.page-news {
  background: var(--ink-deep);
  color: var(--star);
}

.page-news a:focus-visible,
.page-news summary:focus-visible {
  outline: 2px solid var(--pulse);
  outline-offset: 3px;
}

/* ---------- 面包屑 ---------- */
.page-news .crumbs {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: clamp(18px, 3vw, 28px) 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--dust);
}

.page-news .crumbs a {
  color: var(--pulse);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--fast) var(--ease);
}

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

.page-news .crumbs__sep {
  color: var(--line-orbit);
}

/* ---------- 通用章节头 ---------- */
.page-news .eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--pulse);
}

.page-news h2 {
  font-weight: 200;
  letter-spacing: 0.06em;
  line-height: 1.22;
  margin: 0;
}

.page-news .section-head {
  max-width: 64ch;
  margin-bottom: clamp(22px, 3vw, 34px);
}

.page-news .section-head h2 {
  font-size: clamp(1.5rem, 3.6vw, 2.4rem);
  margin-bottom: 14px;
}

.page-news .section-head p {
  margin: 0;
  color: var(--dust);
}

/* ---------- 首屏声明 ---------- */
.news-masthead {
  position: relative;
  padding: clamp(34px, 6vw, 76px) 0 clamp(26px, 4vw, 46px);
  border-bottom: 1px solid var(--line-orbit);
  background-image: radial-gradient(circle at 84% 14%, rgba(122, 92, 255, 0.3), transparent 58%);
}

.news-masthead__inner {
  position: relative;
}

.news-masthead__title {
  max-width: 22ch;
  margin: 0;
  font-size: clamp(2rem, 6vw, 4rem);
  font-weight: 200;
  letter-spacing: 0.05em;
  line-height: 1.16;
}

.news-masthead__lede {
  max-width: 60ch;
  margin: clamp(20px, 3vw, 30px) 0 0;
  font-size: 1rem;
  line-height: 1.9;
  color: var(--star);
  opacity: 0.86;
}

.news-ticker {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 34px;
  margin: clamp(26px, 4vw, 42px) 0 0;
  padding: clamp(16px, 2.4vw, 22px) 0 0;
  border-top: 1px solid var(--line-orbit);
  list-style: none;
}

.news-ticker__item {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
}

.news-ticker__key {
  color: var(--dust);
}

.news-ticker__val {
  color: var(--star);
  font-size: 14px;
}

/* ---------- 置顶本期 ---------- */
.news-feature {
  padding: clamp(34px, 5vw, 68px) 0 0;
  scroll-margin-top: 96px;
}

.feature-card {
  position: relative;
  padding: clamp(24px, 4vw, 52px);
  background: var(--paper);
  color: var(--ink-deep);
  border: 3px solid var(--nebula);
  box-shadow: 12px 12px 0 rgba(122, 92, 255, 0.45);
}

.feature-card__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-bottom: 18px;
}

.feature-card__ver {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ink-deep);
  padding: 4px 10px;
  border: 2px solid var(--ink-deep);
}

.feature-card__title {
  font-size: clamp(1.6rem, 4vw, 2.6rem);
  margin-bottom: 18px;
}

.feature-card__body {
  max-width: 62ch;
  margin: 0 0 clamp(22px, 3vw, 32px);
  font-size: 1rem;
  line-height: 1.85;
  color: #253154;
}

.feature-facts {
  display: grid;
  gap: 0;
  margin: 0 0 clamp(24px, 3vw, 34px);
  border-top: 2px solid var(--ink-deep);
}

.feature-facts__row {
  display: grid;
  gap: 6px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(5, 7, 15, 0.2);
}

.feature-facts__row dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--shadow-deep);
  opacity: 0.8;
}

.feature-facts__row dd {
  margin: 0;
  font-size: 0.98rem;
  line-height: 1.7;
  color: var(--ink-deep);
}

.feature-figure {
  margin: 0 0 clamp(22px, 3vw, 30px);
  border: 2px solid var(--ink-deep);
  background: var(--ink-night);
}

.feature-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.ver-jump {
  display: flex;
  flex-wrap: wrap;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 2px solid var(--ink-deep);
}

.ver-jump li {
  flex: 1 1 0;
  min-width: 96px;
  border-right: 2px solid var(--ink-deep);
}

.ver-jump li:last-child {
  border-right: 0;
}

.ver-jump a {
  position: relative;
  display: block;
  padding: 16px 10px 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--ink-deep);
  text-decoration: none;
  transition: background var(--fast) var(--ease), color var(--fast) var(--ease);
}

