.page-news {
  background: var(--paper);
  color: var(--graphite);
  overflow-x: hidden;
}

.page-news .news-top {
  padding-top: clamp(16px, 3vw, 28px);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  padding-top: clamp(12px, 2vw, 20px);
  display: grid;
  gap: clamp(16px, 2.6vw, 26px);
}

.page-news .news-hero__panel {
  position: relative;
  background: var(--ink);
  color: var(--paper);
  border-radius: var(--r-xl) var(--r-xl) var(--r-l) var(--r-l);
  padding: clamp(28px, 6vw, 68px) clamp(22px, 5.4vw, 64px) clamp(44px, 7vw, 76px);
  overflow: hidden;
}

.page-news .news-hero__panel::before {
  content: "";
  position: absolute;
  inset: auto -12% -34% auto;
  width: 74%;
  aspect-ratio: 1 / 1;
  background: radial-gradient(circle at 30% 30%, rgba(20, 224, 200, 0.22), transparent 62%);
  border-radius: 50%;
  pointer-events: none;
}

.page-news .news-hero__panel::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 6px;
  height: 100%;
  background: linear-gradient(180deg, var(--cyan) 0%, rgba(20, 224, 200, 0) 78%);
  opacity: 0.9;
}

.page-news .news-hero__eyebrow {
  color: var(--cyan-soft);
  margin-bottom: clamp(14px, 2vw, 22px);
}

.page-news .news-hero__title {
  font-family: var(--font-display);
  font-weight: 250;
  font-size: clamp(38px, 7.4vw, 86px);
  line-height: 1.06;
  letter-spacing: -0.015em;
  margin: 0;
  color: var(--white);
  position: relative;
  z-index: 1;
}

.page-news .news-hero__title-sub {
  display: inline-block;
  margin-top: 0.34em;
  font-size: clamp(17px, 2.4vw, 27px);
  font-weight: 400;
  letter-spacing: 0.02em;
  color: var(--cyan-soft);
}

.page-news .news-hero__lede {
  position: relative;
  z-index: 1;
  max-width: 62ch;
  margin-top: clamp(18px, 2.6vw, 28px);
  color: rgba(245, 242, 234, 0.82);
}

.page-news .news-hero__status {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: clamp(20px, 3vw, 32px);
  padding: 8px 16px 8px 12px;
  border-radius: 999px;
  background: rgba(244, 166, 74, 0.14);
  border: 1px solid rgba(244, 166, 74, 0.42);
  color: var(--amber);
  font-size: var(--fs-sm);
}

.page-news .news-hero__status .beat-dot {
  background: var(--amber);
}

.page-news .news-hero__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  background: var(--line-soft);
  border-radius: var(--r-m);
  overflow: hidden;
  border: 1px solid var(--line-soft);
}

.page-news .news-fact {
  background: var(--white);
  padding: clamp(14px, 2.4vw, 22px) clamp(14px, 2.4vw, 24px);
}

.page-news .news-fact dt {
  font-size: var(--fs-idx);
  letter-spacing: 0.14em;
  color: var(--sage);
  text-transform: uppercase;
}

.page-news .news-fact dd {
  margin: 6px 0 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(26px, 4.4vw, 40px);
  line-height: 1;
  color: var(--ink);
  letter-spacing: -0.02em;
}

.page-news .news-fact dd span {
  font-size: var(--fs-sm);
  font-weight: 400;
  color: var(--sage);
  margin-left: 4px;
  letter-spacing: 0;
}

.page-news .news-fact dd.news-fact__mono {
  font-family: var(--font-mono);
  font-size: clamp(22px, 3.4vw, 30px);
  color: var(--ink-2);
}

/* ---------- 章节通用 ---------- */
.page-news .news-sec {
  padding-block: clamp(44px, 7vw, 90px) 0;
}

.page-news .news-sec__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: start;
  gap: clamp(12px, 2.4vw, 26px);
  margin-bottom: clamp(22px, 3.6vw, 40px);
}

.page-news .news-sec__head .eyebrow {
  margin-bottom: 8px;
}

.page-news .news-sec__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: var(--fs-h2);
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--ink);
  max-width: 26ch;
}

.page-news .news-sec__head .section-mark {
  margin-top: -0.18em;
  font-family: var(--font-mono);
  font-weight: 400;
}

