.page-news {
  --news-line: rgba(51, 67, 154, 0.5);
  --news-line-soft: rgba(51, 67, 154, 0.26);
}

.page-news [id] {
  scroll-margin-top: calc(var(--header-h) + 1.25rem);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  padding-block: clamp(1.5rem, 4vw, 2.75rem) clamp(1.5rem, 4vw, 2.5rem);
  overflow: hidden;
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 340px;
  background:
    radial-gradient(120% 100% at 88% 0%, rgba(34, 211, 238, 0.16), transparent 62%),
    linear-gradient(180deg, rgba(30, 42, 107, 0.6), transparent);
  pointer-events: none;
}

.page-news .news-hero > .container {
  position: relative;
}

.page-news .news-hero__grid {
  display: grid;
  gap: clamp(1.5rem, 3.5vw, 2.75rem);
  margin-top: clamp(1.25rem, 3vw, 2rem);
}

.page-news .news-hero__lead h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.05rem, 5.6vw, 4.1rem);
  line-height: 1.14;
  letter-spacing: 0.02em;
  margin: 0.5rem 0 0;
  color: var(--mist);
}

.page-news .news-hero__intro {
  margin: clamp(0.9rem, 2vw, 1.4rem) 0 0;
  max-width: 52ch;
  font-size: clamp(0.98rem, 1.4vw, 1.08rem);
  line-height: 1.78;
  color: var(--text-dim);
}

.page-news .news-pulse {
  margin: 0;
  border-top: 1px solid var(--news-line);
}

.page-news .news-pulse__row {
  display: grid;
  grid-template-columns: 5.6rem minmax(0, 1fr);
  gap: 0.75rem;
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--news-line-soft);
}

.page-news .news-pulse dt {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--cyan-l);
  padding-top: 0.15rem;
}

.page-news .news-pulse dd {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--mist);
}

.page-news .news-hero__media {
  margin: clamp(1.5rem, 3.5vw, 2.5rem) 0 0;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--news-line);
  background: var(--ink-800);
}

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

.page-news .news-hero__media .media__caption {
  padding: 0.6rem 0.85rem;
  font-size: 0.78rem;
  letter-spacing: 0.02em;
}

/* ---------- 区块头 ---------- */
.page-news .news-section__head {
  max-width: 58ch;
}

.page-news .news-section__note {
  margin: 0.6rem 0 0;
  font-size: 0.97rem;
  line-height: 1.75;
  color: var(--text-dim);
}

/* ---------- 过滤标签 ---------- */
.page-news .news-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: clamp(1.25rem, 2.6vw, 1.75rem) 0 clamp(1.5rem, 3vw, 2.25rem);
}

.page-news .news-filter {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  border: 1px solid var(--news-line);
  border-radius: var(--radius);
  padding: 0.45rem 0.8rem;
  text-decoration: none;
  background: rgba(18, 27, 74, 0.5);
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease), background-color 0.25s var(--ease);
}

.page-news .news-filter:hover,
.page-news .news-filter:focus-visible {
  color: var(--ink-900);
  background: var(--cyan);
  border-color: var(--cyan);
  outline: none;
}

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

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

.page-news .news-item__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.6rem;
  padding: clamp(1.05rem, 2.6vw, 1.55rem) 0 clamp(1.05rem, 2.6vw, 1.55rem) 1rem;
  border-left: 2px solid transparent;
  transition: border-color 0.28s var(--ease), background-color 0.28s var(--ease);
}

.page-news .news-item__inner:hover,
.page-news .news-item__inner:focus-within {
  border-left-color: var(--amber);
  background: linear-gradient(90deg, rgba(255, 159, 28, 0.08), transparent 62%);
}

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

.page-news .news-item__title {
  margin: 0 0 0.45rem;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1.02rem, 2vw, 1.24rem);
  line-height: 1.5;
  letter-spacing: 0.02em;
  color: var(--mist);
}

.page-news .news-item__desc {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.75;
  color: var(--text-dim);
  transition: color 0.28s var(--ease);
}

.page-news .news-item__inner:hover .news-item__desc,
.page-news .news-item__inner:focus-within .news-item__desc {
  color: var(--mist);
}

.page-news .news-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.9rem;
}

.page-news .tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  padding: 0.28rem 0.55rem;
  border-radius: var(--radius);
  border: 1px solid var(--news-line);
  color: var(--text-dim);
}

.page-news .tag--cyan {
  color: var(--cyan-l);
  border-color: rgba(34, 211, 238, 0.42);
  background: rgba(34, 211, 238, 0.08);
}

