.page-news {
  --news-pad: 30px;
  display: block;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  overflow: hidden;
  padding: var(--news-pad) 0 32px;
  border-bottom: 1px solid var(--rule);
  background: linear-gradient(180deg, rgba(34, 225, 255, 0.07) 0%, rgba(5, 7, 12, 0) 62%);
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(90deg, rgba(35, 42, 54, 0.6) 0 1px, transparent 1px 46px);
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.75), transparent 74%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.75), transparent 74%);
  pointer-events: none;
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  right: -60px;
  top: -60px;
  width: 240px;
  height: 240px;
  background: radial-gradient(circle at 35% 35%, rgba(34, 225, 255, 0.18), rgba(34, 225, 255, 0) 68%);
  pointer-events: none;
}

.page-news .news-hero > .wrap {
  position: relative;
  z-index: 1;
}

.page-news .news-hero__title {
  margin: 12px 0 0;
  font-size: clamp(2.6rem, 13vw, 4.8rem);
  line-height: 0.94;
  letter-spacing: -0.02em;
  font-weight: 900;
  color: var(--paper);
}

.page-news .news-hero__sub {
  margin: 14px 0 0;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--cyan);
  word-break: break-word;
  line-height: 1.7;
}

.page-news .news-hero__lede {
  margin: 16px 0 0;
  max-width: 58ch;
  color: var(--steel);
  line-height: 1.8;
}

.page-news .news-stats {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}

.page-news .news-stats > li {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 12px 10px 14px;
  background: var(--hold);
}

.page-news .news-stats .stat__value {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--cyan);
  line-height: 1;
}

.page-news .news-stats .stat__label {
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--steel);
  line-height: 1.45;
}

/* ---------- 章节导航 ---------- */
.page-news .news-toc-wrap {
  background: var(--hold);
  border-bottom: 1px solid var(--rule);
}

.page-news .news-toc {
  list-style: none;
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 12px 0;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-news .news-toc::-webkit-scrollbar {
  display: none;
}

.page-news .news-toc__link {
  flex: 0 0 auto;
  display: block;
  padding: 7px 12px;
  border: 1px solid var(--rule);
  background: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--steel);
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.18s ease, border-color 0.18s ease;
}

.page-news .news-toc__link:hover,
.page-news .news-toc__link:focus-visible,
.page-news .news-toc__link[aria-current] {
  color: var(--cyan);
  border-color: rgba(34, 225, 255, 0.55);
}

/* ---------- 通用区块标题 ---------- */
.page-news .news-sec-head {
  margin-bottom: 20px;
}

.page-news .news-sec-head__title {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--paper);
  padding-left: 12px;
  border-left: 3px solid var(--cyan);
  line-height: 1.3;
}

.page-news .news-sec-head__desc {
  margin: 12px 0 0;
  max-width: 62ch;
  color: var(--steel);
  font-size: 0.88rem;
  line-height: 1.75;
}

/* ---------- 时间轴 ---------- */
.page-news .news-timeline {
  position: relative;
  overflow: hidden;
}

.page-news .news-timeline__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.16;
  pointer-events: none;
}

.page-news .news-timeline__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.page-news .news-timeline > .wrap {
  position: relative;
  z-index: 1;
}

.page-news .filter-bar {
  display: flex;
  gap: 8px;
  margin: 0 0 20px;
  padding: 0 0 4px;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-news .filter-bar::-webkit-scrollbar {
  display: none;
}

.page-news .filter-btn {
  flex: 0 0 auto;
  padding: 7px 13px;
  border: 1px solid var(--rule);
  background: var(--ink);
  color: var(--steel);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: color 0.18s ease, border-color 0.18s ease, background-color 0.18s ease;
}

.page-news .filter-btn:hover {
  color: var(--paper);
  border-color: var(--steel);
}

.page-news .filter-btn.is-active {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
}

