/* ================= 动态与更新 · 页面专属样式 ================= */

.page-news {
  padding-bottom: 80px;
}

.page-news [id] {
  scroll-margin-top: 96px;
}

/* ---------- 首屏 ---------- */
.page-news .news-head {
  display: grid;
  gap: 28px;
  padding: 28px 0 44px;
  border-bottom: 1px solid var(--line);
}

.page-news .news-head__title {
  margin: 14px 0 16px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 8vw, 72px);
  line-height: 1.05;
  letter-spacing: -0.01em;
  color: var(--ivory);
  max-width: 16ch;
}

.page-news .news-head__lede {
  max-width: 56ch;
  margin: 0;
  font-size: 17px;
  line-height: 1.75;
  color: var(--ivory-soft);
}

.page-news .news-head__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  color: var(--mist);
}

.page-news .news-head__facts .mono {
  margin-right: 6px;
  font-family: var(--font-mono);
  color: var(--gold);
}

.page-news .news-head__media {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  overflow: hidden;
  background: var(--felt);
}

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

/* ---------- 分类筛选条 ---------- */
.page-news .news-filter {
  padding-top: 44px;
}

.page-news .news-filter__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .cat-tag {
  display: block;
  height: 100%;
  padding: 16px 16px 18px;
  border: 1px solid var(--line);
  border-top: 2px solid var(--jade);
  border-radius: var(--r-m);
  background: linear-gradient(180deg, rgba(47, 191, 143, 0.07), rgba(47, 191, 143, 0) 62%), var(--felt);
  color: inherit;
  text-decoration: none;
  transition: transform var(--dur-hover) var(--ease), border-color var(--dur-hover) var(--ease);
}

.page-news .cat-tag:hover {
  transform: translateY(-2px);
  border-color: var(--jade-deep);
}

.page-news .cat-tag:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
  transform: translateY(-2px);
}

.page-news .cat-tag--gold {
  border-top-color: var(--gold);
  background: linear-gradient(180deg, rgba(232, 180, 74, 0.08), rgba(232, 180, 74, 0) 62%), var(--felt);
}

.page-news .cat-tag--red {
  border-top-color: var(--dice);
  background: linear-gradient(180deg, rgba(217, 69, 61, 0.08), rgba(217, 69, 61, 0) 62%), var(--felt);
}

.page-news .cat-tag--mist {
  border-top-color: var(--mist);
  background: linear-gradient(180deg, rgba(147, 171, 162, 0.08), rgba(147, 171, 162, 0) 62%), var(--felt);
}

.page-news .cat-tag__name {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 600;
  color: var(--ivory);
}

.page-news .cat-tag__desc {
  display: block;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 两栏骨架 ---------- */
.page-news .news-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 44px;
  margin-top: 52px;
}

.page-news .news-stream {
  display: grid;
  gap: 52px;
  align-content: start;
}

.page-news .news-rail {
  display: grid;
  gap: 20px;
  align-content: start;
}

/* ---------- 条目流 ---------- */
.page-news .news-items {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-news .news-item {
  border-bottom: 1px solid var(--line);
}

.page-news .news-item__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 10px;
  padding: 15px 6px;
  cursor: pointer;
  list-style: none;
  transition: transform var(--dur-hover) var(--ease), background-color var(--dur-hover) var(--ease);
}

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

.page-news .news-item__row:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: -2px;
  border-radius: var(--r-s);
}

.page-news .news-item__title {
  flex: 1 1 100%;
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--ivory);
}

.page-news .news-item__stage {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--mist);
  white-space: nowrap;
}

.page-news .news-item__arrow {
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1;
  color: var(--jade);
  opacity: 0.35;
  transition: opacity var(--dur-hover) var(--ease), transform var(--dur-switch) var(--ease);
}

.page-news .news-item__row:hover,
.page-news .news-item[open] > .news-item__row {
  transform: translateX(4px);
  background-color: rgba(47, 191, 143, 0.06);
}

.page-news .news-item__row:hover .news-item__arrow,
.page-news .news-item[open] .news-item__arrow {
  opacity: 1;
}

.page-news .news-item[open] .news-item__arrow {
  transform: rotate(90deg);
}

.page-news .news-item__body {
  max-width: 62ch;
  padding: 0 6px 18px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-news .news-item__body p {
  margin: 0;
}

/* ---------- 批次台账 ---------- */
.page-news .batch-track {
  position: relative;
  margin: 20px 0 0;
  padding: 0 0 0 26px;
  list-style: none;
}

.page-news .batch-track::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 8px;
  bottom: 14px;
  width: 1px;
  background: linear-gradient(180deg, var(--jade), var(--line) 62%, rgba(39, 64, 54, 0));
}

.page-news .batch-track__item {
  position: relative;
  padding-bottom: 28px;
}

.page-news .batch-track__item:last-child {
  padding-bottom: 0;
}

.page-news .batch-track__item::before {
  content: "";
  position: absolute;
  left: -26px;
  top: 6px;
  width: 11px;
  height: 11px;
  box-sizing: border-box;
  border-radius: 50%;
  border: 2px solid var(--jade);
  background: var(--felt);
}

.page-news .batch-track__item--latest::before {
  border-color: var(--gold);
  background: var(--gold);
  box-shadow: 0 0 0 3px rgba(232, 180, 74, 0.16);
}

.page-news .batch-track__no {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--gold);
}

.page-news .batch-track__title {
  margin: 0 0 6px;
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 600;
  color: var(--ivory);
}

.page-news .batch-track__text {
  max-width: 60ch;
  margin: 0 0 10px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--mist);
}

.page-news .batch-track__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
}

/* ---------- 版本动态 ---------- */
.page-news .version-block {
  display: grid;
  gap: 24px;
  margin-top: 20px;
}

