.page-news {
  display: block;
  color: var(--c-white);
  font-family: var(--font-sans);
}

.page-news .news-shell {
  width: 100%;
  max-width: calc(var(--shell) + var(--edge) * 2);
  margin-inline: auto;
  padding-inline: var(--edge);
}

.page-news [hidden] {
  display: none !important;
}

.page-news .breadcrumb {
  padding-top: clamp(20px, 3vw, 36px);
}

/* ---------- 首屏 ---------- */

.page-news .news-hero {
  padding-top: clamp(24px, 4vw, 48px);
}

.page-news .news-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 56px);
  align-items: end;
}

.page-news .news-eyebrow {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--c-violet-soft);
}

.page-news .news-hero__title {
  margin: 0 0 20px;
  font-weight: 300;
  font-size: clamp(2.3rem, 6vw, 4.4rem);
  line-height: 1.08;
  letter-spacing: 0.05em;
  color: var(--c-white);
}

.page-news .news-hero__lede {
  margin: 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--c-grey);
}

.page-news .news-hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: clamp(24px, 3vw, 36px);
}

.page-news .news-copy {
  appearance: none;
  background: transparent;
  border: 1px solid var(--c-orbit);
  color: var(--c-grey);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  padding: 11px 16px;
  cursor: pointer;
  transition: border-color var(--t-fast) linear, color var(--t-fast) linear;
}

.page-news .news-copy:hover {
  border-color: var(--c-violet-soft);
  color: var(--c-white);
}

.page-news .news-copy[data-copied] {
  border-color: var(--c-aurora);
  color: var(--c-aurora);
}

.page-news .news-hero__panel {
  padding: clamp(20px, 3vw, 30px);
}

.page-news .news-hero__panel-label {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--c-grey);
}

.page-news .news-hero__stamp {
  margin: 8px 0 22px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--c-orbit);
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  letter-spacing: 0.14em;
  color: var(--c-violet-soft);
}

.page-news .news-facts {
  display: grid;
  gap: 12px;
  margin: 0;
}

.page-news .news-facts__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}

.page-news .news-facts dt {
  font-size: 13px;
  color: var(--c-grey);
}

.page-news .news-facts dd {
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--c-white);
}

/* ---------- 章节标题 ---------- */

.page-news .news-section-head {
  max-width: 48rem;
  margin-bottom: clamp(28px, 4vw, 48px);
}

.page-news .news-section-head .idx {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--c-violet-soft);
}

.page-news .news-section-head h2 {
  margin: 0 0 12px;
  font-weight: 300;
  font-size: clamp(1.6rem, 3.2vw, 2.5rem);
  line-height: 1.15;
  letter-spacing: 0.04em;
}

.page-news .news-section-head__note {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-grey);
}

.page-news .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: clamp(20px, 3vw, 32px);
}

/* ---------- 动态列表 ---------- */

.page-news .feed-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--c-orbit);
}

.page-news .feed-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  padding: 20px 12px;
  border-bottom: 1px solid var(--c-orbit);
  transition: background var(--t-fast) linear;
}

.page-news .feed-item:hover {
  background: rgba(108, 77, 255, 0.08);
}

.page-news .feed-item__time {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-grey);
}

.page-news .feed-item__body {
  min-width: 0;
}

.page-news .feed-item__title {
  margin: 0 0 6px;
  font-size: 1.05rem;
  font-weight: 400;
  letter-spacing: 0.03em;
  color: var(--c-white);
}

.page-news .feed-item__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-grey);
}

.page-news .feed-item .tag {
  justify-self: start;
  min-width: 84px;
  text-align: center;
}

/* ---------- 版本时间轴 ---------- */

.page-news .news-timeline__figure {
  margin: 0 0 clamp(36px, 5vw, 64px);
}

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

.page-news .timeline::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 12px;
  bottom: 12px;
  width: 1px;
  background: linear-gradient(180deg, var(--c-violet) 0%, var(--c-orbit) 70%, rgba(42, 51, 80, 0) 100%);
}

.page-news .timeline__item {
  position: relative;
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: clamp(16px, 2.4vw, 32px);
  padding-bottom: clamp(32px, 4vw, 56px);
  scroll-margin-top: 130px;
}

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

.page-news .timeline__node {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border: 1px solid var(--c-orbit);
  background: var(--c-deep);
  color: var(--c-violet-soft);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-decoration: none;
  transition: border-color var(--t-fast) linear, color var(--t-fast) linear,
    box-shadow var(--t-draw) linear;
}

.page-news .timeline__node:hover {
  border-color: var(--c-violet-soft);
  color: var(--c-white);
  box-shadow: 0 0 0 4px rgba(108, 77, 255, 0.18);
}

.page-news .timeline__body {
  min-width: 0;
  padding-top: 2px;
}

.page-news .timeline__when {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-nebula);
}

.page-news .timeline__title {
  margin: 0 0 10px;
  font-size: clamp(1.15rem, 2.2vw, 1.5rem);
  font-weight: 400;
  letter-spacing: 0.03em;
}

.page-news .timeline__text {
  margin: 0;
  max-width: 44em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-grey);
}

/* ---------- 对照表 ---------- */

.page-news .news-change__figure {
  margin: 0 0 clamp(28px, 4vw, 48px);
}

.page-news .change-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--c-orbit);
  background: var(--c-deep-2);
}

.page-news .change-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-news .change-table__caption {
  padding: 14px 18px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--c-grey);
  border-bottom: 1px solid var(--c-orbit);
}