.page-news .tag--amber {
  color: var(--amber);
  border-color: rgba(255, 159, 28, 0.42);
  background: rgba(255, 159, 28, 0.08);
}

.page-news .news-item__link {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--cyan-l);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 211, 238, 0.32);
  padding-bottom: 2px;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

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

/* ---------- 专题带 ---------- */
.page-news .topic-rail {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(15.5rem, 82%);
  gap: clamp(0.85rem, 2vw, 1.15rem);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 0.25rem 0.25rem 1.15rem;
  margin-top: clamp(1.5rem, 3vw, 2.25rem);
}

.page-news .topic-rail > * {
  scroll-snap-align: start;
}

.page-news .topic-card {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--news-line);
  border-radius: var(--radius);
  transition: border-color 0.28s var(--ease), transform 0.28s var(--ease), box-shadow 0.28s var(--ease);
}

.page-news .topic-card:hover,
.page-news .topic-card:focus-within {
  border-color: rgba(34, 211, 238, 0.55);
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(7, 13, 38, 0.55);
}

.page-news .topic-card__media {
  aspect-ratio: 20 / 13;
  border-bottom: 1px solid var(--news-line);
  background: var(--ink-700);
}

.page-news .topic-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-news .topic-card__graphic {
  display: flex;
  align-items: flex-end;
  gap: 0.75rem;
  padding: 1.1rem 1.15rem 0;
}

.page-news .topic-card__num {
  font-family: var(--font-mono);
  font-size: 2.2rem;
  line-height: 1;
  letter-spacing: 0.04em;
  color: rgba(34, 211, 238, 0.62);
}

.page-news .topic-card__bar {
  flex: 1;
  height: 2px;
  margin-bottom: 0.5rem;
  background: linear-gradient(90deg, var(--cyan), rgba(51, 67, 154, 0.15));
}

.page-news .topic-card__body {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex: 1;
  padding: 1rem 1.15rem 1.25rem;
}

.page-news .topic-card__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.02rem;
  line-height: 1.5;
  letter-spacing: 0.02em;
  color: var(--mist);
}

.page-news .topic-card__desc {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.68;
  color: var(--text-dim);
}

.page-news .topic-card__for {
  margin: auto 0 0;
  padding-top: 0.6rem;
  border-top: 1px solid var(--news-line-soft);
  font-size: 0.78rem;
  line-height: 1.6;
  color: rgba(199, 206, 232, 0.7);
}

.page-news .topic-card__link {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 159, 28, 0.35);
  padding-bottom: 2px;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-news .topic-card__link:hover,
.page-news .topic-card__link:focus-visible {
  color: var(--mist);
  border-bottom-color: var(--cyan);
}

/* ---------- 版本日志 ---------- */
.page-news .log-layout {
  display: grid;
  gap: clamp(1.5rem, 3.5vw, 2.5rem);
}

.page-news .log-intro .section-title {
  margin-top: 0.35rem;
}

.page-news .log-figure {
  margin: clamp(1.25rem, 3vw, 1.85rem) 0 0;
  aspect-ratio: 2 / 1;
  border: 1px solid var(--news-line);
  background: var(--ink-800);
}

.page-news .log-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-news .log-figure .media__caption {
  padding: 0.6rem 0.85rem;
  font-size: 0.78rem;
}

.page-news .log-list {
  list-style: none;
  margin: 0;
  padding: 0 0 0 clamp(1rem, 3vw, 1.6rem);
  border-left: 1px solid var(--news-line);
  display: grid;
  gap: 0.7rem;
}

.page-news .log-list > li {
  position: relative;
}

.page-news .log-list > li::before {
  content: "";
  position: absolute;
  left: calc(-1 * clamp(1rem, 3vw, 1.6rem) - 3.5px);
  top: 1.4rem;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ink-900);
  border: 1px solid var(--cyan);
}

.page-news .log-list > li:first-child::before {
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(34, 211, 238, 0.16);
}

.page-news .log-item {
  border: 1px solid var(--news-line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(30, 42, 107, 0.55), rgba(18, 27, 74, 0.7));
  transition: border-color 0.28s var(--ease);
}

.page-news .log-item:hover,
.page-news .log-item[open] {
  border-color: rgba(34, 211, 238, 0.5);
}

.page-news .log-item > summary {
  list-style: none;
  cursor: pointer;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 1rem;
  gap: 0.3rem 0.75rem;
  align-items: baseline;
  padding: 0.95rem 1.1rem;
}

.page-news .log-item > summary::-webkit-details-marker {
  display: none;
}

.page-news .log-item > summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-news .log-item__ver {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--amber);
}

.page-news .log-item__name {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.02em;
  color: var(--mist);
  line-height: 1.5;
}