.ver-jump a::before {
  content: "";
  position: absolute;
  top: -6px;
  left: 10px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--ink-deep);
  transition: background var(--fast) var(--ease);
}

.ver-jump a:hover,
.ver-jump a:focus-visible {
  background: var(--nebula);
  color: var(--star);
}

.ver-jump a:hover::before,
.ver-jump a:focus-visible::before {
  background: var(--pulse);
}

/* ---------- 条目流 ---------- */
.news-log {
  padding: clamp(48px, 7vw, 100px) 0 clamp(36px, 5vw, 64px);
  background: var(--ink-night);
  border-top: 1px solid var(--line-orbit);
  border-bottom: 1px solid var(--line-orbit);
}

.log-banner {
  margin: 0 0 clamp(30px, 4vw, 48px);
}

.log-layout {
  display: grid;
  gap: 30px;
}

.log-rail {
  align-self: start;
}

.log-rail__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--dust);
}

.log-rail__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 8px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.log-rail__list li {
  flex: 0 0 auto;
}

.log-tag {
  display: block;
  padding: 12px 16px;
  border: 1px solid var(--line-orbit);
  border-left: 4px solid var(--nebula);
  background: var(--ink-deep);
  color: var(--star);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  white-space: nowrap;
  text-decoration: none;
  transition: transform var(--fast) var(--ease), border-color var(--fast) var(--ease), background var(--fast) var(--ease);
}

.log-tag:hover,
.log-tag:focus-visible {
  transform: translateX(4px);
  border-color: var(--pulse);
  border-left-color: var(--pulse);
  background: var(--ink-night);
}

.log-rail__note {
  display: none;
  margin: 18px 0 0;
  font-size: 0.86rem;
  line-height: 1.8;
  color: var(--dust);
}

.log-stream {
  min-width: 0;
}

.log-group {
  scroll-margin-top: 96px;
}

.log-group + .log-group {
  margin-top: clamp(38px, 5vw, 60px);
  padding-top: clamp(28px, 4vw, 44px);
  border-top: 1px dashed var(--line-orbit);
}

.log-group__title {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 0 0 22px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--line-orbit);
  font-size: 1.1rem;
  font-weight: 300;
  letter-spacing: 0.1em;
  color: var(--star);
}

.log-group__code {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  background: var(--nebula);
  color: var(--star);
  font-family: var(--font-mono);
  font-size: 14px;
}

.entry-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.entry {
  padding: 20px 22px;
  border: 1px solid var(--line-orbit);
  border-left: 3px solid var(--nebula);
  background: var(--ink-deep);
  scroll-margin-top: 96px;
  transition: transform var(--fast) var(--ease), border-color var(--fast) var(--ease), box-shadow var(--fast) var(--ease);
}

.entry:hover,
.entry:focus-within {
  transform: translateY(-3px);
  border-color: var(--pulse);
  border-left-color: var(--pulse);
  box-shadow: 7px 7px 0 rgba(122, 92, 255, 0.4);
}

.entry__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--dust);
}

.entry__code {
  color: var(--pulse);
}

.entry__time {
  padding: 2px 9px;
  border: 1px solid var(--line-orbit);
  color: var(--star);
}

.entry__scope {
  transition: color var(--fast) var(--ease);
}

.entry:hover .entry__scope {
  color: var(--nebula);
}

.entry__title {
  margin: 0 0 10px;
  font-size: 1.06rem;
  font-weight: 400;
  letter-spacing: 0.02em;
  line-height: 1.6;
  color: var(--star);
}

.entry__text {
  margin: 0;
  max-width: 66ch;
  font-size: 0.96rem;
  line-height: 1.88;
  color: var(--dust);
}

/* ---------- 专题系列 ---------- */
.news-series {
  padding: clamp(48px, 7vw, 100px) 0;
  background-image: radial-gradient(circle at 12% 22%, rgba(57, 230, 208, 0.12), transparent 55%);
}

.series-layout {
  display: grid;
  gap: clamp(30px, 4vw, 56px);
}

.series-side h2 {
  font-size: clamp(1.7rem, 4vw, 2.8rem);
  margin-bottom: 16px;
}

.series-lede {
  max-width: 46ch;
  margin: 0 0 clamp(22px, 3vw, 32px);
  color: var(--dust);
  line-height: 1.88;
}

.series-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.series-item {
  border: 1px solid var(--line-orbit);
  border-top: 3px solid var(--nebula);
  background: var(--ink-night);
  transition: border-color var(--fast) var(--ease);
}

.series-item:hover {
  border-color: var(--pulse);
}

.series-item__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 18px 20px;
  cursor: pointer;
  list-style: none;
}

