.page-news {
  --news-gap: clamp(1.5rem, 4vw, 3.5rem);
  --news-card-gap: 0.9rem;
  background: var(--deep);
  color: var(--starlight);
}

.page-news .breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1.5rem 0 0;
  font-size: var(--fs-xs);
  letter-spacing: 0.08em;
  color: var(--obs);
}

.page-news .breadcrumb a {
  color: var(--obs);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-news .breadcrumb a:hover {
  color: var(--pulse);
  border-bottom-color: var(--pulse);
}

.page-news .breadcrumb [aria-current="page"] {
  color: var(--starlight);
}

/* ---------- 首屏 ---------- */

.page-news .news-hero {
  margin-top: 1.25rem;
  border-top: 1px solid var(--orbit);
  border-bottom: 1px solid var(--orbit);
}

.page-news .news-hero__media {
  position: relative;
  height: clamp(190px, 32vw, 340px);
  overflow: hidden;
  background: var(--nebula);
}

.page-news .news-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.6;
}

.page-news .news-hero__inner {
  padding: clamp(1.75rem, 4vw, 3rem) 0 clamp(2rem, 5vw, 3.5rem);
}

.page-news .news-hero__eyebrow {
  margin: 0 0 0.9rem;
  font-size: var(--fs-xs);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--violet);
}

.page-news .news-hero__title {
  margin: 0;
  display: grid;
  gap: 0.6rem;
}

.page-news .news-hero__title-main {
  display: block;
  font-size: clamp(2rem, 6.2vw, var(--fs-4xl));
  font-weight: 800;
  letter-spacing: 0.04em;
  line-height: 1.08;
  color: var(--starlight);
}

.page-news .news-hero__title-sub {
  display: block;
  max-width: 34ch;
  font-size: var(--fs-sm);
  font-weight: 400;
  letter-spacing: 0.01em;
  line-height: 1.7;
  color: var(--obs);
}

.page-news .news-hero__lead {
  max-width: 60ch;
  margin: 1.5rem 0 0;
  font-size: var(--fs-sm);
  line-height: 1.85;
  color: var(--starlight);
}

.page-news .news-hero__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin: 2rem 0 0;
  padding: 1.25rem 0 0;
  list-style: none;
  border-top: 1px solid var(--orbit);
}

.page-news .news-hero__stat {
  display: grid;
  gap: 0.3rem;
}

.page-news .news-hero__stat-num {
  font-size: clamp(1.4rem, 4vw, var(--fs-xl));
  font-weight: 700;
  color: var(--pulse);
  letter-spacing: 0.02em;
}

.page-news .news-hero__stat-label {
  font-size: var(--fs-xs);
  line-height: 1.6;
  color: var(--obs);
}

/* ---------- 索引区 ---------- */

.page-news .news-stream {
  padding: clamp(3rem, 7vw, 5.5rem) 0;
}

.page-news .section-head {
  max-width: 62ch;
  margin-bottom: var(--news-gap);
}

.page-news .section-head__index {
  margin: 0 0 0.75rem;
  font-size: var(--fs-xs);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--violet);
}

.page-news .section-head__title {
  margin: 0 0 0.9rem;
  font-size: clamp(1.5rem, 4.4vw, var(--fs-2xl));
  font-weight: 800;
  letter-spacing: 0.03em;
  line-height: 1.2;
  color: var(--starlight);
}

.page-news .section-head__lead {
  margin: 0;
  font-size: var(--fs-sm);
  line-height: 1.85;
  color: var(--obs);
}

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

/* 检索轴 */

.page-news .news-axis {
  border-top: 1px solid var(--orbit);
  padding-top: 1.5rem;
}

.page-news .news-axis__title {
  margin: 0 0 1rem;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--obs);
}

.page-news .news-axis__nav {
  margin: 0 0 1.75rem;
  padding: 0;
  list-style: none;
}