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

.page-news .tl::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan) 0%, var(--rule) 26%, var(--rule) 100%);
}

.page-news .tl__item {
  position: relative;
  padding: 0 0 14px 28px;
  list-style: none;
}

.page-news .tl__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 17px;
  width: 11px;
  height: 11px;
  box-sizing: border-box;
  border-radius: 50%;
  background: var(--ink);
  border: 1px solid var(--rule);
}

.page-news .tl__item:has(.tl__badge--amber)::before {
  border-color: var(--amber);
}

.page-news .tl__entry {
  border: 1px solid var(--rule);
  background: var(--board);
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.page-news .tl__entry[open] {
  border-color: rgba(34, 225, 255, 0.45);
  background: var(--hold);
}

.page-news .tl__head {
  position: relative;
  display: block;
  padding: 13px 34px 13px 13px;
  cursor: pointer;
  list-style: none;
}

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

.page-news .tl__head::marker {
  content: "";
}

.page-news .tl__head::after {
  content: "+";
  position: absolute;
  right: 12px;
  top: 12px;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  line-height: 1;
  color: var(--steel);
}

.page-news .tl__entry[open] .tl__head::after {
  content: "–";
  color: var(--cyan);
}

.page-news .tl__head:hover .tl__title {
  color: #ffffff;
  text-shadow: 0 0 14px rgba(34, 225, 255, 0.34);
}

.page-news .tl__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin-bottom: 9px;
}

.page-news .tl__when {
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  color: var(--steel);
}

.page-news .tl__badge {
  font-size: 0.64rem;
  letter-spacing: 0.1em;
  padding: 2px 7px;
  border: 1px solid var(--rule);
  color: var(--steel);
  white-space: nowrap;
}

.page-news .tl__badge--cyan {
  color: var(--cyan);
  border-color: rgba(34, 225, 255, 0.45);
}

.page-news .tl__badge--amber {
  color: var(--amber);
  border-color: rgba(255, 164, 28, 0.5);
}

.page-news .tl__badge--green {
  color: var(--green);
  border-color: rgba(87, 227, 155, 0.45);
}

.page-news .tl__title {
  display: block;
  font-size: 1rem;
  font-weight: 800;
  line-height: 1.45;
  letter-spacing: 0.01em;
  color: var(--paper);
  transition: color 0.18s ease, text-shadow 0.18s ease;
}

.page-news .tl__excerpt {
  display: block;
  margin-top: 7px;
  font-size: 0.84rem;
  line-height: 1.65;
  color: var(--steel);
}

.page-news .tl__body {
  padding: 12px 13px 15px;
  border-top: 1px solid var(--rule);
}

.page-news .tl__body p {
  margin: 0 0 8px;
  font-size: 0.84rem;
  line-height: 1.75;
  color: var(--steel);
}

.page-news .tl__body p:last-child {
  margin-bottom: 0;
}

.page-news .filter-empty {
  margin: 8px 0 0;
  padding: 16px 14px;
  border: 1px dashed var(--rule);
  color: var(--steel);
  font-size: 0.84rem;
  line-height: 1.7;
  background: var(--hold);
}

/* ---------- 状态标签说明 ---------- */
.page-news .news-states {
  border-top: 1px solid var(--rule);
}

.page-news .states-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: minmax(0, 1fr);
}

.page-news .states-card {
  position: relative;
  padding: 18px 16px 18px 18px;
  border: 1px solid var(--rule);
  background: var(--board);
}

.page-news .states-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 3px;
  height: 100%;
  background: var(--steel);
}

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

.page-news .states-card--cyan::before {
  background: var(--cyan);
}

.page-news .states-card--amber::before {
  background: var(--amber);
}

.page-news .states-badge {
  display: inline-block;
  padding: 3px 9px;
  border: 1px solid var(--rule);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: var(--steel);
}

.page-news .states-card--green .states-badge {
  color: var(--green);
  border-color: rgba(87, 227, 155, 0.45);
}

