.page-news {
  --news-sticky-offset: calc(var(--header-h) + 132px);
}

/* ---------- 面包屑 ---------- */
.page-news .breadcrumb {
  padding-top: clamp(16px, 3vw, 30px);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  padding: clamp(26px, 4.6vw, 56px) 0 clamp(28px, 4vw, 52px);
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  top: -18%;
  right: -12%;
  width: min(720px, 66vw);
  height: min(720px, 66vw);
  background: linear-gradient(142deg, rgba(0, 230, 118, 0.17), rgba(255, 145, 0, 0.06) 52%, transparent 74%);
  clip-path: polygon(100% 0, 100% 100%, 20% 0);
  pointer-events: none;
  z-index: 0;
}

.page-news .news-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(26px, 4vw, 50px);
  align-items: end;
}

.page-news .news-hero__title {
  font-family: var(--font-title);
  font-weight: 600;
  font-size: clamp(32px, 5.4vw, 62px);
  line-height: 1.1;
  letter-spacing: -0.012em;
  color: var(--white);
  margin: 14px 0 0;
  max-width: 15em;
}

.page-news .news-hero__lead {
  margin: 18px 0 0;
  max-width: 32em;
  font-size: 16.5px;
  line-height: 1.78;
  color: var(--grey);
}

.page-news .news-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

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

/* ---------- 通用媒体 ---------- */
.page-news .media {
  margin: 0;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: var(--glass);
}

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

.page-news .media .media__cap {
  position: absolute;
  left: 0;
  bottom: 0;
  right: 0;
  margin: 0;
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--grey);
  background: linear-gradient(180deg, transparent, rgba(10, 18, 22, 0.92));
}

/* ---------- 筛选带 ---------- */
.page-news .filter-band {
  position: sticky;
  top: var(--header-h);
  z-index: 25;
  margin-top: clamp(8px, 1.6vw, 18px);
  background: var(--glass-soft);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.page-news .filter-band__inner {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-block: 12px;
}

.page-news .filter-row {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.page-news .filter-row__label {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--steel);
}

.page-news .filter-row__text {
  margin: 0;
  flex: 1 1 auto;
  min-width: 0;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--grey);
  white-space: nowrap;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-news .filter-row__text::-webkit-scrollbar {
  display: none;
}

.page-news .chip-row {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  overflow-x: auto;
  padding-bottom: 2px;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-news .chip-row::-webkit-scrollbar {
  display: none;
}

.page-news .filter-band .chip {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  height: 30px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--grey);
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 0.18s var(--ease), color 0.18s var(--ease), background-color 0.18s var(--ease);
}

.page-news .filter-band .chip:hover,
.page-news .filter-band .chip:focus-visible {
  border-color: var(--signal);
  color: var(--white);
}

.page-news .filter-band .chip--on,
.page-news .filter-band .chip[data-active] {
  border-color: var(--signal);
  color: var(--signal);
  background: rgba(0, 230, 118, 0.09);
}

/* ---------- 资料库 ---------- */
.page-news .library {
  padding-top: clamp(40px, 6vw, 84px);
}

.page-news .library__media {
  margin-top: clamp(22px, 3vw, 36px);
}

.page-news .season-block {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  padding-top: clamp(28px, 4vw, 48px);
  scroll-margin-top: var(--news-sticky-offset);
}

.page-news .season-block__rail {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-soft);
}

.page-news .season-block__name {
  font-family: var(--font-title);
  font-weight: 600;
  font-size: 17px;
  letter-spacing: 0.02em;
  color: var(--white);
}

.page-news .season-block__count {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--signal);
  font-variant-numeric: tabular-nums;
}

.page-news .index-list {
  min-width: 0;
  border-top: 1px solid var(--line-soft);
}

.page-news .index-row {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 4px 14px;
  padding: 15px 0 15px 2px;
  border-bottom: 1px solid var(--line-soft);
  border-left: 2px solid transparent;
  transition: padding-left 0.18s var(--ease), border-color 0.18s var(--ease), background-color 0.18s var(--ease);
}

.page-news .index-row:hover {
  border-left-color: var(--signal);
  padding-left: 12px;
  background: linear-gradient(90deg, rgba(0, 230, 118, 0.07), transparent 72%);
}

.page-news .index-row__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--steel);
  font-variant-numeric: tabular-nums;
  padding-top: 3px;
  transition: color 0.18s var(--ease);
}

.page-news .index-row:hover .index-row__num {
  color: var(--signal);
}

.page-news .index-row__body {
  min-width: 0;
}

.page-news .index-row__title {
  margin: 0;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 16.5px;
  line-height: 1.45;
  color: var(--white);
}

