.page-news {
  display: block;
}

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

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(56px, 10vw, 118px) 0 clamp(40px, 6vw, 74px);
  border-bottom: 1px solid var(--line);
}

.page-news .news-hero__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 42%;
  opacity: 0.4;
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(58% 66% at 20% 28%, var(--glow-amber), transparent 66%),
    linear-gradient(180deg, rgba(11, 26, 46, 0.5) 0%, rgba(11, 26, 46, 0.9) 68%, var(--ink) 100%);
}

.page-news .news-hero__inner {
  position: relative;
}

.page-news .news-hero__title {
  max-width: 20em;
  margin: 0.2em 0 0;
}

.page-news .news-hero__lede {
  max-width: var(--w-text);
  margin: clamp(18px, 2.6vw, 26px) 0 0;
}

.page-news .news-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(24px, 3.4vw, 36px);
}

.page-news .news-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin: clamp(28px, 4vw, 46px) 0 0;
  padding: clamp(16px, 2.4vw, 22px) 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--slate);
}

.page-news .news-hero__meta strong {
  color: var(--stone);
  font-weight: 600;
}

/* ---------- 本期概览 ---------- */
.page-news .news-brief {
  list-style: none;
  margin: clamp(24px, 3.4vw, 36px) 0 0;
  padding: 0;
}

.page-news .news-brief__item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 6px 14px;
  align-items: start;
  padding: clamp(16px, 2.6vw, 26px) 0;
  border-top: 1px solid var(--line);
}

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

.page-news .news-brief__num {
  padding-top: 0.55em;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--gold);
}

.page-news .news-brief__text {
  margin: 0;
  max-width: 34em;
  font-family: var(--font-cond);
  font-size: clamp(1.04rem, 2.3vw, 1.46rem);
  line-height: 1.55;
  letter-spacing: 0.02em;
  color: var(--stone);
}

/* ---------- 记录区骨架 ---------- */
.page-news .news-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 4.4vw, 56px);
  margin-top: clamp(26px, 3.6vw, 44px);
}

.page-news .news-stage {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: clamp(26px, 3.6vw, 40px) 0 4px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-news .news-stage:first-child {
  margin-top: 0;
}

.page-news .news-stage::after {
  content: "";
  flex: 1 1 auto;
  height: 1px;
  background: linear-gradient(90deg, var(--line-strong), transparent);
}

/* ---------- 条目画布 ---------- */
.page-news .rel-list {
  position: relative;
  list-style: none;
  margin: 0 0 clamp(24px, 3.4vw, 40px);
  padding: 0 0 0 22px;
}

.page-news .rel-list::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, var(--gold) 0%, rgba(201, 162, 39, 0.18) 55%, rgba(201, 162, 39, 0) 100%);
}

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

.page-news .rel-item::before {
  content: "";
  position: absolute;
  left: -22px;
  top: 26px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--ink);
  border: 1px solid var(--line-strong);
}

.page-news .rel-item--release::before {
  border-color: var(--amber);
  box-shadow: 0 0 12px var(--glow-amber);
}

.page-news .rel-item--docs::before {
  border-color: var(--jade);
  box-shadow: 0 0 12px var(--glow-jade);
}

.page-news .rel-item--maintain::before {
  border-color: var(--clay);
}

.page-news .rel-item--topic::before {
  border-color: var(--moss);
}

.page-news .rel-details {
  padding: clamp(16px, 2.2vw, 24px) 0;
}

.page-news .rel-summary {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 14px;
  padding-right: 30px;
  cursor: pointer;
  list-style: none;
}

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

.page-news .rel-summary::after {
  content: "";
  position: absolute;
  right: 6px;
  top: 0.72em;
  width: 8px;
  height: 8px;
  border-right: 1px solid var(--gold);
  border-bottom: 1px solid var(--gold);
  transform: rotate(45deg);
  transition: transform 0.25s ease;
}

.page-news .rel-details[open] .rel-summary::after {
  transform: rotate(-135deg);
}

.page-news .rel-summary:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 4px;
}

.page-news .rel-title {
  order: 3;
  flex: 1 1 100%;
  font-family: var(--font-cond);
  font-size: clamp(1.02rem, 2vw, 1.2rem);
  line-height: 1.5;
  letter-spacing: 0.015em;
  color: var(--stone);
  transition: color 0.2s ease;
}

.page-news .rel-time {
  order: 2;
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--slate);
  white-space: nowrap;
}

.page-news .rel-summary:hover .rel-title,
.page-news .rel-details[open] .rel-title {
  color: var(--amber);
}

.page-news .rel-body {
  padding: 12px 0 2px;
}

.page-news .rel-body p {
  margin: 0;
  max-width: var(--w-text);
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--silver);
}

/* ---------- 右侧索引 ---------- */
.page-news .news-aside__inner {
  padding: clamp(18px, 2.6vw, 26px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(158deg, var(--ink-3) 0%, rgba(27, 53, 87, 0.28) 100%);
}

.page-news .news-aside__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-news .news-aside__title + .news-index,
.page-news .news-aside__title + .news-legend {
  margin-bottom: clamp(20px, 2.6vw, 28px);
}

.page-news .news-index,
.page-news .news-legend {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .news-index a {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 2px;
  border-bottom: 1px solid var(--line);
  color: var(--silver);
  font-size: 0.92rem;
  text-decoration: none;
  transition: color 0.2s ease, border-color 0.2s ease;
}

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

.page-news .news-index__num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--slate);
}

.page-news .news-legend li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 0;
}

.page-news .news-legend__num {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--slate);
}

.page-news .news-aside__note {
  margin: 0 0 14px;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--slate);
}

