.page-news {
  --news-rail-w: 88px;
  --news-ease: var(--ease);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  padding-block: clamp(20px, 4vw, 40px) clamp(44px, 7vw, 96px);
}

.page-news .news-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 56px);
  align-items: center;
  margin-top: clamp(22px, 4vw, 44px);
}

@media (min-width: 920px) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  }
}

.page-news .news-hero__copy .display-1 {
  margin-top: 14px;
}

.page-news .news-hero__copy .lede {
  margin-top: 18px;
  max-width: 48ch;
}

.page-news .news-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 30px);
}

.page-news .news-hero__media .media__img {
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

/* 版本速览条 */
.page-news .news-versionbar {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: clamp(26px, 4vw, 40px) 0 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-news .news-versionbar > div {
  padding: 14px 8px 16px;
}

.page-news .news-versionbar > div + div {
  border-left: 1px solid var(--line-soft);
  padding-left: 14px;
}

.page-news .news-versionbar dt {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-news .news-versionbar dd {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-size: 1.0625rem;
  letter-spacing: 0.04em;
  color: var(--gold-soft);
}

/* ---------- 章节头 ---------- */
.page-news .news-section__head {
  max-width: 62ch;
}

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

/* ---------- 时间线 ---------- */
.page-news .news-timeline {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  margin-top: clamp(30px, 5vw, 54px);
}

@media (min-width: 900px) {
  .page-news .news-timeline {
    grid-template-columns: var(--news-rail-w) minmax(0, 1fr);
    gap: 0 clamp(20px, 4vw, 52px);
  }
}

.page-news .news-timeline__rail {
  display: none;
}

@media (min-width: 900px) {
  .page-news .news-timeline__rail {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    align-self: start;
    position: sticky;
    top: 104px;
    padding-top: 6px;
  }
}

.page-news .news-timeline__rail-label {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.26em;
  color: var(--mist);
  writing-mode: vertical-rl;
}

.page-news .news-timeline__rail-line {
  display: block;
  width: 1px;
  height: 230px;
  background: linear-gradient(to bottom, var(--gold) 0%, rgba(201, 162, 39, 0.25) 60%, rgba(201, 162, 39, 0) 100%);
}

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

.page-news .news-release {
  position: relative;
  padding: 0 0 clamp(30px, 4vw, 44px) clamp(20px, 3.5vw, 30px);
  border-left: 1px solid var(--line-soft);
}

.page-news .news-release:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-news .news-release::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 9px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  border: 1px solid var(--gold);
  background: var(--royal-800);
}

@media (min-width: 760px) {
  .page-news .news-release:nth-child(even) {
    margin-left: clamp(16px, 4vw, 48px);
  }
}

.page-news .news-release__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  margin-bottom: 10px;
}

.page-news .news-release__ver {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  letter-spacing: 0.06em;
  color: var(--gold-soft);
  padding: 3px 10px;
  border: 1px solid var(--line);
  background: rgba(201, 162, 39, 0.07);
}

.page-news .news-release__when {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-news .news-release .heading-3 {
  margin: 0 0 8px;
  max-width: 34ch;
}

.page-news .news-release .body-text {
  max-width: 62ch;
}

.page-news .news-release__scope {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.05em;
  line-height: 1.8;
  color: var(--mist);
}

.page-news .news-release__details {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px dashed var(--line-soft);
  max-width: 62ch;
}

.page-news .news-release__details > summary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--gold);
  transition: color 0.25s var(--news-ease);
}

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

.page-news .news-release__details > summary::before {
  content: "+";
  display: inline-block;
  width: 14px;
  text-align: center;
  font-size: 0.95rem;
  line-height: 1;
}

.page-news .news-release__details[open] > summary::before {
  content: "−";
}

.page-news .news-release__details > summary:hover {
  color: var(--gold-soft);
}

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

.page-news .news-release__detail-list {
  margin: 12px 0 0;
  padding-left: 18px;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-news .news-release__detail-list li + li {
  margin-top: 6px;
}

.page-news .news-release__detail-list li::marker {
  color: var(--gold);
}

/* ---------- 内容故事 ---------- */
.page-news .news-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: clamp(22px, 3vw, 34px) 0 clamp(26px, 4vw, 40px);
}

