.page-news {
  --news-rail: 172px;
  --news-side: 320px;
  background: var(--ink-950);
  color: var(--text);
  padding-bottom: 0;
}

.page-news .breadcrumb {
  padding: clamp(20px, 4vw, 32px) 0 0;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  padding: clamp(32px, 6vw, 56px) 0 clamp(40px, 6vw, 72px);
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px),
    radial-gradient(circle at 84% 8%, rgba(22, 208, 124, 0.18), transparent 58%),
    radial-gradient(circle at 4% 72%, rgba(255, 91, 46, 0.12), transparent 55%);
  background-size: 72px 72px, 72px 72px, auto, auto;
  border-bottom: 1px solid var(--line-soft);
}

.page-news .news-hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 48px);
  align-items: end;
}

.page-news .news-hero__kicker {
  margin: 0 0 16px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--green);
  text-transform: uppercase;
}

.page-news .news-hero h1 {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(2.2rem, 5.4vw, 4.4rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-news .news-hero__intro {
  margin: 20px 0 0;
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text);
}

.page-news .news-hero__status {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 18px;
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--line-soft);
}

.page-news .news-hero__stamp {
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--amber);
}

.page-news .news-hero__index-link {
  font-size: 13px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(79, 209, 255, 0.4);
  padding-bottom: 2px;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-news .news-hero__index-link:hover,
.page-news .news-hero__index-link:focus-visible {
  color: var(--white);
  border-color: var(--green);
}

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

/* ---------- 首屏数据面板 ---------- */
.page-news .news-panel {
  background: linear-gradient(165deg, var(--ink-800), var(--ink-900) 72%);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - 26px) 0, 100% 26px, 100% 100%, 26px 100%, 0 calc(100% - 26px));
  padding: 16px;
}

.page-news .news-panel__media {
  margin: 0;
  overflow: hidden;
}

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

.page-news .news-panel__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 16px 0 0;
  background: var(--line-soft);
}

.page-news .news-panel__stats > div {
  background: var(--ink-900);
  padding: 12px 14px;
}

.page-news .news-panel__stats dt {
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-news .news-panel__stats dd {
  margin: 6px 0 0;
  font-size: 17px;
  color: var(--white);
}

/* ---------- 主布局 ---------- */
.page-news .news-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 44px);
  padding: clamp(36px, 6vw, 72px) 0 clamp(48px, 7vw, 88px);
}

.page-news .index-rail {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 6px;
  scrollbar-width: thin;
}

.page-news .index-rail__link {
  flex: 0 0 auto;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
  text-decoration: none;
  padding: 6px 10px;
  border: 1px solid var(--line-soft);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-news .index-rail__link:hover,
.page-news .index-rail__link:focus-visible,
.page-news .index-rail__link[aria-current="true"] {
  color: var(--white);
  border-color: var(--green);
  background: rgba(22, 208, 124, 0.1);
}

/* ---------- 区块抬头 ---------- */
.page-news .news-section + .news-section {
  margin-top: clamp(48px, 7vw, 88px);
  padding-top: clamp(32px, 5vw, 56px);
  border-top: 1px solid var(--line-soft);
}

.page-news .section-head {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  column-gap: 14px;
  row-gap: 10px;
  margin-bottom: clamp(22px, 3vw, 34px);
}

.page-news .section-head__index {
  grid-row: 1 / span 2;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--green);
  padding-top: 8px;
  border-top: 2px solid var(--green);
}

.page-news .section-head__title {
  margin: 0;
  font-size: clamp(1.4rem, 3vw, 2rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-news .section-head__lead {
  margin: 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 今日更新索引列表 ---------- */
.page-news .stream-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-soft);
}

.page-news .stream-item {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 4px 16px;
  padding: 16px 14px 16px 12px;
  border-bottom: 1px solid var(--line-soft);
  border-left: 2px solid transparent;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-news .stream-item:hover,
.page-news .stream-item:focus-within {
  background: var(--ink-800);
  border-left-color: var(--green);
  transform: translateX(2px);
}

