto;
}

.page-news .news-versions__table {
  width: 100%;
  border-collapse: collapse;
  min-width: 560px;
}

.page-news .news-versions__table th {
  background: var(--color-brown);
  color: var(--color-paper-light);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  padding: 10px 14px;
  text-align: left;
  white-space: nowrap;
}

.page-news .news-versions__table td {
  padding: 13px 14px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-ink);
  font-size: 15px;
}

.page-news .news-versions__table tbody tr:hover td {
  background: var(--color-paper-hover);
}

.page-news .news-versions__ver {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--color-cinnabar);
}

.page-news .news-versions__current td {
  background: rgba(var(--color-orange-rgb), .2);
}

.page-news .news-versions__current .news-versions__ver {
  color: var(--color-brown);
}

.page-news .news-versions__foot {
  margin: 14px 0 0;
  display: flex;
  gap: 12px;
  font-size: 14px;
}

.page-news .news-versions__foot a {
  color: var(--color-orange);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ===== 最近批次时间轴 ===== */
.page-news .news-recent {
  padding: 44px 0 8px;
}

.page-news .news-batch-layout {
  margin-top: 26px;
}

.page-news .news-batch-rail {
  display: none;
}

.page-news .news-batch-rail__img {
  max-width: 100%;
  height: auto;
  border: 1px solid var(--color-border);
}

.page-news .news-batch-timeline {
  position: relative;
  padding-left: 36px;
}

.page-news .news-batch-timeline::before {
  content: '';
  position: absolute;
  left: 12px;
  top: 26px;
  bottom: 20px;
  width: 2px;
  background: repeating-linear-gradient(180deg, var(--color-cinnabar) 0 4px, transparent 4px 8px);
  opacity: .6;
}

.page-news .news-batch-item {
  position: relative;
  margin-bottom: 20px;
}

.page-news .news-batch-item::before {
  content: '';
  position: absolute;
  left: -33px;
  top: 26px;
  width: 14px;
  height: 14px;
  background: var(--color-cinnabar);
  border: 3px solid var(--color-cream-bg);
  transform: rotate(45deg);
  box-shadow: 0 0 0 1px var(--color-border);
  z-index: 2;
}

.page-news .news-batch-trigger {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  background: var(--color-paper);
  border: 1px solid var(--color-border);
  border-left: 5px solid var(--color-brown);
  padding: 14px;
  text-align: left;
  cursor: pointer;
  font-family: var(--font-sans);
  transition: background .2s, transform .2s, box-shadow .2s;
}

.page-news .news-batch-trigger:hover {
  background: var(--color-paper-hover);
  transform: translateY(-2px);
  box-shadow: 2px 3px 0 rgba(var(--color-brown-rgb), .12);
}

.page-news .news-batch-trigger__num {
  font-family: var(--font-mono);
  font-size: 30px;
  font-weight: 700;
  color: var(--color-cinnabar);
  min-width: 46px;
  text-align: center;
  line-height: 1;
}

.page-news .news-batch-trigger__main {
  flex: 1;
  min-width: 0;
}

.page-news .news-batch-trigger__topline {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 5px;
  flex-wrap: wrap;
}

.page-news .news-batch-trigger__time {
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--color-muted);
  letter-spacing: .04em;
}

.page-news .news-batch-trigger__title {
  display: block;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--color-ink);
}

.page-news .news-batch-item .accordion__icon {
  font-family: var(--font-mono);
  font-size: 21px;
  color: var(--color-cinnabar);
  flex-shrink: 0;
}

.page-news .news-batch-item__body {
  background: var(--color-paper-light);
  border: 1px solid var(--color-border);
  border-top: 0;
  padding: 14px 16px;
}

.page-news .news-batch-item__desc {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.65;
  color: var(--color-ink);
}

.page-news .news-batch-item__links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
}

.page-news .news-batch-item__links a {
  color: var(--color-link-dark);
  font-size: 14px;
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* 手风琴渐进增强 */
.page-news .accordion__panel {
  display: none;
}

.page-news .accordion__item[data-open] > .accordion__panel,
.page-news .accordion__panel[data-open] {
  display: block;
}

/* ===== 收录内容批次 ===== */
.page-news .news-archive {
  background: var(--color-orange);
  padding: 44px 0 36px;
}

.page-news .news-archive .section-heading h2 {
  color: var(--color-brown);
}

.page-news .news-archive .section-sub {
  color: var(--color-brown);
  opacity: .85;
}

.page-news .news-archive__track {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin: 26px 0 0;
  padding-left: 26px;
}

.page-news .news-archive__track::before {
  content: '';
  position: absolute;
  left: 7px;
  top: 10px;
  bottom: 12px;
  width: 3px;
  background: var(--color-brown);
  opacity: .4;
}