.page-news .news-filters__item {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-decoration: none;
  padding: 7px 15px;
  border: 1px solid rgba(10, 26, 42, 0.22);
  color: var(--ink-on-paper);
  transition: border-color 0.25s var(--news-ease), background-color 0.25s var(--news-ease), color 0.25s var(--news-ease);
}

.page-news .news-filters__item:hover,
.page-news .news-filters__item:focus-visible {
  border-color: var(--amber-ink);
  background: rgba(201, 162, 39, 0.14);
  color: var(--amber-ink);
}

.page-news .news-stories {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 52px);
}

@media (min-width: 960px) {
  .page-news .news-stories {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  }

  .page-news .news-stories__aside {
    position: sticky;
    top: 104px;
    align-self: start;
  }
}

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

.page-news .news-group + .news-group {
  margin-top: clamp(26px, 3.5vw, 40px);
}

.page-news .news-group__title {
  margin: 0;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(10, 26, 42, 0.2);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: var(--amber-ink);
}

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

.page-news .news-story {
  padding: clamp(15px, 2vw, 20px) 0;
  border-bottom: 1px solid rgba(10, 26, 42, 0.1);
}

.page-news .news-story__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 12px;
  margin: 0 0 7px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--amber-ink);
}

.page-news .news-story__meta span + span {
  padding-left: 12px;
  border-left: 1px solid rgba(10, 26, 42, 0.18);
}

.page-news .news-story__title {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.55;
  letter-spacing: -0.01em;
  color: var(--ink-on-paper);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s var(--news-ease), color 0.25s var(--news-ease);
}

.page-news .news-story__title:hover,
.page-news .news-story__title:focus-visible {
  color: var(--clay);
  border-bottom-color: var(--clay);
}

.page-news .news-story__desc {
  margin: 7px 0 0;
  font-size: 0.94rem;
  line-height: 1.75;
  color: rgba(10, 26, 42, 0.76);
  max-width: 54ch;
}

.page-news .news-aside__media {
  margin-bottom: 18px;
}

.page-news .news-aside__media .media__img {
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

.page-news .news-aside__block {
  padding: 18px 18px 20px;
  border: 1px solid rgba(10, 26, 42, 0.16);
  background: rgba(10, 26, 42, 0.035);
}

.page-news .news-aside__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  color: var(--amber-ink);
}

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

.page-news .news-aside__list li + li {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid rgba(10, 26, 42, 0.1);
}

.page-news .news-aside__list a {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--ink-on-paper);
  text-decoration: none;
  border-bottom: 1px solid rgba(10, 26, 42, 0.25);
}

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

.page-news .news-aside__more {
  display: inline-block;
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  color: var(--amber-ink);
  text-decoration: none;
}

.page-news .news-aside__more:hover,
.page-news .news-aside__more:focus-visible {
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* ---------- 两栏通用 ---------- */
.page-news .news-split {
  align-items: start;
}

.page-news .news-split__copy .display-2,
.page-news .news-split__copy .kicker {
  margin-top: 0;
}

.page-news .news-split__copy .display-2 {
  margin-bottom: 18px;
  max-width: 20ch;
}

.page-news .news-split__copy .body-text {
  max-width: 58ch;
}

.page-news .news-split__media {
  margin: 0;
}

.page-news .news-split__media .media__img {
  aspect-ratio: 12 / 7;
  object-fit: cover;
}

/* ---------- 路径对比 ---------- */
.page-news .news-path {
  margin-top: clamp(24px, 3vw, 32px);
}

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

.page-news .news-path__steps {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .news-path__steps li {
  position: relative;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  line-height: 1.6;
  color: var(--mist);
}

.page-news .news-path__steps li + li {
  margin-left: 26px;
}

.page-news .news-path__steps li + li::before {
  content: "";
  position: absolute;
  left: -20px;
  top: 50%;
  width: 13px;
  height: 1px;
  background: currentColor;
  opacity: 0.55;
}

.page-news .news-path__steps--new li {
  color: var(--gold-soft);
  padding: 3px 10px;
  border: 1px solid var(--line);
  background: rgba(201, 162, 39, 0.08);
}

.page-news .news-path__steps--new li + li::before {
  left: -16px;
  width: 9px;
}

