.page-news {
  --news-card-bg: rgba(18, 48, 80, 0.62);
  --news-card-bg-soft: rgba(18, 48, 80, 0.34);
  --news-radius: 4px;
  --news-gap: 18px;
  background: var(--fx-ink);
  color: var(--fx-white);
}

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

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(72px, 11vw, 116px) 0 clamp(52px, 7vw, 84px);
  background:
    radial-gradient(120% 90% at 82% -10%, rgba(36, 224, 200, 0.16), transparent 58%),
    radial-gradient(90% 80% at 4% 110%, rgba(255, 90, 31, 0.16), transparent 62%),
    linear-gradient(178deg, var(--fx-pitch) 0%, var(--fx-ink) 55%, var(--fx-tide) 100%);
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--fx-orange), transparent);
  opacity: 0.55;
}

.page-news .news-crumbs {
  margin-bottom: clamp(28px, 5vw, 56px);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--fx-slate);
}

.page-news .news-crumbs a {
  color: var(--fx-slate);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

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

.page-news .news-crumbs [aria-current="page"] {
  color: var(--fx-orange);
}

.page-news .news-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 5vw, 48px);
  align-items: start;
}

.page-news .news-hero__title {
  margin: 10px 0 0;
  font-size: clamp(2.4rem, 8.2vw, 5.2rem);
  line-height: 0.98;
  letter-spacing: -0.02em;
  font-weight: 900;
}

.page-news .news-hero__title em {
  display: block;
  font-style: normal;
  color: var(--fx-orange);
}

.page-news .news-hero__lede {
  margin-top: 22px;
  max-width: 34em;
  color: var(--fx-slate);
}

.page-news .news-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.page-news .news-hero__panel {
  position: relative;
  padding: 22px 22px 8px;
  border: 1px solid var(--fx-hair);
  border-left: 2px solid var(--fx-orange);
  border-radius: var(--news-radius);
  background: linear-gradient(160deg, rgba(36, 224, 200, 0.08), rgba(4, 11, 18, 0.55));
  backdrop-filter: blur(2px);
}

.page-news .news-hero__anno {
  margin: 0 0 16px;
  color: var(--fx-cyan);
}

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

.page-news .news-stats__item {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 14px 0;
  border-top: 1px solid var(--fx-hair);
}

.page-news .news-stats__item:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-news .news-stats__num {
  flex: none;
  min-width: 2.4em;
  font-size: clamp(1.9rem, 6vw, 2.7rem);
  line-height: 1;
  color: var(--fx-orange);
}

.page-news .news-stats__label {
  font-size: 14px;
  line-height: 1.6;
  color: var(--fx-slate);
}

/* ---------- 最新动态 ---------- */
.page-news .news-feed {
  padding: clamp(48px, 7vw, 84px) 0 clamp(56px, 8vw, 96px);
  background: linear-gradient(180deg, var(--fx-tide) 0%, var(--fx-ink) 46%, var(--fx-ink) 100%);
}

.page-news .news-feed__head {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  align-items: flex-end;
  justify-content: space-between;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--fx-hair);
}

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

.page-news .news-feed__note {
  margin: 8px 0 0;
  color: var(--fx-slate);
  font-size: 15px;
}

.page-news .news-feed__more {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--fx-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(36, 224, 200, 0.4);
  padding-bottom: 2px;
}

.page-news .news-feed__more:hover {
  border-bottom-color: var(--fx-cyan);
}

.page-news .news-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 24px 0 32px;
}

.page-news .news-chip {
  display: inline-block;
  padding: 8px 16px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--fx-white);
  text-decoration: none;
  border: 1px solid var(--fx-hair);
  border-radius: 999px;
  background: rgba(4, 11, 18, 0.4);
  transition: background 0.2s var(--fx-ease), border-color 0.2s var(--fx-ease), color 0.2s var(--fx-ease);
}

.page-news .news-chip:hover,
.page-news .news-chip:focus-visible {
  background: var(--fx-orange);
  border-color: var(--fx-orange);
  color: var(--fx-ink);
}

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

.page-news .news-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--fx-hair);
  border-radius: var(--news-radius);
  background: linear-gradient(180deg, var(--news-card-bg), var(--news-card-bg-soft));
  transition: transform 0.24s var(--fx-ease), box-shadow 0.24s var(--fx-ease), border-color 0.24s var(--fx-ease);
}

.page-news .news-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 90, 31, 0.6);
  box-shadow: inset 0 0 0 1px rgba(255, 90, 31, 0.55), 0 16px 34px rgba(4, 11, 18, 0.45);
}

.page-news .news-card__media img,
.page-news .news-series-card__cover img,
.page-news .news-rhythm__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  max-width: 100%;
}