/* ---------- 本期头条 ---------- */
.page-news .headline {
  display: grid;
  background: var(--white);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-l);
  overflow: hidden;
  box-shadow: 0 18px 42px -34px rgba(11, 30, 45, 0.55);
}

.page-news .headline__body {
  padding: clamp(22px, 4vw, 44px);
  display: flex;
  flex-direction: column;
  gap: clamp(12px, 1.8vw, 18px);
}

.page-news .headline__kicker {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0;
}

.page-news .headline__code {
  font-size: var(--fs-sm);
  color: var(--sage);
  letter-spacing: 0.08em;
}

.page-news .headline__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(24px, 3.6vw, 38px);
  line-height: 1.28;
  color: var(--ink);
  letter-spacing: -0.01em;
}

.page-news .headline__text {
  margin: 0;
  line-height: 1.9;
  max-width: 52ch;
}

.page-news .headline__list {
  margin: 4px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-news .headline__list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  flex-wrap: wrap;
  padding-top: 12px;
  border-top: 1px solid var(--line-soft);
}

.page-news .headline__list a {
  color: var(--ink-2);
  font-size: var(--fs-sm);
  line-height: 1.7;
  text-decoration: none;
  border-bottom: 1px solid rgba(20, 224, 200, 0.6);
  padding-bottom: 1px;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

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

.page-news .headline__cta {
  align-self: flex-start;
  margin-top: 6px;
}

.page-news .headline__media {
  position: relative;
  background: var(--ink-2);
  padding: clamp(16px, 3vw, 28px);
  display: flex;
  align-items: center;
}

.page-news .headline__frame {
  width: 100%;
  border-radius: var(--r-m);
  overflow: hidden;
}

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

.page-news .headline__frame .frame__caption {
  left: 12px;
  bottom: 12px;
}

/* ---------- 记录列表与筛选 ---------- */
.page-news .news-ledger {
  display: grid;
  gap: clamp(20px, 3.4vw, 42px);
  padding-top: clamp(36px, 6vw, 76px);
}

.page-news .news-filter {
  background: var(--white);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-m);
  padding: 14px;
}

.page-news .news-filter__title {
  margin: 0 0 10px;
  font-size: var(--fs-idx);
  letter-spacing: 0.18em;
  color: var(--sage);
  text-transform: uppercase;
  padding-left: 2px;
}

.page-news .news-filter__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-news .news-filter__list li {
  flex: 0 0 auto;
}

.page-news .news-filter__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--paper);
  border: 1px solid var(--line);
  color: var(--ink-2);
  font-size: var(--fs-sm);
  text-decoration: none;
  white-space: nowrap;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-news .news-filter__link .mono {
  font-size: var(--fs-idx);
  color: var(--sage);
}

.page-news .news-filter__link:hover,
.page-news .news-filter__link:focus-visible {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
  transform: translateY(-2px);
}

.page-news .news-filter__link:hover .mono,
.page-news .news-filter__link:focus-visible .mono {
  color: var(--cyan-soft);
}

.page-news .news-filter__hint,
.page-news .news-filter__more {
  display: none;
}

.page-news .news-stream {
  min-width: 0;
}

.page-news .news-sec--stream {
  padding-top: 0;
}

.page-news .news-stream__banner {
  border-radius: var(--r-m);
  overflow: hidden;
  margin-bottom: clamp(26px, 4vw, 44px);
}

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

.page-news .log-group {
  padding-block: clamp(20px, 3vw, 30px);
  border-top: 1px solid var(--line);
  scroll-margin-top: 96px;
}

.page-news .log-group:first-of-type {
  border-top: 0;
}

.page-news .log-group__title {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 clamp(16px, 2.4vw, 24px);
}

.page-news .log-group__count {
  font-size: var(--fs-idx);
  letter-spacing: 0.12em;
  color: var(--sage);
}

.page-news .log-list {
  display: grid;
}

.page-news .log-item {
  position: relative;
  padding: 0 0 clamp(20px, 3vw, 30px) 26px;
}

.page-news .log-item::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 12px;
  bottom: 0;
  width: 1px;
  background: var(--line);
}

.page-news .log-item:last-child {
  padding-bottom: 4px;
}

.page-news .log-item:last-child::before {
  display: none;
}

.page-news .log-item::after {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--paper);
  border: 1.5px solid var(--sage);
}