.page-news .states-card--cyan .states-badge {
  color: var(--cyan);
  border-color: rgba(34, 225, 255, 0.45);
}

.page-news .states-card--amber .states-badge {
  color: var(--amber);
  border-color: rgba(255, 164, 28, 0.5);
}

.page-news .states-card__title {
  margin: 12px 0 0;
  font-size: 1rem;
  font-weight: 800;
  line-height: 1.45;
  color: var(--paper);
}

.page-news .states-card__desc {
  margin: 8px 0 0;
  font-size: 0.85rem;
  line-height: 1.75;
  color: var(--steel);
}

.page-news .states-figure,
.page-news .changes-figure,
.page-news .ver-figure {
  margin: 22px 0 0;
}

/* ---------- 入口变更对照 ---------- */
.page-news .news-changes {
  border-top: 1px solid var(--rule);
}

.page-news .chg {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-news .chg__row {
  position: relative;
  padding: 14px 14px 14px 18px;
  border: 1px solid var(--rule);
  background: var(--board);
}

.page-news .chg__row::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 2px;
  height: 100%;
  background: linear-gradient(180deg, var(--cyan) 0%, rgba(10, 108, 124, 0.2) 60%, rgba(35, 42, 54, 0) 100%);
}

.page-news .chg__meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 11px;
}

.page-news .chg__no {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--cyan);
  line-height: 1;
}

.page-news .chg__when {
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  color: var(--steel);
}

.page-news .chg__pair {
  display: grid;
  gap: 8px;
  grid-template-columns: minmax(0, 1fr);
}

.page-news .chg__side {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 9px 10px;
  border: 1px solid var(--rule);
  background: var(--ink);
}

.page-news .chg__side--to {
  border-color: rgba(34, 225, 255, 0.35);
}

.page-news .chg__label {
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  color: var(--steel);
}

.page-news .chg__side--to .chg__label {
  color: var(--cyan);
}

.page-news .chg__text {
  font-size: 0.84rem;
  line-height: 1.6;
  color: var(--steel);
  word-break: break-word;
}

.page-news .chg__side--to .chg__text {
  color: var(--paper);
}

.page-news .chg__todo {
  margin: 11px 0 0;
  padding-left: 9px;
  border-left: 2px solid var(--rule);
  font-size: 0.81rem;
  line-height: 1.65;
  color: var(--steel);
}

.page-news .chg__todo b {
  font-weight: 600;
  color: var(--cyan);
}

/* ---------- 版本代 ---------- */
.page-news .news-versions {
  border-top: 1px solid var(--rule);
}

.page-news .ver-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: minmax(0, 1fr);
}

.page-news .ver {
  padding: 18px 16px;
  border: 1px solid var(--rule);
  background: var(--board);
}

.page-news .ver--main {
  border-color: rgba(34, 225, 255, 0.32);
}

.page-news .ver--keep {
  border-color: rgba(255, 164, 28, 0.28);
}

.page-news .ver__head {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--rule);
}

.page-news .ver__code {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--paper);
  line-height: 1;
}

.page-news .ver--main .ver__code {
  color: var(--cyan);
}

.page-news .ver--keep .ver__code {
  color: var(--amber);
}

.page-news .ver--arch .ver__code {
  color: var(--steel);
}

.page-news .ver__name {
  margin: 0;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--steel);
}

.page-news .ver__desc {
  margin: 12px 0 0;
  font-size: 0.85rem;
  line-height: 1.75;
  color: var(--steel);
}

.page-news .ver__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-news .ver__list li {
  position: relative;
  padding-left: 16px;
  font-size: 0.84rem;
  line-height: 1.6;
  color: var(--paper);
}

.page-news .ver__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 1px;
  background: var(--steel);
}

