.page-news {
  --news-rail-w: 78px;
  --news-gutter: clamp(20px, 3.6vw, 44px);
  --news-block: clamp(44px, 7vw, 92px);
  background: var(--ink-950);
  color: var(--concrete-200);
  padding-block: clamp(20px, 3vw, 36px) clamp(56px, 9vw, 120px);
  overflow-x: clip;
}

.page-news .crumbs {
  margin-bottom: clamp(20px, 3vw, 34px);
}

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

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

/* ---------- 章节索引 ---------- */
.page-news .news-rail {
  min-width: 0;
  border-bottom: 1px solid var(--line-soft);
  padding-bottom: 14px;
}

.page-news .news-rail__list {
  display: flex;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

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

.page-news .news-rail__item {
  flex: 0 0 auto;
}

.page-news .news-rail__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 13px;
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  color: var(--concrete-200);
  text-decoration: none;
  font-size: 13px;
  line-height: 1.2;
  white-space: nowrap;
  transition: border-color .2s var(--ease), color .2s var(--ease);
}

.page-news .news-rail__num {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--concrete-500);
  transition: color .2s var(--ease);
}

.page-news .news-rail__link:hover,
.page-news .news-rail__link:focus-visible {
  border-color: var(--neon-400);
  color: var(--neon-400);
}

.page-news .news-rail__link:hover .news-rail__num,
.page-news .news-rail__link:focus-visible .news-rail__num {
  color: var(--signal-500);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  padding-bottom: var(--news-block);
}

.page-news .news-hero__kicker {
  margin: 0 0 14px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .22em;
  color: var(--neon-400);
}

.page-news .news-hero__title {
  margin: 0 0 clamp(20px, 3vw, 32px);
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(52px, 13.5vw, 116px);
  line-height: .92;
  letter-spacing: -.02em;
  color: var(--paint-050);
}

.page-news .news-hero__title::after {
  content: "";
  display: block;
  width: clamp(58px, 17vw, 190px);
  height: 6px;
  margin-top: clamp(14px, 2vw, 24px);
  background: linear-gradient(90deg, var(--signal-500) 0 62%, rgba(255, 106, 26, .22) 62% 100%);
  transform: skewX(-24deg);
}

.page-news .news-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--news-gutter);
  align-items: end;
}

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

.page-news .news-hero__desc {
  margin: 0 0 26px;
  max-width: 34em;
  color: var(--concrete-200);
}

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

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

/* ---------- 章节通用 ---------- */
.page-news .news-chapter {
  padding-block: var(--news-block);
  border-top: 1px solid var(--line-soft);
}

.page-news .news-head {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: clamp(14px, 2vw, 24px);
  padding-top: 18px;
  margin-bottom: clamp(22px, 3.4vw, 40px);
}

.page-news .news-head::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--turf-700) 0 30%, var(--line-soft) 30% 100%);
}

.page-news .news-head__num {
  font-family: var(--font-data);
  font-size: clamp(20px, 3vw, 30px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: .04em;
  color: var(--signal-500);
}

.page-news .news-head__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(23px, 3.6vw, 40px);
  line-height: 1.22;
  letter-spacing: -.01em;
  color: var(--paint-050);
}

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

.page-news .prose {
  max-width: 34em;
  margin: 0 0 1.35em;
  font-size: 17px;
  line-height: 1.85;
  color: var(--concrete-200);
}

.page-news .prose:last-child {
  margin-bottom: 0;
}

.page-news .news-chapter__figure {
  margin: clamp(28px, 4vw, 48px) 0 0;
}

/* ---------- 事实清单 ---------- */
.page-news .news-facts {
  margin: clamp(24px, 3.4vw, 36px) 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-soft);
}

.page-news .news-facts__item {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 6px 20px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-news .news-facts__key {
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--concrete-500);
}

.page-news .news-facts__val {
  font-family: var(--font-data);
  font-size: 14px;
  color: var(--paint-050);
}

/* ---------- 数据表 ---------- */
.page-news .news-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
}

.page-news .news-table__caption {
  padding: 0 0 14px;
  text-align: left;
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--concrete-500);
}

.page-news .news-table th,
.page-news .news-table td {
  padding: 14px 16px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line-soft);
}

.page-news .news-table thead th {
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--concrete-500);
  border-bottom: 1px solid var(--line-strong);
  white-space: nowrap;
}

.page-news .news-table tbody th {
  font-family: var(--font-data);
  font-size: 14px;
  font-weight: 500;
  color: var(--neon-400);
  white-space: nowrap;
}

.page-news .news-table td {
  font-size: 14px;
  line-height: 1.7;
  color: var(--concrete-200);
}

.page-news .news-note {
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding-left: 16px;
  border-left: 2px solid var(--turf-700);
  font-size: 14px;
  line-height: 1.8;
  color: var(--concrete-500);
}

/* ---------- 浅色呼吸段 ---------- */
.page-news .news-chapter--light {
  background: var(--paint-050);
  color: var(--ink-950);
  border-top-color: transparent;
  border-radius: 4px;
  padding-inline: clamp(20px, 3vw, 42px);
}