.page-news .log-item.is-latest::after {
  background: var(--cyan);
  border-color: var(--cyan);
  box-shadow: 0 0 0 4px rgba(20, 224, 200, 0.16);
}

.page-news .log-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 6px;
  font-size: var(--fs-idx);
  letter-spacing: 0.1em;
  color: var(--sage);
}

.page-news .log-item__ver {
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--paper-deep);
  color: var(--ink-2);
  letter-spacing: 0.06em;
}

.page-news .log-item.is-latest .log-item__ver {
  background: rgba(20, 224, 200, 0.16);
  color: #0a6b60;
}

.page-news .log-item__title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--fs-h4);
  line-height: 1.55;
  color: var(--ink);
}

.page-news .log-item__text {
  margin: 0;
  font-size: var(--fs-sm);
  line-height: 1.9;
  color: var(--graphite);
  max-width: 62ch;
}

/* 分类标签本页配色 */
.page-news .chip {
  display: inline-flex;
  align-items: center;
  padding: 4px 11px;
  border-radius: 999px;
  font-size: var(--fs-idx);
  letter-spacing: 0.08em;
  line-height: 1.6;
  border: 1px solid transparent;
  white-space: nowrap;
}

.page-news .chip--beat {
  background: var(--amber);
  color: var(--ink);
}

.page-news .chip--ver {
  background: rgba(20, 224, 200, 0.18);
  border-color: rgba(20, 224, 200, 0.55);
  color: #0a6b60;
}

.page-news .chip--svc {
  background: var(--ink);
  color: var(--paper);
}

.page-news .chip--note {
  background: rgba(124, 107, 255, 0.14);
  border-color: rgba(124, 107, 255, 0.38);
  color: #4b3ecf;
}

/* ---------- 版本对照速查 ---------- */
.page-news .version-panel {
  padding: clamp(20px, 3.6vw, 40px);
  background: var(--white);
  border-radius: var(--r-l);
  border: 1px solid var(--line-soft);
}

.page-news .version-panel__grid {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
}

.page-news .version-list {
  min-width: 0;
}

.page-news .vrow {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-soft);
  transition: background var(--dur) var(--ease);
}

.page-news .vrow:last-child {
  border-bottom: 0;
}

.page-news .vrow:not(.vrow--head):hover {
  background: rgba(20, 224, 200, 0.06);
}

.page-news .vrow--head {
  display: none;
}

.page-news .vrow__no {
  font-size: var(--fs-base);
  color: var(--ink);
  letter-spacing: 0.06em;
  font-weight: 600;
}

.page-news .vrow__when {
  font-size: var(--fs-idx);
  letter-spacing: 0.12em;
  color: var(--sage);
}

.page-news .vrow__what {
  font-size: var(--fs-sm);
  line-height: 1.8;
  color: var(--graphite);
}

.page-news .version-panel__media {
  margin: 0;
}

.page-news .version-panel__media .frame {
  border-radius: var(--r-m);
  overflow: hidden;
}

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

.page-news .version-panel__media figcaption {
  margin-top: 10px;
  font-size: var(--fs-idx);
  letter-spacing: 0.1em;
  color: var(--sage);
}

.page-news .version-panel__foot {
  margin-top: clamp(20px, 3vw, 32px);
  padding-top: clamp(16px, 2.4vw, 24px);
  border-top: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: flex-start;
}

.page-news .version-panel__foot p {
  margin: 0;
  font-size: var(--fs-sm);
  line-height: 1.9;
  max-width: 60ch;
  color: var(--graphite);
}

/* ---------- 专题系列 ---------- */
.page-news .news-sec--series {
  position: relative;
}

.page-news .series-backdrop {
  position: relative;
  border-radius: var(--r-l);
  overflow: hidden;
  margin-bottom: clamp(20px, 3vw, 30px);
  max-height: 220px;
}

.page-news .series-backdrop img {
  width: 100%;
  height: 100%;
  max-height: 220px;
  object-fit: cover;
  display: block;
  opacity: 0.9;
}

.page-news .series-grid {
  align-items: stretch;
}

.page-news .series-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(20px, 3vw, 30px);
  background: var(--white);
  border-radius: var(--r-m);
  border: 1px solid var(--line-soft);
  overflow: hidden;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-news .series-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 22px 40px -30px rgba(11, 30, 45, 0.6);
}