.page-news .news-axis__nav a {
  display: flex;
  align-items: baseline;
  gap: 0.85rem;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--orbit);
  color: var(--starlight);
  font-size: var(--fs-sm);
  text-decoration: none;
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-news .news-axis__nav a .mono {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.1em;
  color: var(--violet);
}

.page-news .news-axis__nav a:hover {
  color: var(--pulse);
  border-bottom-color: var(--pulse);
}

.page-news .news-axis__group {
  margin-bottom: 1.5rem;
}

.page-news .news-axis__label {
  margin: 0 0 0.5rem;
  font-size: var(--fs-xs);
  letter-spacing: 0.14em;
  color: var(--pulse);
}

.page-news .news-axis__list {
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: var(--fs-xs);
  line-height: 1.95;
  color: var(--obs);
}

.page-news .news-axis__list .mono {
  font-family: var(--font-mono);
  color: var(--starlight);
}

.page-news .news-axis__swatch {
  display: inline-block;
  width: 0.7rem;
  height: 0.7rem;
  margin-right: 0.4rem;
  border: 1px solid var(--orange);
  vertical-align: middle;
}

/* 卡片列表 */

.page-news .news-list {
  display: grid;
  gap: var(--news-card-gap);
  align-content: start;
}

.page-news .news-card {
  background: var(--paper);
  color: var(--ink);
  border: 1px solid var(--paper-line);
  padding: 1.15rem 1.15rem 1.3rem;
  transition: border-color 200ms var(--ease);
}

.page-news .news-card:hover {
  border-color: var(--violet);
}

.page-news .news-card__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem 1rem;
}

.page-news .news-card__verline {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0;
}

.page-news .news-card__ver {
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--ink);
  padding: 0.1rem 0.5rem;
  border: 1px solid var(--violet);
}

.page-news .copy-btn {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  background: transparent;
  border: 1px solid var(--paper-line);
  padding: 0.15rem 0.5rem;
  cursor: pointer;
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-news .copy-btn:hover,
.page-news .copy-btn:focus-visible {
  color: var(--ink);
  border-color: var(--orange);
}

.page-news .news-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .news-card__tag {
  font-size: var(--fs-xs);
  letter-spacing: 0.05em;
  color: var(--ink-soft);
  border: 1px solid var(--paper-line);
  padding: 0.1rem 0.45rem;
}

.page-news .news-card__tag--watch {
  color: var(--ink);
  border-color: var(--orange);
}

.page-news .news-card__tag--calm {
  color: var(--ink-soft);
  border-style: dashed;
}

.page-news .news-card__h {
  margin: 0.85rem 0 0;
  font-size: var(--fs-md);
}

.page-news .news-card__trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: 100%;
  padding: 0;
  border: 0;
  background: none;
  text-align: left;
  font: inherit;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--ink);
  cursor: pointer;
}

.page-news .news-card__sign {
  flex: none;
  font-family: var(--font-mono);
  font-size: var(--fs-md);
  line-height: 1;
  color: var(--violet);
}

.page-news .news-card__sign::before {
  content: "+";
}

.page-news .news-card__trigger[aria-expanded="true"] .news-card__sign::before {
  content: "−";
}

.page-news .news-card__when {
  margin: 0.5rem 0 0;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.06em;
  color: var(--ink-soft);
}

.page-news .news-card__panel {
  margin-top: 0.9rem;
  padding-top: 0.9rem;
  border-top: 1px dashed var(--paper-line);
}

.page-news .news-card__points {
  margin: 0;
  padding-left: 1.1rem;
  font-size: var(--fs-sm);
  line-height: 1.85;
  color: var(--ink);
}

.page-news .news-card__points li + li {
  margin-top: 0.35rem;
}

.page-news .news-card__scope {
  margin: 0.85rem 0 0;
  font-size: var(--fs-xs);
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-news .news-card__more {
  margin: 0.7rem 0 0;
}