.page-news .ver--main .ver__list li::before {
  background: var(--cyan);
}

.page-news .ver--keep .ver__list li::before {
  background: var(--amber);
}

/* ---------- 更新节奏与自查 ---------- */
.page-news .news-follow {
  border-top: 1px solid var(--rule);
}

.page-news .follow-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: minmax(0, 1fr);
}

.page-news .follow-panel {
  padding: 18px 16px;
  border: 1px solid var(--rule);
  background: var(--board);
}

.page-news .follow-panel--steps {
  background: var(--hold);
  border-color: rgba(34, 225, 255, 0.28);
}

.page-news .follow-panel__title {
  margin: 0 0 14px;
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-news .follow-panel .data-list {
  margin: 0;
}

.page-news .follow-panel .data-list__row {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 10px 0;
  border-bottom: 1px solid var(--rule);
}

.page-news .follow-panel .data-list__row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-news .follow-panel .data-list__key {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--steel);
}

.page-news .follow-panel .data-list__value {
  font-size: 0.86rem;
  line-height: 1.65;
  color: var(--paper);
}

.page-news .steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  counter-reset: none;
}

.page-news .steps__item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 12px;
  border: 1px solid var(--rule);
  background: var(--ink);
}

.page-news .steps__no {
  flex: 0 0 auto;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: 0.08em;
}

.page-news .steps__text {
  font-size: 0.86rem;
  line-height: 1.6;
  color: var(--paper);
}

.page-news .follow-panel__note {
  margin: 14px 0 0;
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--steel);
}

.page-news .follow-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.page-news .follow-notice {
  margin-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: flex-start;
}

.page-news .follow-notice p {
  margin: 0;
  font-size: 0.84rem;
  line-height: 1.7;
}

.page-news .follow-notice__link {
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 225, 255, 0.45);
  padding-bottom: 2px;
}

.page-news .follow-notice__link:hover,
.page-news .follow-notice__link:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-news {
    --news-pad: 48px;
  }

  .page-news .news-stats > li {
    padding: 16px 18px 18px;
  }

  .page-news .news-stats .stat__value {
    font-size: 2rem;
  }

  .page-news .news-sec-head__title {
    font-size: 1.6rem;
  }

  .page-news .tl__item {
    padding: 0 0 16px 34px;
  }

  .page-news .tl::before {
    left: 6px;
  }

  .page-news .tl__item::before {
    top: 19px;
    left: 0;
    width: 13px;
    height: 13px;
  }

  .page-news .tl__head {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: start;
    column-gap: 16px;
    padding: 16px 40px 16px 16px;
  }

  .page-news .tl__meta {
    grid-column: 1;
    margin-bottom: 10px;
  }

  .page-news .tl__title {
    grid-column: 1;
    font-size: 1.06rem;
  }

  .page-news .tl__excerpt {
    grid-column: 1;
  }

  .page-news .tl__body {
    padding: 14px 16px 18px;
  }

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

  .page-news .states-grid,
  .page-news .ver-grid,
  .page-news .follow-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .states-figure {
    margin-top: 26px;
  }
}

@media (min-width: 1024px) {
  .page-news .news-hero {
    padding: 64px 0 52px;
  }

  .page-news .news-hero__lede {
    margin-top: 20px;
  }

  .page-news .news-stats {
    max-width: 720px;
  }

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

  .page-news .tl__item {
    padding-left: 40px;
  }

  .page-news .tl::before {
    left: 7px;
  }

  .page-news .tl__item::before {
    left: 0;
    width: 15px;
    height: 15px;
  }

  .page-news .chg {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .follow-grid {
    grid-template-columns: 1fr 1.2fr;
  }

  .page-news .follow-notice {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
  }

  .page-news .follow-notice p {
    max-width: 72ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-toc__link,
  .page-news .filter-btn,
  .page-news .tl__entry,
  .page-news .tl__title {
    transition: none;
  }

  .page-news .tl__head:hover .tl__title {
    text-shadow: none;
  }
}
</final>