.page-news .series-card__no {
  margin: 0;
  font-size: var(--fs-idx);
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-news .series-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: var(--fs-h3);
  color: var(--ink);
}

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

.page-news .series-card__list {
  margin: 6px 0 0;
  padding: 14px 0 0;
  border-top: 1px solid var(--line-soft);
  display: grid;
  gap: 10px;
  list-style: none;
}

.page-news .series-card__list li {
  position: relative;
  padding-left: 16px;
}

.page-news .series-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 1px;
  background: var(--sage);
}

.page-news .series-card__list a {
  font-size: var(--fs-sm);
  line-height: 1.75;
  color: var(--ink-2);
  text-decoration: none;
}

.page-news .series-card__list a:hover,
.page-news .series-card__list a:focus-visible {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--cyan);
  text-underline-offset: 4px;
}

/* ---------- 订阅与筛选 ---------- */
.page-news .subscribe-grid {
  align-items: stretch;
}

.page-news .subscribe-card {
  padding: clamp(20px, 3vw, 32px);
  border-radius: var(--r-m);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-news .subscribe-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: var(--fs-h4);
  color: var(--ink);
}

.page-news .subscribe-card p {
  margin: 0;
  font-size: var(--fs-sm);
  line-height: 1.9;
  color: var(--graphite);
}

.page-news .subscribe-card__note {
  font-size: var(--fs-idx);
  letter-spacing: 0.12em;
  color: var(--sage);
}

.page-news .subscribe-card .btn {
  align-self: flex-start;
  margin-top: 4px;
}

.page-news .tick-rule {
  margin-block: clamp(32px, 5vw, 56px) clamp(22px, 3.4vw, 34px);
}

.page-news .news-close {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-news .news-close__text {
  margin: 0;
  max-width: 62ch;
  font-size: var(--fs-sm);
  line-height: 1.9;
  color: var(--graphite);
}

.page-news .news-close__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.page-news .news-close__link {
  font-size: var(--fs-sm);
  color: var(--ink-2);
  text-decoration: none;
  border-bottom: 1px solid rgba(20, 224, 200, 0.6);
  padding-bottom: 2px;
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-news .news-hero__facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .vrow {
    grid-template-columns: 88px 96px minmax(0, 1fr);
    align-items: baseline;
    gap: 14px;
  }

  .page-news .version-panel__foot {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
  }
}

@media (min-width: 820px) {
  .page-news .headline {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
  }

  .page-news .headline__media {
    padding: clamp(20px, 3vw, 34px);
  }

  .page-news .vrow--head {
    display: grid;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--ink);
  }

  .page-news .vrow--head span {
    font-size: var(--fs-idx);
    letter-spacing: 0.16em;
    color: var(--sage);
    text-transform: uppercase;
  }

  .page-news .version-panel__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
    align-items: start;
  }
}

@media (min-width: 1000px) {
  .page-news .news-ledger {
    grid-template-columns: minmax(0, 1fr) 246px;
    align-items: start;
  }

  .page-news .news-filter {
    grid-column: 2;
    grid-row: 1;
    position: sticky;
    top: 96px;
    padding: 18px;
  }

  .page-news .news-stream {
    grid-column: 1;
    grid-row: 1;
  }

  .page-news .news-filter__list {
    flex-direction: column;
    overflow: visible;
    gap: 6px;
  }

  .page-news .news-filter__list li {
    flex: 1 1 auto;
  }

  .page-news .news-filter__link {
    width: 100%;
    justify-content: space-between;
    border-radius: var(--r-s);
    padding: 9px 12px;
  }

  .page-news .news-filter__hint {
    display: block;
    margin: 14px 0 0;
    padding-top: 12px;
    border-top: 1px solid var(--line-soft);
    font-size: var(--fs-idx);
    line-height: 1.8;
    color: var(--sage);
  }

  .page-news .news-filter__more {
    display: inline-block;
    margin-top: 12px;
    font-size: var(--fs-sm);
    color: var(--ink-2);
    text-decoration: none;
    border-bottom: 1px solid rgba(20, 224, 200, 0.6);
    padding-bottom: 1px;
  }

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

  .page-news .news-close {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .series-card,
  .page-news .news-filter__link {
    transition: none;
  }

  .page-news .series-card:hover,
  .page-news .news-filter__link:hover {
    transform: none;
  }
}