.page-news {
  --news-gap: 12px;
  --news-rail-w: 232px;
  background: var(--pitch);
  color: var(--mist);
  font-family: var(--sans);
  padding: 0 16px 72px;
  min-height: 60vh;
  overflow-x: hidden;
}

.page-news *,
.page-news *::before,
.page-news *::after {
  box-sizing: border-box;
}

.page-news h1,
.page-news h2,
.page-news h3,
.page-news p,
.page-news ul,
.page-news ol,
.page-news li,
.page-news figure {
  margin: 0;
  padding: 0;
}

.page-news ul,
.page-news ol {
  list-style: none;
}

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

.page-news a {
  text-decoration: none;
}

.news-frame {
  max-width: 1320px;
  margin: 0 auto;
}

.page-news .breadcrumb {
  padding: 18px 0 0;
}

/* ── 首屏主题声明 ─────────────────────────── */

.news-masthead {
  padding: 22px 0 30px;
  border-bottom: 1px solid var(--line);
}

.news-masthead__eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--grey);
  text-transform: uppercase;
  margin-bottom: 14px !important;
}

.news-masthead__eyebrow .mono {
  color: var(--lime);
}

.news-masthead__title {
  font-size: clamp(28px, 5.4vw, 48px);
  line-height: 1.16;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--mist);
  max-width: 18em;
}

.news-masthead__lead {
  margin-top: 18px !important;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--grey);
}

.news-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-top: 26px !important;
}

.news-stat {
  background: var(--pitch);
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.news-stat__value {
  font-family: var(--mono);
  font-size: clamp(22px, 3.6vw, 30px);
  font-weight: 700;
  line-height: 1;
  color: var(--lime);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}

.news-stat__label {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--grey);
  line-height: 1.5;
}

/* ── 非对称骨架：左索引 + 右流水 ─────────────── */

.news-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  padding-top: 28px;
}

.news-rail__title {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--grey);
  margin-bottom: 10px !important;
}

.news-rail__list {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 6px;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.news-rail__list::-webkit-scrollbar {
  display: none;
}

.news-rail__item {
  flex: none;
}

.news-rail__link {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 12px;
  border: 1px solid var(--line);
  background: var(--stand);
  color: var(--grey);
  font-size: 13px;
  white-space: nowrap;
  transition: color 120ms linear, border-color 120ms linear, background 120ms linear;
}

.news-rail__link:hover,
.news-rail__link:focus-visible {
  color: var(--mist);
  border-color: var(--lime);
}

.news-rail__link.is-current {
  color: var(--lime);
  border-color: var(--lime);
  background: var(--lime-mist);
}

.news-rail__dot {
  width: 7px;
  height: 7px;
  flex: none;
  background: var(--line);
  transition: background 120ms linear;
}

.news-rail__link.is-current .news-rail__dot {
  background: var(--lime);
}

.news-rail__num {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--grey);
  display: none;
}

.news-rail__text {
  white-space: nowrap;
}

.news-flow {
  min-width: 0;
}

/* ── 章节骨架 ─────────────────────────────── */

.news-section {
  scroll-margin-top: 120px;
}

.news-section + .news-section {
  margin-top: 52px;
}

.news-section__head {
  margin-bottom: 20px;
}

.news-section__num {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--lime);
  margin-bottom: 8px !important;
}

.news-section__title {
  font-size: clamp(21px, 3.4vw, 30px);
  font-weight: 500;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--mist);
}

.news-section__sub {
  margin-top: 10px !important;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--grey);
}

/* ── 专题流水列表 ─────────────────────────── */

.news-stream {
  border-top: 1px solid var(--line);
}

.news-item {
  border-bottom: 1px solid var(--line);
  border-left: 2px solid transparent;
  transition: border-color 160ms linear, background 160ms linear;
}

.news-item[open] {
  border-left-color: var(--lime);
  background: var(--stand);
}

.news-item__summary {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 6px 12px;
  align-items: center;
  padding: 16px 12px;
  cursor: pointer;
  list-style: none;
}

.news-item__summary::-webkit-details-marker {
  display: none;
}

.news-item__summary::marker {
  content: "";
}

.news-item__summary:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: -2px;
}

.news-item__index {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--grey);
  transition: color 160ms linear;
}

.news-item[open] .news-item__index {
  color: var(--lime);
}

.news-item__main {
  min-width: 0;
}

.news-item__title {
  display: block;
  font-size: 15px;
  font-weight: 500;
  line-height: 1.55;
  color: var(--mist);
  margin-bottom: 8px;
}

.news-item__meta {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.news-item__cat {
  font-size: 12px;
  color: var(--grey);
  letter-spacing: 0.04em;
}

.news-item__time {
  grid-column: 2;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--grey);
  white-space: nowrap;
}

.news-item__body {
  padding: 0 12px 18px 12px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--grey);
}

/* ── 栏目头部横幅 ─────────────────────────── */

.news-banner {
  margin-bottom: 16px !important;
  border: 1px solid var(--line);
  background: var(--stand);
}

.news-banner img {
  width: 100%;
  aspect-ratio: 7 / 4;
  object-fit: cover;
  filter: saturate(0.85) brightness(0.82);
}

.news-banner__caption {
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  line-height: 1.6;
  color: var(--grey);
  letter-spacing: 0.02em;
}

/* ── 五个常规栏目卡片 ─────────────────────── */

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

.news-col-card {
  display: flex;
  flex-direction: column;
  background: var(--stand);
  border: 1px solid var(--line);
  padding: 18px;
  min-width: 0;
  transition: border-color 160ms linear;
}