.page-news .news-card__media {
  overflow: hidden;
  border-bottom: 1px solid var(--fx-hair);
}

.page-news .news-card__body {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px 20px 18px;
  flex: 1;
}

.page-news .news-card__tag {
  align-self: flex-start;
  margin: 0;
  padding: 3px 10px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--fx-ink);
  background: var(--fx-orange);
  border-radius: 2px;
}

.page-news .news-card__title {
  margin: 0;
  font-size: clamp(1.05rem, 2.6vw, 1.3rem);
  line-height: 1.4;
  font-weight: 700;
}

.page-news .news-card--lead .news-card__title {
  font-size: clamp(1.3rem, 4vw, 1.85rem);
  line-height: 1.3;
}

.page-news .news-card__excerpt {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--fx-slate);
}

.page-news .news-card__link {
  margin: 2px 0 0;
  font-size: 13px;
}

.page-news .news-card__link a {
  color: var(--fx-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(36, 224, 200, 0.4);
}

.page-news .news-card__link a:hover {
  border-bottom-color: var(--fx-cyan);
}

.page-news .news-card__time {
  margin: auto 0 0;
  padding-top: 12px;
  text-align: right;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--fx-slate);
  border-top: 1px solid var(--fx-hair);
}

/* ---------- 更新周期 ---------- */
.page-news .news-rhythm {
  padding: clamp(48px, 7vw, 88px) 0 clamp(48px, 7vw, 80px);
  background: var(--fx-paper);
  color: var(--fx-ink);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), 0 100%);
}

.page-news .news-rhythm__head {
  display: grid;
  gap: 10px;
  padding-bottom: 26px;
  border-bottom: 1px solid var(--fx-hair-ink);
}

.page-news .news-rhythm__title {
  margin: 0;
  color: var(--fx-ink);
}

.page-news .news-rhythm__note {
  margin: 0;
  color: var(--fx-paper-text);
  font-size: 15px;
}

.page-news .news-timeline {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .news-timeline__node {
  position: relative;
  padding-left: 28px;
  border-left: 1px solid var(--fx-hair-ink);
}

.page-news .news-timeline__dot {
  position: absolute;
  left: -5px;
  top: 6px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--fx-orange);
  box-shadow: 0 0 0 4px rgba(255, 90, 31, 0.16);
  transition: box-shadow 0.2s var(--fx-ease), transform 0.2s var(--fx-ease);
}

.page-news .news-timeline__node:hover .news-timeline__dot {
  transform: scale(1.25);
  box-shadow: 0 0 0 7px rgba(255, 90, 31, 0.2);
}

.page-news .news-timeline__when {
  margin: 0 0 6px;
  font-size: 13px;
  letter-spacing: 0.05em;
  color: var(--fx-cyan-deep);
}

.page-news .news-timeline__what {
  margin: 0 0 8px;
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.35;
}

.page-news .news-timeline__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--fx-paper-text);
  max-width: 30em;
}

.page-news .news-rhythm__figure {
  margin: 38px 0 0;
}

.page-news .news-rhythm__media {
  overflow: hidden;
  border-radius: var(--news-radius);
  box-shadow: 0 12px 30px rgba(10, 25, 41, 0.18);
}

.page-news .news-rhythm__cap {
  margin: 12px 0 0;
  color: var(--fx-cyan-deep);
  font-size: 11px;
  letter-spacing: 0.18em;
}

/* ---------- 专题 ---------- */
.page-news .news-series {
  padding: clamp(56px, 8vw, 96px) 0;
  background:
    radial-gradient(80% 60% at 88% 0%, rgba(36, 224, 200, 0.1), transparent 62%),
    var(--fx-pitch);
  color: var(--fx-white);
}

.page-news .news-series__head {
  display: grid;
  gap: 10px;
  margin-bottom: 32px;
}

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

.page-news .news-series__note {
  margin: 0;
  max-width: 38em;
  color: var(--fx-slate);
  font-size: 15px;
}

.page-news .news-series__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--news-gap);
  align-items: start;
}

.page-news .news-series-card {
  overflow: hidden;
  border: 1px solid var(--fx-hair);
  border-radius: var(--news-radius);
  background: linear-gradient(170deg, rgba(18, 48, 80, 0.78), rgba(4, 11, 18, 0.72));
  transition: border-color 0.24s var(--fx-ease), transform 0.24s var(--fx-ease);
}

.page-news .news-series-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 90, 31, 0.55);
}

.page-news .news-series-card__summary {
  display: block;
  cursor: pointer;
  list-style: none;
}

.page-news .news-series-card__summary::-webkit-details-marker {
  display: none;
}

.page-news .news-series-card__cover {
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% 86%, 0 100%);
  border-bottom: 1px solid var(--fx-hair);
}