.page-news .version-block__media {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  overflow: hidden;
  background: var(--felt);
}

.page-news .version-block__lede {
  margin: 0 0 22px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--ivory-soft);
  max-width: 60ch;
}

.page-news .timeline__time {
  font-family: var(--font-mono);
}

/* ---------- 索引维护 ---------- */
.page-news .index-block {
  display: grid;
  gap: 24px;
  margin-top: 20px;
}

.page-news .index-block__text p {
  margin: 0 0 22px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--ivory-soft);
  max-width: 62ch;
}

.page-news .index-block__media {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  overflow: hidden;
  background: var(--felt);
}

/* ---------- 规则变更表 ---------- */
.page-news .table-wrap {
  margin-top: 20px;
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-news .table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: 14.5px;
}

.page-news .table th,
.page-news .table td {
  padding: 13px 16px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
  line-height: 1.7;
}

.page-news .table thead th {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mist);
  background: var(--felt);
  white-space: nowrap;
}

.page-news .table tbody th {
  font-weight: 600;
  color: var(--ivory);
  white-space: nowrap;
}

.page-news .table tbody td {
  color: var(--ivory-soft);
}

.page-news .table tbody tr:last-child th,
.page-news .table tbody tr:last-child td {
  border-bottom: 0;
}

.page-news .table tbody tr:hover {
  background: rgba(47, 191, 143, 0.05);
}

.page-news .table td.mono {
  font-family: var(--font-mono);
  color: var(--gold);
  white-space: nowrap;
}

.page-news .table a {
  color: var(--jade);
  text-decoration: none;
  border-bottom: 1px solid var(--jade-deep);
}

.page-news .table a:hover,
.page-news .table a:focus-visible {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

.page-news .table a:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

/* ---------- 方法说明 ---------- */
.page-news .howto-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 20px;
}

.page-news .howto-grid .card {
  height: 100%;
}

.page-news .howto-grid .card__body p {
  margin: 0;
}

/* ---------- 侧栏卡片 ---------- */
.page-news .rail-card {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  background: linear-gradient(180deg, rgba(47, 191, 143, 0.06), rgba(47, 191, 143, 0) 62%), var(--felt);
}

.page-news .rail-card--sub {
  background: linear-gradient(180deg, rgba(232, 180, 74, 0.07), rgba(232, 180, 74, 0) 62%), var(--felt);
}

.page-news .rail-card__title {
  margin: 0 0 6px;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--ivory);
}

.page-news .rail-card__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

.page-news .rail-timeline {
  position: relative;
  margin: 16px 0 0;
  padding: 0 0 0 22px;
  list-style: none;
}

.page-news .rail-timeline::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 8px;
  bottom: 10px;
  width: 1px;
  background: linear-gradient(180deg, var(--gold), var(--line) 72%, rgba(39, 64, 54, 0));
}

.page-news .rail-timeline__item {
  position: relative;
  padding-bottom: 16px;
}

.page-news .rail-timeline__item:last-child {
  padding-bottom: 0;
}

.page-news .rail-timeline__item::before {
  content: "";
  position: absolute;
  left: -22px;
  top: 5px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 3px rgba(232, 180, 74, 0.14);
}

.page-news .rail-timeline__item:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 4px;
  border-radius: var(--r-s);
}

.page-news .rail-timeline__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.03em;
  color: var(--ivory);
}

.page-news .rail-timeline__meta {
  margin: 3px 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist);
}

.page-news .rail-timeline__tip {
  max-height: 0;
  margin: 0;
  overflow: hidden;
  opacity: 0;
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--jade);
  transition: max-height var(--dur-switch) var(--ease), opacity var(--dur-switch) var(--ease), margin-top var(--dur-switch) var(--ease);
}

.page-news .rail-timeline__item:hover .rail-timeline__tip,
.page-news .rail-timeline__item:focus .rail-timeline__tip {
  max-height: 90px;
  margin-top: 6px;
  opacity: 1;
}

.page-news .rail-sub__media {
  margin: 14px 0 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-s);
  overflow: hidden;
  background: var(--ink);
}

.page-news .rail-sub__text {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--mist);
}

.page-news .rail-sub__state {
  display: none;
  margin: 12px 0 0;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--gold);
  border-radius: var(--r-s);
  font-size: 13px;
  line-height: 1.7;
  color: var(--gold);
}

.page-news .rail-sub__state:target {
  display: block;
}

/* ---------- 断点 ---------- */
@media (min-width: 600px) {
  .page-news .news-filter__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 720px) {
  .page-news .version-block,
  .page-news .index-block {
    grid-template-columns: 220px minmax(0, 1fr);
    align-items: start;
  }

  .page-news .index-block {
    grid-template-columns: minmax(0, 1fr) 240px;
  }

  .page-news .howto-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-news .news-head {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
    align-items: end;
    gap: 40px;
  }

  .page-news .news-item__row {
    flex-wrap: nowrap;
  }

  .page-news .news-item__title {
    flex: 1 1 auto;
    min-width: 0;
  }
}

@media (min-width: 900px) {
  .page-news .news-layout {
    grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }

  .page-news .news-rail {
    position: sticky;
    top: 96px;
  }
}

@media (min-width: 1080px) {
  .page-news .news-filter__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-item__row,
  .page-news .cat-tag,
  .page-news .news-item__arrow,
  .page-news .rail-timeline__tip {
    transition: none;
  }

  .page-news .news-item__row:hover,
  .page-news .news-item[open] > .news-item__row,
  .page-news .cat-tag:hover,
  .page-news .cat-tag:focus-visible {
    transform: none;
  }
}