.page-news .news-chapter--light .news-head::before {
  background: linear-gradient(90deg, var(--signal-500) 0 30%, rgba(7, 22, 19, .14) 30% 100%);
}

.page-news .news-chapter--light .news-head__num {
  color: var(--signal-600);
}

.page-news .news-chapter--light .news-head__title {
  color: var(--ink-950);
}

.page-news .news-chapter--light .prose {
  color: var(--concrete-900);
}

.page-news .news-chapter__intro {
  margin-bottom: clamp(26px, 4vw, 44px);
}

/* ---------- 三步对照 ---------- */
.page-news .news-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 30px);
}

.page-news .news-steps__item {
  position: relative;
  padding-top: 20px;
  border-top: 2px solid rgba(7, 22, 19, .14);
}

.page-news .news-steps__item::after {
  content: "";
  position: absolute;
  top: -2px;
  left: 0;
  width: 48px;
  height: 2px;
  background: var(--signal-500);
}

.page-news .news-steps__num {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--concrete-500);
}

.page-news .news-steps__title {
  margin: 0 0 8px;
  font-size: 19px;
  font-weight: 900;
  color: var(--ink-950);
}

.page-news .news-steps__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: #3A4642;
}

/* ---------- 数字块 ---------- */
.page-news .news-chapter__body--split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 48px);
}

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

.page-news .news-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(148px, 1fr));
  gap: 14px;
}

.page-news .news-stats .stat {
  padding: 18px 18px 16px;
  background: var(--concrete-900);
  border-left: 3px solid var(--signal-500);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
}

.page-news .news-stats .stat__num {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-data);
  font-size: clamp(26px, 4vw, 36px);
  font-weight: 700;
  line-height: 1;
  color: var(--paint-050);
}

.page-news .news-stats .stat__label {
  font-size: 13px;
  line-height: 1.6;
  color: var(--concrete-500);
}

/* ---------- 图片容器 ---------- */
.page-news .media-frame {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--line-soft);
  background: linear-gradient(160deg, var(--channel-800), var(--ink-950));
}

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

.page-news .media-frame__caption {
  padding: 10px 14px;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--concrete-500);
  background: rgba(7, 22, 19, .66);
}

.page-news .news-chapter--light .media-frame {
  border-color: rgba(7, 22, 19, .14);
  background: linear-gradient(160deg, #DCE4DD, var(--paint-050));
}

.page-news .news-chapter--light .media-frame__caption {
  background: rgba(7, 22, 19, .05);
  color: #4A5651;
}

/* ---------- 延伸阅读 ---------- */
.page-news .news-next {
  margin-top: var(--news-block);
  padding-top: clamp(24px, 4vw, 46px);
  border-top: 2px solid var(--turf-700);
}

.page-news .news-next__title {
  margin: 0 0 clamp(18px, 3vw, 28px);
  font-size: clamp(20px, 3vw, 28px);
  font-weight: 900;
  color: var(--paint-050);
}

.page-news .news-next__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-soft);
}

.page-news .news-next__link {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 24px;
  padding: 18px 4px;
  border-bottom: 1px solid var(--line-soft);
  color: var(--concrete-200);
  text-decoration: none;
  transition: color .2s var(--ease), padding-left .2s var(--ease);
}

.page-news .news-next__link:hover,
.page-news .news-next__link:focus-visible {
  color: var(--neon-400);
  padding-left: 14px;
}

.page-news .news-next__name {
  font-size: 17px;
  font-weight: 700;
}

.page-news .news-next__note {
  font-size: 13px;
  color: var(--concrete-500);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-news .news-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  }

  .page-news .news-chapter__body--split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .page-news .news-layout {
    grid-template-columns: var(--news-rail-w) minmax(0, 1fr);
    gap: clamp(24px, 3vw, 52px);
  }

  .page-news .news-rail {
    border-bottom: 0;
    padding-bottom: 0;
  }

  .page-news .news-rail__list {
    position: sticky;
    top: 124px;
    flex-direction: column;
    gap: 2px;
    overflow: visible;
  }

  .page-news .news-rail__item {
    flex: 0 0 auto;
  }

  .page-news .news-rail__link {
    display: block;
    padding: 10px 0 10px 14px;
    border: 0;
    border-left: 2px solid var(--line-soft);
    border-radius: 0;
    background: none;
    white-space: normal;
  }

  .page-news .news-rail__num {
    display: block;
    margin-bottom: 4px;
  }

  .page-news .news-rail__text {
    display: block;
    font-size: 13px;
    line-height: 1.4;
    color: var(--concrete-500);
    transition: color .2s var(--ease);
  }

  .page-news .news-rail__link:hover,
  .page-news .news-rail__link:focus-visible {
    border-left-color: var(--neon-400);
    color: var(--neon-400);
  }

  .page-news .news-rail__link:hover .news-rail__text,
  .page-news .news-rail__link:focus-visible .news-rail__text {
    color: var(--neon-400);
  }
}

@media (max-width: 560px) {
  .page-news .news-hero__actions .btn {
    width: 100%;
    text-align: center;
  }

  .page-news .news-stats {
    grid-template-columns: repeat(auto-fit, minmax(128px, 1fr));
  }
}