.page-news .news-archive__line {
  display: none;
}

.page-news .news-archive__node {
  position: relative;
  background: var(--color-paper);
  border: 2px solid var(--color-brown);
  padding: 14px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.page-news .news-archive__node::before {
  content: '';
  position: absolute;
  left: -23px;
  top: 24px;
  width: 14px;
  height: 14px;
  background: var(--color-cinnabar);
  border: 2px solid var(--color-paper-light);
  border-radius: 50%;
  z-index: 2;
}

.page-news .news-archive__num {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  color: var(--color-cinnabar);
  line-height: 1;
}

.page-news .news-archive__eps {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-brown);
}

.page-news .news-archive__seal {
  display: block;
  max-width: 150px;
  height: auto;
  margin: 26px auto 0;
  transform: rotate(-8deg);
  opacity: .9;
}

/* ===== 近期优化标签云 ===== */
.page-news .news-tags {
  position: relative;
  overflow: hidden;
  padding: 48px 0 42px;
}

.page-news .news-tags__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-news .news-tags__bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .14;
}

.page-news .news-tags__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(245, 234, 222, .55);
}

.page-news .news-tags .container {
  position: relative;
  z-index: 1;
}

.page-news .news-tags__cloud {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 12px;
  margin-top: 22px;
}

.page-news .news-tag {
  display: inline-flex;
  align-items: center;
  border-radius: 2px;
  border: 1px solid var(--color-border);
  border-bottom-width: 3px;
  font-family: var(--font-sans);
  text-decoration: none;
  line-height: 1.4;
  transition: transform .18s ease, box-shadow .18s ease;
}

.page-news .news-tag:hover {
  transform: translateY(-2px) rotate(-.3deg);
  box-shadow: 0 4px 0 rgba(var(--color-cinnabar-rgb), .32);
}

.page-news .news-tag--sm {
  font-size: 13px;
  padding: 3px 10px;
}

.page-news .news-tag--md {
  font-size: 15px;
  padding: 6px 14px;
}

.page-news .news-tag--lg {
  font-size: 18px;
  padding: 9px 18px;
}

.page-news .news-tag--xl {
  font-size: 21px;
  padding: 12px 24px;
}

.page-news .news-tag.tag--orange {
  border-color: #BF5F1E;
}

.page-news .news-tag.tag--purple {
  border-color: #682E87;
}

.page-news .news-tag.tag--yellow {
  border-color: #A88605;
}

/* ===== 桌面增强 ===== */
@media (min-width: 768px) {
  .page-news .news-hero {
    display: grid;
    grid-template-columns: 1.6fr 1fr;
    gap: 28px;
    align-items: stretch;
    padding: 30px 0 48px;
  }

  .page-news .news-hero__board {
    margin-top: 0;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
  }

  .page-news .news-hero__stats {
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
  }

  .page-news .news-versions {
    padding: 56px 0;
  }

  .page-news .news-versions__figwrap {
    display: block;
  }

  .page-news .news-batch-layout {
    display: grid;
    grid-template-columns: 110px 1fr;
    gap: 28px;
  }

  .page-news .news-batch-rail {
    display: block;
  }

  .page-news .news-batch-timeline {
    padding-left: 48px;
  }

  .page-news .news-batch-item::before {
    left: -41px;
    top: 28px;
  }

  .page-news .news-batch-trigger {
    padding: 16px 18px;
  }

  .page-news .news-batch-trigger__title {
    font-size: 17px;
  }

  .page-news .news-archive {
    padding: 56px 0 48px;
  }

  .page-news .news-archive__track {
    flex-direction: row;
    gap: 14px;
    padding-left: 0;
    padding-top: 36px;
  }

  .page-news .news-archive__track::before {
    display: none;
  }

  .page-news .news-archive__line {
    display: block;
    position: absolute;
    left: 22px;
    right: 22px;
    top: 26px;
    height: 3px;
    background: var(--color-brown);
    opacity: .55;
  }

  .page-news .news-archive__node {
    flex: 1;
    flex-direction: column;
    align-items: flex-start;
    margin-bottom: 0;
    min-width: 0;
  }

  .page-news .news-archive__node::before {
    left: 18px;
    top: -16px;
    width: 16px;
    height: 16px;
    border-width: 3px;
  }

  .page-news .news-archive__seal {
    margin-top: 36px;
  }

  .page-news .news-tags {
    padding: 60px 0 54px;
  }

  .page-news .news-tags__cloud {
    gap: 14px 18px;
    margin-top: 28px;
  }
}

@media (min-width: 1024px) {
  .page-news .news-versions__head {
    gap: 20px;
  }

  .page-news .news-versions__table td {
    padding: 15px 18px;
  }

  .page-news .news-batch-trigger__num {
    min-width: 54px;
    font-size: 34px;
  }
}