.page-news .news-card__more a {
  display: inline-block;
  font-size: var(--fs-xs);
  letter-spacing: 0.04em;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--ink);
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-news .news-card__more a:hover {
  color: var(--violet);
  border-bottom-color: var(--violet);
}

/* ---------- 已知问题 ---------- */

.page-news .known {
  padding: clamp(3rem, 7vw, 5.5rem) 0;
  background: var(--nebula);
  border-top: 1px solid var(--orbit);
  border-bottom: 1px solid var(--orbit);
}

.page-news .known__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 3.5rem);
}

.page-news .known__index {
  margin: 0 0 0.75rem;
  font-size: var(--fs-xs);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--violet);
}

.page-news .known__title {
  margin: 0 0 1rem;
  font-size: clamp(1.5rem, 4.4vw, var(--fs-2xl));
  font-weight: 800;
  letter-spacing: 0.03em;
  line-height: 1.2;
  color: var(--starlight);
}

.page-news .known__lead {
  margin: 0;
  font-size: var(--fs-sm);
  line-height: 1.85;
  color: var(--obs);
}

.page-news .known__figure {
  margin: 1.75rem 0 0;
  border: 1px solid var(--orbit);
}

.page-news .known__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  opacity: 0.85;
}

.page-news .known__list {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--orbit);
  border: 1px solid var(--orbit);
}

.page-news .known__item {
  background: var(--deep);
  padding: 1.35rem 1.35rem 1.5rem;
}

.page-news .known__ver {
  margin: 0 0 0.5rem;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.08em;
  color: var(--pulse);
}

.page-news .known__item-title {
  margin: 0 0 0.6rem;
  font-size: var(--fs-md);
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--starlight);
}

.page-news .known__text {
  margin: 0;
  font-size: var(--fs-sm);
  line-height: 1.85;
  color: var(--obs);
}

.page-news .known__link {
  display: inline-block;
  margin-top: 1rem;
  font-size: var(--fs-xs);
  letter-spacing: 0.05em;
  color: var(--orange);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 180ms var(--ease);
}

.page-news .known__link:hover {
  border-bottom-color: var(--orange);
}

/* ---------- 版本号命名 ---------- */

.page-news .naming {
  padding: clamp(3rem, 7vw, 5rem) 0;
  background: var(--paper);
  color: var(--ink);
}

.page-news .naming__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 3.5rem);
}

.page-news .naming__index {
  margin: 0 0 0.75rem;
  font-size: var(--fs-xs);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--violet);
}

.page-news .naming__title {
  margin: 0 0 1rem;
  font-size: clamp(1.5rem, 4.4vw, var(--fs-2xl));
  font-weight: 800;
  letter-spacing: 0.03em;
  line-height: 1.2;
  color: var(--ink);
}

.page-news .naming__lead {
  max-width: 54ch;
  margin: 0 0 1.75rem;
  font-size: var(--fs-sm);
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-news .naming__code {
  display: flex;
  align-items: baseline;
  gap: 0.35rem;
  padding: 1.1rem 1.35rem;
  background: var(--deep);
  border: 1px solid var(--orbit);
}

.page-news .naming__seg {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 5vw, var(--fs-2xl));
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--starlight);
}

.page-news .naming__seg--fix {
  color: var(--pulse);
}

.page-news .naming__dot {
  font-family: var(--font-mono);
  font-size: var(--fs-lg);
  color: var(--obs);
}

.page-news .naming__rules {
  margin: 1.75rem 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--paper-line);
}

.page-news .naming__rule {
  display: grid;
  grid-template-columns: 4.5rem minmax(0, 1fr);
  gap: 1rem;
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--paper-line);
}

.page-news .naming__rule-key {
  font-family: var(--font-mono);
  font-size: var(--fs-md);
  font-weight: 700;
  color: var(--violet);
  letter-spacing: 0.04em;
}

.page-news .naming__rule-text {
  font-size: var(--fs-sm);
  line-height: 1.85;
  color: var(--ink);
}