/* ---------- 节奏与订阅 ---------- */
.page-news .news-cadence {
  list-style: none;
  margin: clamp(24px, 3vw, 34px) 0 0;
  padding: 0;
}

.page-news .news-cadence li {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 14px 0;
  border-top: 1px solid var(--line-soft);
}

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

@media (min-width: 560px) {
  .page-news .news-cadence li {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 0 18px;
    align-items: baseline;
  }
}

.page-news .news-cadence__num {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  letter-spacing: 0.04em;
  color: var(--gold-soft);
}

.page-news .news-cadence__text {
  font-size: 0.94rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-news .news-subscribe {
  margin-top: clamp(26px, 3.5vw, 38px);
  padding: clamp(18px, 3vw, 26px);
  border-left: 2px solid var(--gold);
  background: rgba(201, 162, 39, 0.06);
}

.page-news .news-subscribe__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-news .news-subscribe .body-text {
  margin: 0 0 16px;
}

.page-news .news-side-panel {
  padding: clamp(20px, 3vw, 28px);
}

.page-news .news-side-panel__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-news .news-side-panel__list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
}

.page-news .news-side-panel__list li {
  padding: 12px 0;
  border-top: 1px solid var(--line-soft);
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--mist);
}

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

.page-news .news-side-panel__list span {
  display: inline-block;
  margin-right: 8px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--gold-soft);
}

.page-news .news-side-panel__link {
  display: inline-block;
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  color: var(--gold-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}

.page-news .news-side-panel__link:hover,
.page-news .news-side-panel__link:focus-visible {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

/* ---------- 三步确认 ---------- */
.page-news .news-check {
  list-style: none;
  margin: clamp(24px, 3vw, 34px) 0 0;
  padding: 0;
  counter-reset: none;
}

.page-news .news-check__item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 0 16px;
  padding: 16px 0;
  border-top: 1px solid rgba(10, 26, 42, 0.16);
}

.page-news .news-check__item:last-child {
  border-bottom: 1px solid rgba(10, 26, 42, 0.16);
}

.page-news .news-check__no {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  letter-spacing: 0.04em;
  color: var(--amber-ink);
  padding-top: 2px;
}

.page-news .news-check__body .heading-3 {
  margin: 0 0 6px;
  font-size: 1.0625rem;
}

.page-news .news-check__body .body-text {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.75;
  color: rgba(10, 26, 42, 0.78);
}

.page-news #verify .news-hero__actions {
  margin-top: clamp(20px, 3vw, 28px);
}

.page-news #verify .news-hero__actions .btn {
  border-color: rgba(10, 26, 42, 0.35);
  color: var(--ink-on-paper);
}

.page-news #verify .news-hero__actions .btn:hover {
  border-color: var(--amber-ink);
  color: var(--amber-ink);
}

/* ---------- 编辑推荐 ---------- */
.page-news .news-features {
  margin-top: clamp(26px, 4vw, 42px);
}

.page-news .news-feature {
  display: flex;
  flex-direction: column;
  padding: clamp(18px, 3vw, 24px) 0 0;
  border-top: 2px solid var(--line);
}

.page-news .news-feature__time {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-news .news-feature .heading-3 {
  margin: 0 0 10px;
  font-size: 1.1875rem;
}

.page-news .news-feature .body-text {
  margin: 0 0 18px;
  font-size: 0.94rem;
  line-height: 1.75;
  flex: 1 1 auto;
}

.page-news .news-feature__link {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  color: var(--gold-soft);
  text-decoration: none;
  padding-bottom: 3px;
  border-bottom: 1px solid var(--line);
  transition: color 0.25s var(--news-ease), border-color 0.25s var(--news-ease);
}

.page-news .news-feature__link:hover,
.page-news .news-feature__link:focus-visible {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

/* ---------- 窄屏兜底 ---------- */
@media (max-width: 420px) {
  .page-news .news-versionbar {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-news .news-versionbar > div + div {
    border-left: 0;
    border-top: 1px solid var(--line-soft);
    padding-left: 8px;
  }

  .page-news .news-release {
    padding-left: 16px;
  }

  .page-news .news-path__steps li + li {
    margin-left: 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-filters__item,
  .page-news .news-story__title,
  .page-news .news-feature__link,
  .page-news .news-release__details > summary {
    transition: none;
  }
}