.page-news .news-series-card__head {
  padding: 20px 20px 22px;
}

.page-news .news-series-card__tag {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--fx-cyan);
}

.page-news .news-series-card__title {
  margin: 0 0 8px;
  font-size: clamp(1.15rem, 3.4vw, 1.5rem);
  line-height: 1.3;
  font-weight: 700;
}

.page-news .news-series-card__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--fx-slate);
}

.page-news .news-series-card__toggle {
  display: inline-block;
  margin-top: 14px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--fx-orange);
  border-bottom: 1px solid rgba(255, 90, 31, 0.5);
}

.page-news .news-series-card[open] .news-series-card__toggle {
  color: var(--fx-slate);
  border-bottom-color: var(--fx-hair);
}

.page-news .news-series-card[open] .news-series-card__toggle::after {
  content: " · 已展开";
}

.page-news .news-series-card__list {
  margin: 0;
  padding: 4px 20px 22px;
  list-style: none;
  border-top: 1px dashed var(--fx-hair);
}

.page-news .news-series-card__list li {
  padding: 11px 0 11px 16px;
  position: relative;
  font-size: 14px;
  line-height: 1.6;
  color: var(--fx-slate);
  border-bottom: 1px solid rgba(148, 166, 184, 0.12);
}

.page-news .news-series-card__list li:last-child {
  border-bottom: 0;
}

.page-news .news-series-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  width: 6px;
  height: 1px;
  background: var(--fx-orange);
}

/* ---------- 订阅 ---------- */
.page-news .news-subscribe {
  padding: clamp(48px, 7vw, 84px) 0 clamp(56px, 8vw, 92px);
  background: var(--fx-paper-shade);
  color: var(--fx-ink);
}

.page-news .news-subscribe__wrap {
  display: grid;
  gap: 30px;
}

.page-news .news-subscribe__title {
  margin: 0 0 12px;
  color: var(--fx-ink);
}

.page-news .news-subscribe__text {
  margin: 0;
  max-width: 36em;
  color: var(--fx-paper-text);
  font-size: 15px;
}

.page-news .news-subscribe__items {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-news .news-subscribe__item {
  padding: 20px 20px 22px;
  background: var(--fx-paper);
  border: 1px solid rgba(10, 25, 41, 0.12);
  border-radius: var(--news-radius);
  box-shadow: 0 6px 16px rgba(10, 25, 41, 0.06);
}

.page-news .news-subscribe__num {
  margin: 0 0 10px;
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--fx-orange);
}

.page-news .news-subscribe__item-title {
  margin: 0 0 8px;
  font-size: 1.02rem;
  line-height: 1.4;
  font-weight: 700;
}

.page-news .news-subscribe__item-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--fx-paper-text);
}

.page-news .news-subscribe__mail {
  font-family: var(--fx-mono);
  font-size: 13px;
  color: var(--fx-cyan-deep);
  word-break: break-all;
}

.page-news .news-subscribe__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-news .news-subscribe__ghost {
  color: var(--fx-ink);
  border-color: rgba(10, 25, 41, 0.35);
}

.page-news .news-subscribe__ghost:hover {
  background: var(--fx-ink);
  color: var(--fx-white);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-news .news-subscribe__items {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-news .news-timeline {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .page-news {
    --news-gap: 24px;
  }

  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 0.85fr);
    gap: clamp(32px, 5vw, 72px);
  }

  .page-news .news-hero__panel {
    margin-top: 18px;
  }

  .page-news .news-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
    column-gap: 28px;
    row-gap: 0;
  }

  .page-news .news-grid > .news-card {
    margin-bottom: 28px;
  }

  .page-news .news-grid > .news-card:nth-child(even) {
    margin-top: 64px;
  }

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

  .page-news .news-timeline {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 22px;
    border-top: 1px solid var(--fx-hair-ink);
    padding-top: 30px;
  }

  .page-news .news-timeline__node {
    padding-left: 0;
    border-left: 0;
  }

  .page-news .news-timeline__dot {
    left: 0;
    top: -35px;
  }

  .page-news .news-rhythm__figure {
    margin-top: 46px;
  }

  .page-news .news-series__grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
  }

  .page-news .news-series-card--feature {
    grid-row: span 2;
  }

  .page-news .news-subscribe__wrap {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.5fr);
    gap: 40px;
    align-items: start;
  }

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

  .page-news .news-subscribe__actions {
    grid-column: 1 / -1;
  }
}

@media (min-width: 1180px) {
  .page-news .news-hero__title {
    max-width: 12em;
  }

  .page-news .news-feed__head {
    align-items: flex-end;
  }

  .page-news .news-chips {
    margin-bottom: 38px;
  }
}

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

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