.page-news .news-aside .copybtn {
  width: 100%;
}

/* ---------- 维护公告 ---------- */
.page-news .news-maintain__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4.4vw, 52px);
  align-items: center;
}

.page-news .news-maintain__body .prose {
  margin-top: 14px;
}

.page-news .news-steps {
  list-style: none;
  margin: clamp(20px, 2.8vw, 30px) 0;
  padding: 0;
}

.page-news .news-steps__item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 4px 14px;
  align-items: start;
  padding: 14px 0;
  border-top: 1px solid var(--line);
}

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

.page-news .news-steps__num {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--gold);
}

.page-news .news-steps__item p {
  margin: 0;
  max-width: 36em;
  font-size: 0.96rem;
  line-height: 1.75;
  color: var(--silver);
}

.page-news .news-maintain .notice {
  margin: 0 0 20px;
}

.page-news .news-maintain__media img {
  border-radius: var(--radius-lg);
}

/* ---------- 专题观察 ---------- */
.page-news .news-topics__media {
  margin: 0 0 clamp(30px, 4.4vw, 52px);
}

.page-news .news-topics__list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 34px);
  margin-top: clamp(24px, 3.4vw, 40px);
}

.page-news .news-topic {
  position: relative;
  padding: clamp(18px, 2.6vw, 26px) 0 0;
  border-top: 1px solid var(--line-strong);
}

.page-news .news-topic::before {
  content: "";
  position: absolute;
  left: 0;
  top: -1px;
  width: 46px;
  height: 2px;
  background: var(--moss);
}

.page-news .news-topic__meta {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--slate);
}

.page-news .news-topic .h3 {
  margin: 0 0 10px;
}

.page-news .news-topic p:last-child {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.78;
  color: var(--silver);
}

/* ---------- 更新节奏 ---------- */
.page-news .news-cadence__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4.4vw, 56px);
  align-items: center;
}

.page-news .news-cadence__media img {
  border-radius: var(--radius-lg);
}

.page-news .news-cadence__body .prose {
  margin-top: 14px;
}

.page-news .news-stats {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  list-style: none;
  margin: clamp(22px, 3vw, 32px) 0;
  padding: 0;
}

.page-news .news-stats .stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
}

.page-news .news-stats .stat__num {
  font-family: var(--font-mono);
  font-size: 1.06rem;
  letter-spacing: 0.02em;
  color: var(--amber);
}

.page-news .news-stats .stat__label {
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--silver);
}

.page-news .news-cadence__tip {
  margin: 0 0 18px;
  max-width: var(--w-text);
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--slate);
}

/* ---------- 往期索引 ---------- */
.page-news .news-archive__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 34px);
  margin-top: clamp(24px, 3.4vw, 40px);
}

.page-news .news-archive__group {
  padding: clamp(18px, 2.4vw, 24px) 0 0;
  border-top: 1px solid var(--line-strong);
}

.page-news .news-archive__title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: 0 0 12px;
  font-size: 1rem;
  font-weight: 500;
}

.page-news .news-archive__count {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--slate);
}

.page-news .news-archive__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .news-archive__list li + li {
  border-top: 1px solid var(--line);
}

.page-news .news-archive__list a {
  display: block;
  padding: 11px 0;
  color: var(--silver);
  font-size: 0.92rem;
  line-height: 1.6;
  text-decoration: none;
  transition: color 0.2s ease;
}

.page-news .news-archive__list a:hover,
.page-news .news-archive__list a:focus-visible {
  color: var(--amber);
}

/* ---------- 去向 ---------- */
.page-news .news-next__list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  list-style: none;
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 0;
}

.page-news .news-next__list li {
  border-top: 1px solid var(--line);
}

.page-news .news-next__list li:last-child {
  border-bottom: 1px solid var(--line);
}

.page-news .news-next__list a {
  display: block;
  padding: clamp(16px, 2.2vw, 22px) 0;
  text-decoration: none;
  transition: transform 0.25s ease;
}

.page-news .news-next__list a:hover,
.page-news .news-next__list a:focus-visible {
  transform: translateX(4px);
}

.page-news .news-next__label {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-cond);
  font-size: 1.1rem;
  letter-spacing: 0.03em;
  color: var(--stone);
}

.page-news .news-next__list a:hover .news-next__label,
.page-news .news-next__list a:focus-visible .news-next__label {
  color: var(--amber);
}

.page-news .news-next__desc {
  display: block;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--slate);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-news .news-brief__item {
    grid-template-columns: 72px minmax(0, 1fr);
    gap: 8px 22px;
  }

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

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

  .page-news .news-next__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(24px, 4vw, 52px);
  }

  .page-news .news-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(20px, 3vw, 36px);
  }
}

@media (min-width: 900px) {
  .page-news .news-shell {
    grid-template-columns: minmax(0, 1fr) 264px;
    align-items: start;
  }

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

  .page-news .rel-summary {
    display: grid;
    grid-template-columns: 100px minmax(0, 1fr) 112px;
    align-items: baseline;
    gap: 6px 18px;
  }

  .page-news .rel-title {
    order: 0;
    flex: none;
  }

  .page-news .rel-time {
    order: 0;
    justify-self: end;
    margin-left: 0;
  }

  .page-news .rel-summary::after {
    top: 0.42em;
  }

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

  .page-news .news-cadence__media {
    order: 1;
  }

  .page-news .news-cadence__body {
    order: 2;
  }

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

@media (min-width: 1100px) {
  .page-news .news-hero__title {
    max-width: 16em;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-news .rel-summary::after,
  .page-news .rel-title,
  .page-news .news-next__list a,
  .page-news .news-index a {
    transition: none;
  }

  .page-news .news-next__list a:hover,
  .page-news .news-next__list a:focus-visible {
    transform: none;
  }
}