.page-news .naming__figure {
  border: 1px solid var(--paper-line);
  background: var(--deep);
}

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

.page-news .naming__caption {
  margin: 0;
  padding: 0.9rem 1.1rem;
  font-size: var(--fs-xs);
  letter-spacing: 0.06em;
  color: var(--obs);
  border-top: 1px solid var(--orbit);
}

/* ---------- 历史归档 ---------- */

.page-news .archive {
  padding: clamp(3rem, 7vw, 5.5rem) 0;
  background: var(--deep);
}

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

.page-news .archive__item {
  display: grid;
  gap: 0.5rem;
  padding: 1.5rem 1.35rem;
  background: var(--deep);
}

.page-news .archive__stage {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--violet);
}

.page-news .archive__count {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-2xl);
  font-weight: 700;
  line-height: 1;
  color: var(--starlight);
}

.page-news .archive__note {
  margin: 0;
  font-size: var(--fs-sm);
  line-height: 1.8;
  color: var(--obs);
}

/* ---------- 订阅 ---------- */

.page-news .subscribe {
  padding: clamp(3rem, 7vw, 5rem) 0;
  background: var(--paper);
  color: var(--ink);
  border-top: 1px solid var(--paper-line);
}

.page-news .subscribe__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 3.5rem);
}

.page-news .subscribe__index {
  margin: 0 0 0.75rem;
  font-size: var(--fs-xs);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--violet);
}

.page-news .subscribe__title {
  margin: 0 0 1rem;
  font-size: clamp(1.5rem, 4.4vw, var(--fs-2xl));
  font-weight: 800;
  letter-spacing: 0.03em;
  line-height: 1.2;
  color: var(--ink);
}

.page-news .subscribe__lead {
  max-width: 54ch;
  margin: 0 0 1.75rem;
  font-size: var(--fs-sm);
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-news .subscribe__legend {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--paper-line);
}

.page-news .subscribe__dim {
  display: grid;
  grid-template-columns: 0.9rem 6rem minmax(0, 1fr);
  align-items: baseline;
  gap: 0.5rem 0.9rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--paper-line);
}

.page-news .subscribe__swatch {
  width: 0.7rem;
  height: 0.7rem;
  transform: translateY(-0.05rem);
}

.page-news .subscribe__swatch--violet {
  background: var(--violet);
}

.page-news .subscribe__swatch--pulse {
  background: var(--pulse);
}

.page-news .subscribe__swatch--orange {
  background: var(--orange);
}

.page-news .subscribe__dim-name {
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--ink);
}

.page-news .subscribe__dim-text {
  font-size: var(--fs-sm);
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-news .subscribe__action {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.9rem 1.25rem;
  margin: 1.75rem 0 0;
}

.page-news .subscribe__action-note {
  font-size: var(--fs-xs);
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-news .subscribe__figure {
  border: 1px solid var(--paper-line);
  background: var(--deep);
}

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

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-news .known__grid {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    align-items: start;
  }

  .page-news .naming__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: center;
  }

  .page-news .subscribe__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: center;
  }

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

  .page-news .news-card {
    padding: 1.4rem 1.6rem 1.6rem;
  }
}

@media (min-width: 900px) {
  .page-news .news-stream__grid {
    grid-template-columns: 14.5rem minmax(0, 1fr);
    gap: clamp(2.5rem, 5vw, 4rem);
  }

  .page-news .news-axis__sticky {
    position: sticky;
    top: 7rem;
  }

  .page-news .news-hero__title-sub {
    font-size: var(--fs-md);
  }

  .page-news .news-hero__lead {
    font-size: var(--fs-md);
  }
}

@media (min-width: 1100px) {
  .page-news .news-hero__stats {
    grid-template-columns: repeat(3, minmax(0, 12rem));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-card,
  .page-news .copy-btn,
  .page-news .news-axis__nav a,
  .page-news .news-card__more a,
  .page-news .known__link,
  .page-news .breadcrumb a {
    transition: none;
  }
}