.page-news .stream-item__time {
  font-size: 13px;
  color: var(--amber);
  letter-spacing: 0.04em;
  padding-top: 2px;
}

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

.page-news .stream-item__title {
  margin: 8px 0 0;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.45;
  color: var(--white);
}

.page-news .stream-item__note {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
  transition: color var(--dur) var(--ease);
}

.page-news .stream-item:hover .stream-item__note {
  color: var(--text);
}

/* ---------- 标签 ---------- */
.page-news .news-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mist);
  background: rgba(79, 209, 255, 0.1);
  border: 1px solid var(--line);
  padding: 2px 9px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%);
}

.page-news .news-tag__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

.page-news .news-tag--preview {
  color: var(--green);
  background: rgba(22, 208, 124, 0.12);
  border-color: rgba(22, 208, 124, 0.4);
}

.page-news .news-tag--review {
  color: var(--cyan);
  background: rgba(79, 209, 255, 0.12);
  border-color: rgba(79, 209, 255, 0.35);
}

.page-news .news-tag--notice {
  color: var(--amber);
  background: rgba(255, 194, 75, 0.12);
  border-color: rgba(255, 194, 75, 0.38);
}

/* ---------- 资讯栏 ---------- */
.page-news .news-feed-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 32px);
  margin-bottom: clamp(24px, 3vw, 36px);
}

.page-news .news-feed-grid__text p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text);
}

.page-news .news-feed-grid__media {
  margin: 0;
  border: 1px solid var(--line-soft);
  background: var(--ink-900);
}

.page-news .media-frame__caption {
  display: block;
  padding: 8px 12px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
  border-top: 1px solid var(--line-soft);
}

.page-news .feed-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}

.page-news .feed-item {
  background: var(--ink-950);
  padding: 18px 18px 18px 16px;
  border-left: 2px solid transparent;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-news .feed-item:hover,
.page-news .feed-item:focus-within {
  background: var(--ink-800);
  border-left-color: var(--cyan);
  transform: translateX(2px);
}

.page-news .feed-item__scope {
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

.page-news .feed-item__title {
  margin: 8px 0 0;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.45;
  color: var(--white);
}

.page-news .feed-item__note {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 数据栏视图 ---------- */
.page-news .view-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line-soft);
}

.page-news .view-tab {
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
  text-decoration: none;
  padding: 7px 12px;
  border: 1px solid var(--line-soft);
  background: var(--ink-900);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-news .view-tab:hover,
.page-news .view-tab:focus-visible {
  color: var(--white);
  border-color: var(--green);
  background: rgba(22, 208, 124, 0.12);
}

.page-news .view-rows {
  margin-top: 4px;
}

.page-news .view-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-news .view-row__name {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--white);
  position: relative;
  padding-left: 14px;
}

.page-news .view-row__name::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  background: var(--green);
}

.page-news .view-row__use {
  margin: 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text);
}

.page-news .view-row__sample {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--amber);
}

.page-news .news-timeline {
  margin: clamp(24px, 3vw, 36px) 0 0;
  padding: 16px 12px 0;
  background: linear-gradient(180deg, rgba(18, 36, 56, 0.9), rgba(10, 20, 32, 0.6));
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

.page-news .news-timeline svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-news .news-timeline figcaption {
  padding: 10px 4px 14px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-news .news-visuals {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin-top: clamp(24px, 3vw, 36px);
}

.page-news .news-visuals .media-frame {
  margin: 0;
  border: 1px solid var(--line-soft);
  background: var(--ink-900);
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 20px 100%, 0 calc(100% - 20px));
}

/* ---------- 分类与专题 ---------- */
.page-news .topic-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-bottom: clamp(24px, 3vw, 36px);
}

.page-news .topic-card {
  padding: 18px;
  background: var(--ink-900);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-news .topic-card:hover {
  transform: translateY(-2px);
  border-color: var(--green);
}

.page-news .topic-card__label {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-news .topic-card__title {
  margin: 10px 0 0;
  font-size: 18px;
  color: var(--white);
}

.page-news .topic-card__text {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text);
}