.page-news .change-table thead th {
  padding: 14px 18px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.12em;
  color: var(--c-violet-soft);
  background: var(--c-glass);
  border-bottom: 1px solid var(--c-orbit);
  white-space: nowrap;
}

.page-news .change-table tbody tr {
  transition: background var(--t-fast) linear;
}

.page-news .change-table tbody tr:nth-child(even) {
  background: rgba(21, 27, 48, 0.55);
}

.page-news .change-table tbody tr:hover {
  background: rgba(183, 156, 255, 0.12);
}

.page-news .change-table tbody th,
.page-news .change-table tbody td {
  padding: 15px 18px;
  text-align: left;
  vertical-align: top;
  line-height: 1.7;
  border-bottom: 1px solid var(--c-orbit);
}

.page-news .change-table tbody th {
  font-weight: 400;
  color: var(--c-white);
  white-space: nowrap;
}

.page-news .change-table tbody td {
  color: var(--c-grey);
}

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

.page-news .change-type {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.page-news .change-table tbody tr[data-row-type="新增能力"] .change-type {
  color: var(--c-aurora);
}

.page-news .change-table tbody tr[data-row-type="体验优化"] .change-type {
  color: var(--c-violet-soft);
}

.page-news .change-table tbody tr[data-row-type="规则调整"] .change-type {
  color: var(--c-orange);
}

.page-news .change-table tbody tr[data-row-type="新增能力"] th:first-child {
  box-shadow: inset 3px 0 0 var(--c-aurora);
}

.page-news .change-table tbody tr[data-row-type="体验优化"] th:first-child {
  box-shadow: inset 3px 0 0 var(--c-violet-soft);
}

.page-news .change-table tbody tr[data-row-type="规则调整"] th:first-child {
  box-shadow: inset 3px 0 0 var(--c-orange);
}

/* ---------- 观测日志 ---------- */

.page-news .news-log__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 64px);
  align-items: center;
}

.page-news .news-log__figure {
  margin: 0;
}

.page-news .news-log__body {
  min-width: 0;
}

.page-news .news-log__body .idx {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--c-violet-soft);
}

.page-news .news-log__body h2 {
  margin: 0 0 14px;
  font-weight: 300;
  font-size: clamp(1.6rem, 3.2vw, 2.4rem);
  line-height: 1.15;
  letter-spacing: 0.04em;
}

.page-news .news-log__lede {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-grey);
}

.page-news .log-parts {
  list-style: none;
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-news .log-parts li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--c-orbit);
}

.page-news .log-parts li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-news .log-parts__num {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-violet-soft);
  padding-top: 3px;
}

.page-news .log-parts__title {
  margin: 0 0 6px;
  font-size: 1rem;
  font-weight: 400;
  letter-spacing: 0.03em;
}

.page-news .log-parts__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-grey);
}

.page-news .news-log__meta {
  margin: clamp(22px, 3vw, 30px) 0 0;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--c-grey);
}

/* ---------- 归档 ---------- */

.page-news .news-archive__figure {
  margin: 0 0 clamp(28px, 4vw, 44px);
}

.page-news .archive-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(16px, 2vw, 26px);
}

.page-news .archive-card {
  padding: clamp(20px, 2.6vw, 30px);
}

.page-news .archive-card__num {
  margin: 0 0 14px;
  font-size: 22px;
  letter-spacing: 0.1em;
  color: var(--c-violet-soft);
}

.page-news .archive-card__title {
  margin: 0 0 10px;
  font-size: 1.1rem;
  font-weight: 400;
  letter-spacing: 0.04em;
}

.page-news .archive-card__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--c-grey);
}

/* ---------- 收藏提示 ---------- */

.page-news .news-keep__box {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: clamp(20px, 3vw, 48px);
  padding: clamp(24px, 4vw, 44px);
  border: 1px solid var(--c-orbit);
  border-left: 3px solid var(--c-violet);
  background: linear-gradient(115deg, rgba(108, 77, 255, 0.16) 0%, rgba(5, 7, 15, 0) 62%);
}

.page-news .news-keep__text {
  min-width: 0;
  flex: 1 1 22rem;
}

.page-news .news-keep__title {
  margin: 0 0 10px;
  font-weight: 300;
  font-size: clamp(1.35rem, 2.6vw, 1.9rem);
  letter-spacing: 0.04em;
}

.page-news .news-keep__desc {
  margin: 0;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-grey);
}

.page-news .news-keep__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
}

.page-news .news-keep__link {
  font-size: 14px;
  line-height: 1.6;
  color: var(--c-violet-soft);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--t-draw) linear, color var(--t-fast) linear;
}

.page-news .news-keep__link:hover {
  color: var(--c-white);
  border-bottom-color: var(--c-violet-soft);
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-news .feed-item {
    grid-template-columns: 118px 82px minmax(0, 1fr);
    align-items: start;
    gap: 18px;
    padding: 22px 16px;
  }

  .page-news .feed-item .tag {
    justify-self: start;
  }

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

@media (min-width: 960px) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(280px, 0.85fr);
    gap: clamp(40px, 5vw, 80px);
  }

  .page-news .news-log__grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  }

  .page-news .news-section-head {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (min-width: 1180px) {
  .page-news #changes .change-table-wrap,
  .page-news #changes .filter-bar {
    margin-right: calc(var(--edge) * -1);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .feed-item,
  .page-news .change-table tbody tr,
  .page-news .timeline__node,
  .page-news .news-copy,
  .page-news .news-keep__link {
    transition: none;
  }
}