.page-news .index-row__desc {
  margin: 6px 0 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--grey);
  max-width: 40em;
}

.page-news .index-row__meta {
  grid-column: 2;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 10px;
  margin-top: 4px;
}

.page-news .index-row__time {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--steel);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

/* ---------- 入口迁移 ---------- */
.page-news .migration {
  padding-top: clamp(52px, 8vw, 110px);
}

.page-news .migration__grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
}

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

.page-news .migration__text {
  margin: 16px 0 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.78;
  color: var(--grey);
}

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

/* ---------- 投稿与更正 ---------- */
.page-news .contribute {
  padding-top: clamp(52px, 8vw, 110px);
}

.page-news .contribute__grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
}

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

.page-news .contribute__text {
  margin: 16px 0 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.78;
  color: var(--grey);
}

.page-news .contribute__copy .btn {
  margin-top: 26px;
}

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

/* ---------- 订阅 ---------- */
.page-news .subscribe {
  padding-top: clamp(52px, 8vw, 110px);
}

.page-news .subscribe__panel {
  display: grid;
  gap: clamp(22px, 3.4vw, 40px);
  padding: clamp(24px, 3.6vw, 44px);
  border-radius: var(--radius);
  border-left: 3px solid var(--signal);
}

.page-news .subscribe__text {
  margin: 16px 0 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.78;
  color: var(--grey);
}

.page-news .subscribe__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-news .subscribe__facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  border-top: 1px solid var(--line-soft);
  padding-top: 22px;
}

.page-news .subscribe__fact {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.page-news .subscribe__fact-k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--steel);
}

.page-news .subscribe__fact-v {
  font-family: var(--font-mono);
  font-size: clamp(24px, 3.4vw, 36px);
  line-height: 1;
  color: var(--white);
  font-variant-numeric: tabular-nums;
}

/* ---------- 相关入口 ---------- */
.page-news .news-links {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  margin-top: clamp(28px, 4vw, 48px);
  border-top: 1px solid var(--line-soft);
}

.page-news .news-links__item {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 14px 2px;
  border-bottom: 1px solid var(--line-soft);
  text-decoration: none;
  transition: padding-left 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-news .news-links__item:hover,
.page-news .news-links__item:focus-visible {
  border-bottom-color: var(--signal-line);
  padding-left: 10px;
}

.page-news .news-links__k {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--steel);
  flex: 0 0 auto;
}

.page-news .news-links__t {
  font-size: 15px;
  color: var(--white);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-news .index-row {
    grid-template-columns: 52px minmax(0, 1fr) minmax(130px, 172px);
    gap: 4px 20px;
    align-items: baseline;
  }

  .page-news .index-row__meta {
    grid-column: auto;
    margin-top: 0;
    justify-content: flex-end;
  }

  .page-news .news-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(20px, 3vw, 48px);
  }
}

@media (min-width: 900px) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 6.4fr) minmax(0, 5.6fr);
  }

  .page-news .migration__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
  }

  .page-news .contribute__grid {
    grid-template-columns: minmax(0, 5.4fr) minmax(0, 6.6fr);
  }

  .page-news .contribute__copy {
    order: 2;
  }

  .page-news .contribute__media {
    order: 1;
  }

  .page-news .season-block {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 0 36px;
  }

  .page-news .season-block__rail {
    position: sticky;
    top: calc(var(--header-h) + 146px);
    align-self: start;
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    padding: 0 0 0 14px;
    border-bottom: 0;
    border-left: 2px solid var(--signal);
  }

  .page-news .subscribe__panel {
    grid-template-columns: minmax(0, 1fr) minmax(220px, 320px);
    align-items: start;
  }

  .page-news .subscribe__facts {
    grid-template-columns: minmax(0, 1fr);
    gap: 20px;
    border-top: 0;
    border-left: 1px solid var(--line-soft);
    padding-top: 0;
    padding-left: clamp(20px, 3vw, 34px);
  }

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

@media (min-width: 1180px) {
  .page-news .news-hero__media {
    transform: translateY(-12px);
  }
}

@media (max-width: 520px) {
  .page-news .filter-band__inner {
    gap: 6px;
    padding-block: 10px;
  }

  .page-news .subscribe__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
  }

  .page-news .subscribe__fact-v {
    font-size: 22px;
  }

  .page-news .news-hero__actions .btn,
  .page-news .subscribe__actions .btn {
    flex: 1 1 auto;
    justify-content: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .index-row,
  .page-news .index-row__num,
  .page-news .news-links__item,
  .page-news .filter-band .chip {
    transition: none;
  }
}