.page-news .series-block__title {
  margin: 0 0 14px;
  font-size: 17px;
  color: var(--white);
}

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

.page-news .series-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 14px 12px;
  border-bottom: 1px solid var(--line-soft);
  border-left: 2px solid transparent;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-news .series-item:hover {
  background: var(--ink-800);
  border-left-color: var(--amber);
}

.page-news .series-item__name {
  font-size: 16px;
  color: var(--white);
}

.page-news .series-item__desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 更新节奏与归档 ---------- */
.page-news .archive-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 32px);
}

.page-news .archive-grid__main p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text);
}

.page-news .archive-facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  align-self: start;
}

.page-news .archive-fact {
  background: var(--ink-900);
  padding: 14px 12px;
}

.page-news .archive-fact__k {
  display: block;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-news .archive-fact__v {
  display: block;
  margin-top: 6px;
  font-size: 17px;
  font-weight: 600;
  color: var(--white);
}

/* ---------- 侧栏数据面板 ---------- */
.page-news .news-side {
  align-self: start;
}

.page-news .side-card {
  padding: 18px;
  background: linear-gradient(170deg, var(--ink-800), var(--ink-900));
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 20px 100%, 0 calc(100% - 20px));
}

.page-news .side-card__label {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--green);
}

.page-news .side-card__title {
  margin: 10px 0 16px;
  font-size: 20px;
  color: var(--white);
}

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

.page-news .side-list__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-news .side-list__k {
  font-size: 13px;
  color: var(--muted);
}

.page-news .side-list__v {
  font-size: 13px;
  color: var(--amber);
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.page-news .side-card__hint {
  margin: 16px 0 14px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text);
}

.page-news .side-card__link {
  display: block;
  font-size: 13px;
  color: var(--cyan);
  text-decoration: none;
  padding: 8px 0;
  border-top: 1px solid var(--line-soft);
  transition: color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.page-news .side-card__link:hover,
.page-news .side-card__link:focus-visible {
  color: var(--white);
  padding-left: 4px;
}

/* ---------- 底部引导 ---------- */
.page-news .news-cta {
  background: var(--ink-900);
  border-top: 1px solid var(--line);
  padding: clamp(36px, 5vw, 64px) 0;
}

.page-news .news-cta__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
  align-items: center;
}

.page-news .news-cta__title {
  margin: 0;
  font-size: clamp(1.3rem, 2.6vw, 1.9rem);
  color: var(--white);
}

.page-news .news-cta__lead {
  margin: 10px 0 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-news .stream-item {
    grid-template-columns: 68px minmax(0, 1fr);
    padding: 18px 18px 18px 14px;
  }

  .page-news .news-feed-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }

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

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

  .page-news .view-row {
    grid-template-columns: 190px minmax(0, 1fr) 170px;
    gap: 12px 24px;
    align-items: start;
  }

  .page-news .series-item {
    grid-template-columns: 200px minmax(0, 1fr);
    gap: 8px 24px;
    align-items: baseline;
  }

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

@media (min-width: 960px) {
  .page-news .news-hero__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }

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

  .page-news .archive-grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
  }
}

@media (min-width: 1080px) {
  .page-news .news-layout {
    grid-template-columns: var(--news-rail) minmax(0, 1fr) var(--news-side);
    align-items: start;
  }

  .page-news .index-rail {
    display: block;
    position: sticky;
    top: 120px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-news .index-rail__link {
    display: block;
    margin-bottom: 8px;
    padding: 9px 12px;
    border-left: 2px solid transparent;
  }

  .page-news .news-side {
    position: sticky;
    top: 120px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .stream-item,
  .page-news .feed-item,
  .page-news .topic-card,
  .page-news .series-item,
  .page-news .side-card__link,
  .page-news .index-rail__link,
  .page-news .view-tab {
    transition: color var(--dur) var(--ease), background var(--dur) var(--ease), border-color var(--dur) var(--ease);
  }

  .page-news .stream-item:hover,
  .page-news .feed-item:hover,
  .page-news .topic-card:hover {
    transform: none;
  }
}