.page-news .log-item__sign {
  position: relative;
  width: 1rem;
  height: 1rem;
  justify-self: end;
  align-self: center;
}

.page-news .log-item__sign::before,
.page-news .log-item__sign::after {
  content: "";
  position: absolute;
  background: var(--cyan);
  border-radius: 1px;
  transition: transform 0.26s var(--ease), opacity 0.26s var(--ease);
}

.page-news .log-item__sign::before {
  left: 0;
  right: 0;
  top: calc(50% - 1px);
  height: 2px;
}

.page-news .log-item__sign::after {
  top: 0;
  bottom: 0;
  left: calc(50% - 1px);
  width: 2px;
}

.page-news .log-item[open] .log-item__sign::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-news .log-item__body {
  padding: 0.2rem 1.1rem 1.15rem;
  border-top: 1px solid var(--news-line-soft);
}

.page-news .log-item__body ul {
  margin: 0.85rem 0 0;
  padding-left: 1.05rem;
  display: grid;
  gap: 0.45rem;
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--text-dim);
}

/* ---------- 按标签浏览 ---------- */
.page-news .browse-grid {
  display: grid;
  gap: clamp(0.9rem, 2.4vw, 1.35rem);
  margin-top: clamp(1.5rem, 3vw, 2.25rem);
}

.page-news .browse-group {
  padding: 1.1rem 1.15rem 1.35rem;
  border-top: 2px solid var(--cyan);
  background: linear-gradient(180deg, rgba(18, 27, 74, 0.88), rgba(10, 17, 48, 0.42));
  border-radius: var(--radius);
}

.page-news .browse-group:nth-child(2n) {
  border-top-color: var(--amber);
}

.page-news .browse-group__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.04em;
  color: var(--mist);
}

.page-news .browse-list {
  list-style: none;
  margin: 0.8rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.page-news .browse-list a {
  display: inline-block;
  font-size: 0.92rem;
  line-height: 1.65;
  color: var(--text-dim);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.24s var(--ease), border-color 0.24s var(--ease);
}

.page-news .browse-list a:hover,
.page-news .browse-list a:focus-visible {
  color: var(--mist);
  border-bottom-color: var(--cyan);
}

/* ---------- 结尾行动 ---------- */
.page-news .news-cta__panel {
  display: grid;
  gap: 1.25rem;
  padding: clamp(1.35rem, 4vw, 2.5rem);
  border: 1px solid var(--news-line);
  border-left: 3px solid var(--amber);
  border-radius: var(--radius);
  background: linear-gradient(120deg, rgba(255, 159, 28, 0.14), rgba(34, 211, 238, 0.1) 58%, rgba(18, 27, 74, 0.65));
}

.page-news .news-cta__title {
  margin: 0.35rem 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.4rem, 3.2vw, 2.1rem);
  letter-spacing: 0.02em;
  color: var(--mist);
}

.page-news .news-cta__text {
  margin: 0.75rem 0 0;
  max-width: 56ch;
  font-size: 0.96rem;
  line-height: 1.78;
  color: var(--text-dim);
}

.page-news .news-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-news .news-item__time {
    font-size: 0.76rem;
  }

  .page-news .log-item > summary {
    grid-template-columns: 9.5rem minmax(0, 1fr) 1rem;
    align-items: center;
  }
}

@media (min-width: 900px) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: end;
  }

  .page-news .news-hero__media {
    aspect-ratio: 8 / 3;
  }

  .page-news .news-item__inner {
    grid-template-columns: 7.5rem minmax(0, 1fr) 11rem;
    align-items: start;
  }

  .page-news .news-item__meta {
    justify-content: flex-end;
    text-align: right;
  }
}

@media (min-width: 940px) {
  .page-news .log-layout {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }
}

@media (min-width: 1000px) {
  .page-news .topic-rail {
    grid-auto-flow: row;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    grid-auto-columns: auto;
    overflow: visible;
    padding: 0.25rem 0 0;
  }
}

@media (min-width: 760px) {
  .page-news .browse-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1120px) {
  .page-news .browse-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .news-cta__panel {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    align-items: center;
  }

  .page-news .news-cta__actions {
    justify-content: flex-end;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-item__inner,
  .page-news .topic-card,
  .page-news .log-item,
  .page-news .log-item__sign::before,
  .page-news .log-item__sign::after,
  .page-news .news-filter,
  .page-news .browse-list a,
  .page-news .news-item__link,
  .page-news .topic-card__link {
    transition: none;
  }

  .page-news .topic-card:hover,
  .page-news .topic-card:focus-within {
    transform: none;
  }
}