.news-col-card:hover {
  border-color: var(--lime);
}

.news-col-card__body {
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
  min-width: 0;
}

.news-col-card__fig {
  border: 1px solid var(--line);
  overflow: hidden;
  margin-bottom: 14px !important;
}

.news-col-card__fig img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(0.85) brightness(0.82);
}

.news-col-card__code {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--lime);
}

.news-col-card__title {
  font-size: 19px;
  font-weight: 500;
  line-height: 1.4;
  color: var(--mist);
}

.news-col-card__desc {
  font-size: 14px;
  line-height: 1.8;
  color: var(--grey);
}

.news-col-card__beat {
  margin-top: auto !important;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--grey);
  line-height: 1.6;
}

.news-col-card__beat .mono {
  font-family: var(--mono);
  color: var(--lime);
  margin-right: 6px;
}

/* ── 连载系列 ─────────────────────────────── */

.news-series {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--news-gap);
}

.news-series__card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--pitch);
  border: 1px solid var(--line);
  border-left: 3px solid var(--line);
  padding: 20px 18px;
  min-width: 0;
  transition: border-color 160ms linear;
}

.news-series__card:hover {
  border-left-color: var(--lime);
}

.news-series__card--lead {
  background: var(--stand);
  border-left-color: var(--lime);
}

.news-series__code {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--grey);
}

.news-series__card--lead .news-series__code {
  color: var(--lime);
}

.news-series__title {
  font-size: clamp(18px, 2.6vw, 22px);
  font-weight: 500;
  line-height: 1.35;
  color: var(--mist);
}

.news-series__desc {
  font-size: 14px;
  line-height: 1.8;
  color: var(--grey);
}

.news-series__meta {
  margin-top: auto !important;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--grey);
}

.news-series__meta .mono {
  font-family: var(--mono);
  color: var(--lime);
  margin-right: 6px;
}

/* ── 往期回顾 ─────────────────────────────── */

.news-archive__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px !important;
}

.news-archive__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--news-gap);
}

.news-archive__card {
  background: var(--stand);
  border: 1px solid var(--line);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
  transition: border-color 160ms linear;
}

.news-archive__card:hover {
  border-color: var(--lime);
}

.news-archive__count {
  font-family: var(--mono);
  font-size: 20px;
  font-weight: 700;
  color: var(--lime);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}

.news-archive__title {
  font-size: 15px;
  font-weight: 500;
  line-height: 1.5;
  color: var(--mist);
}

.news-archive__desc {
  font-size: 13px;
  line-height: 1.75;
  color: var(--grey);
}

.news-archive__note {
  margin-top: 16px !important;
  padding-left: 12px;
  border-left: 2px solid var(--orange);
  font-size: 13px;
  line-height: 1.7;
  color: var(--grey);
}

/* ── 订阅与推送 ───────────────────────────── */

.news-sub__list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.news-sub__item {
  background: var(--pitch);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
}

.news-sub__key {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--lime);
}

.news-sub__text {
  font-size: 14px;
  line-height: 1.8;
  color: var(--grey);
}

.news-cta {
  margin-top: 20px;
  padding: 20px 18px;
  border: 1px solid var(--line);
  background: var(--stand);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.news-cta__text {
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
  max-width: 56ch;
}

.news-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ── 响应式 ───────────────────────────────── */

@media (min-width: 640px) {
  .news-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .news-item__summary {
    grid-template-columns: 30px minmax(0, 1fr) auto;
    padding: 16px 14px;
  }

  .news-item__time {
    grid-column: 3;
  }

  .news-item__body {
    padding: 0 14px 18px 56px;
  }

  .news-archive__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .news-sub__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .news-cta {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

@media (min-width: 720px) {
  .news-columns {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .news-col-card--wide {
    grid-column: 1 / -1;
    flex-direction: row;
    gap: 20px;
    align-items: flex-start;
  }

  .news-col-card--wide .news-col-card__fig {
    flex: 0 0 260px;
    margin-bottom: 0 !important;
  }

  .news-series {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .news-series__card--lead {
    grid-column: 1 / -1;
  }

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

@media (min-width: 1024px) {
  .page-news {
    padding-left: 24px;
    padding-right: 24px;
  }

  .news-layout {
    grid-template-columns: var(--news-rail-w) minmax(0, 1fr);
    gap: 40px;
  }

  .news-rail {
    position: sticky;
    top: calc(var(--frame-h) + 20px);
    align-self: start;
    max-height: calc(100vh - var(--frame-h) - 40px);
    overflow-y: auto;
  }

  .news-rail__list {
    display: grid;
    gap: 2px;
    overflow: visible;
    padding: 0 0 0 16px;
    border-left: 1px solid var(--line);
  }

  .news-rail__link {
    background: none;
    border: none;
    padding: 9px 0 9px 14px;
    white-space: normal;
    font-size: 14px;
    align-items: flex-start;
  }

  .news-rail__link:hover,
  .news-rail__link:focus-visible {
    border: none;
  }

  .news-rail__link.is-current {
    background: none;
    border: none;
  }

  .news-rail__dot {
    position: absolute;
    left: -20px;
    top: 16px;
    width: 7px;
    height: 7px;
  }

  .news-rail__num {
    display: inline;
  }
}

@media (min-width: 1200px) {
  .news-sub__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .news-sub__item:nth-child(1) {
    grid-column: span 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news *,
  .page-news *::before,
  .page-news *::after {
    transition: none !important;
    animation: none !important;
  }
}