.series-item__head::-webkit-details-marker {
  display: none;
}

.series-item__head::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--dust);
}

.series-item[open] .series-item__head::after {
  content: "–";
  color: var(--pulse);
}

.series-item__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--pulse);
  white-space: nowrap;
}

.series-item__name {
  font-size: 1.02rem;
  line-height: 1.6;
  color: var(--star);
}

.series-item__body {
  padding: 0 20px 20px;
  border-top: 1px dashed var(--line-orbit);
  margin-top: 2px;
}

.series-item__body p {
  margin: 16px 0 0;
  font-size: 0.95rem;
  line-height: 1.88;
  color: var(--dust);
}

/* ---------- 节奏与回看 ---------- */
.news-cadence {
  padding: clamp(44px, 6vw, 88px) 0;
  background: var(--ink-night);
  border-top: 1px solid var(--line-orbit);
}

.cadence-grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
}

.cadence-copy p {
  margin: 0 0 18px;
  max-width: 58ch;
  line-height: 1.88;
  color: var(--star);
}

.cadence-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
}

.cadence-item {
  display: grid;
  gap: 6px;
  padding: 14px 16px;
  border-left: 4px solid var(--nebula);
  background: var(--ink-deep);
}

.cadence-item__key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--pulse);
}

.cadence-item__val {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--star);
}

.cadence-note {
  margin: 0;
  max-width: 58ch;
  font-size: 0.92rem;
  line-height: 1.88;
  color: var(--dust);
}

.cadence-note .link {
  color: var(--pulse);
}

/* ---------- 更新提醒 ---------- */
.news-notify {
  padding: clamp(44px, 6vw, 88px) 0 clamp(56px, 8vw, 110px);
}

.notify-panel {
  padding: clamp(26px, 4vw, 48px);
  border: 3px solid var(--pulse);
  background: var(--ink-deep);
  box-shadow: 12px 12px 0 var(--shadow-deep);
}

.notify-panel h2 {
  font-size: clamp(1.5rem, 3.6vw, 2.3rem);
  margin-bottom: 18px;
  max-width: 24ch;
}

.notify-panel > p {
  max-width: 62ch;
  margin: 0 0 clamp(22px, 3vw, 32px);
  line-height: 1.9;
  color: var(--dust);
}

.notify-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.notify-actions .btn {
  display: inline-block;
  padding: 13px 22px;
  min-height: 44px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  text-decoration: none;
  border: 2px solid var(--pulse);
  background: var(--pulse);
  color: var(--ink-deep);
  transition: transform var(--fast) var(--ease), background var(--fast) var(--ease), color var(--fast) var(--ease);
}

.notify-actions .btn:hover,
.notify-actions .btn:focus-visible {
  transform: translateY(-3px);
}

.notify-actions .btn--ghost {
  background: transparent;
  color: var(--pulse);
}

.notify-actions .btn--ghost:hover,
.notify-actions .btn--ghost:focus-visible {
  background: var(--nebula);
  border-color: var(--nebula);
  color: var(--star);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .feature-facts__row {
    grid-template-columns: 200px minmax(0, 1fr);
    align-items: baseline;
    gap: 18px;
  }
}

@media (min-width: 900px) {
  .log-layout {
    grid-template-columns: 208px minmax(0, 1fr);
    gap: clamp(32px, 4vw, 60px);
  }

  .log-rail {
    position: sticky;
    top: 96px;
  }

  .log-rail__list {
    flex-direction: column;
    gap: 8px;
    padding-bottom: 0;
    overflow: visible;
  }

  .log-rail__list li {
    flex: 1 1 auto;
  }

  .log-rail__note {
    display: block;
  }

  .entry-list > .entry:nth-child(3n + 2) {
    width: 92%;
    margin-left: auto;
  }

  .entry-list > .entry:nth-child(3n + 3) {
    width: 95%;
  }

  .cadence-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: center;
  }
}

@media (min-width: 960px) {
  .series-layout {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: start;
  }

  .series-side {
    position: sticky;
    top: 96px;
  }
}

@media (max-width: 480px) {
  .news-ticker {
    gap: 10px 20px;
  }

  .ver-jump li {
    flex: 1 1 46%;
    min-width: 0;
    border-bottom: 2px solid var(--ink-deep);
  }

  .ver-jump li:nth-child(2n) {
    border-right: 0;
  }

  .ver-jump li:nth-last-child(-n + 2) {
    border-bottom: 0;
  }

  .entry {
    padding: 18px 16px;
  }

  .notify-actions .btn {
    flex: 1 1 100%;
    text-align: center;
  }
}