.page-news {
  --news-cyan-line: rgba(63, 224, 208, 0.42);
  --news-gap: clamp(48px, 7vw, 96px);
  background-color: var(--ink-0);
  color: var(--fg);
  overflow-x: hidden;
}

.page-news .crumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--fg-2);
}

.page-news .crumbs li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--line);
}

.page-news .crumbs a {
  color: var(--fg-2);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-news .crumbs a:hover,
.page-news .crumbs a:focus-visible {
  color: var(--cy-soft);
  border-bottom-color: var(--news-cyan-line);
}

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

.page-news .eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cy);
  margin: 0 0 10px;
}

.page-news .section-title {
  font-size: clamp(24px, 4.4vw, 36px);
  font-weight: 800;
  line-height: 1.24;
  letter-spacing: -0.015em;
  margin: 0 0 16px;
  max-width: 22em;
}

.page-news .prose p {
  font-size: 16px;
  line-height: 1.85;
  color: var(--fg-2);
  margin: 0 0 16px;
  max-width: 38em;
}

.page-news .meta {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--fg-2);
}

.page-news .media {
  position: relative;
  overflow: hidden;
  border-radius: var(--r-md);
  background-color: var(--ink-1);
  border: 1px solid var(--line);
}

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

.page-news .media-caption {
  display: block;
  margin-top: 10px;
}

/* ---------- 首屏 ---------- */

.page-news .news-hero {
  padding-top: clamp(26px, 5vw, 56px);
}

.page-news .hero-grid {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
}

.page-news .hero-crumbs {
  margin-bottom: 4px;
}

.page-news .news-hero h1 {
  font-size: clamp(30px, 6.2vw, 54px);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -0.025em;
  margin: 0 0 18px;
  max-width: 16em;
  background-image: linear-gradient(180deg, var(--fg) 68%, rgba(169, 180, 198, 0.9) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.page-news .hero-lead {
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.85;
  color: var(--fg-2);
  max-width: 36em;
  margin: 0 0 24px;
}

.page-news .hero-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 0 0 26px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  max-width: 520px;
}

.page-news .hero-facts dt {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--fg-2);
  margin-bottom: 6px;
}

.page-news .hero-facts dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(18px, 2.4vw, 22px);
  font-weight: 500;
  color: var(--cy-soft);
  letter-spacing: 0.02em;
}

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

.page-news .hero-media {
  aspect-ratio: 2 / 1;
  box-shadow: 0 30px 80px -50px rgba(63, 224, 208, 0.55);
}

.page-news .hero-media img {
  height: 100%;
}

/* ---------- 时间轴 ---------- */

.page-news .axle-band {
  margin-top: clamp(34px, 5vw, 60px);
  padding: 18px 0 22px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background-image: linear-gradient(180deg, rgba(14, 22, 38, 0.92), rgba(7, 11, 20, 0.35));
}

.page-news .axle-label {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 16px;
}

.page-news .axle-pulse {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--cy);
  box-shadow: 0 0 0 4px rgba(63, 224, 208, 0.16);
}

.page-news .axle {
  display: flex;
  gap: 0;
  list-style: none;
  margin: 0;
  padding: 0 0 8px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
}

.page-news .axle::-webkit-scrollbar {
  height: 4px;
}

.page-news .axle::-webkit-scrollbar-thumb {
  background-color: var(--line);
  border-radius: 4px;
}

.page-news .axle-item {
  flex: 0 0 auto;
  scroll-snap-align: start;
}

.page-news .node {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 128px;
  padding: 0 16px 10px;
  text-decoration: none;
  color: var(--fg-2);
}

.page-news .node-tick {
  display: block;
  width: 100%;
  height: 2px;
  border-radius: 2px;
  background-color: var(--line);
  transition: background-color 0.2s var(--ease), height 0.2s var(--ease);
}

.page-news .node-idx {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--fg);
  line-height: 1;
}

.page-news .node-topic {
  font-size: 13px;
  line-height: 1.5;
  color: var(--fg-2);
}

.page-news .node-flag {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--mg);
  border: 1px solid rgba(240, 71, 154, 0.45);
  border-radius: 999px;
  padding: 2px 8px;
}

.page-news .node:hover .node-tick,
.page-news .node:focus-visible .node-tick {
  background-color: var(--cy);
  height: 3px;
}

.page-news .node:hover .node-idx,
.page-news .node:focus-visible .node-idx {
  color: var(--cy-soft);
}

.page-news .axle-item.is-latest .node-tick {
  background-image: var(--grad-signal);
  height: 3px;
}

.page-news .axle-item.is-latest .node-idx {
  color: var(--cy);
}

/* ---------- 专栏说明 ---------- */

.page-news .section {
  padding: var(--news-gap) 0;
}

.page-news .split {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
  align-items: start;
}

.page-news .rule-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-news .rule-list li {
  position: relative;
  padding: 13px 0 13px 22px;
  border-bottom: 1px solid var(--line);
  font-size: 15px;
  line-height: 1.7;
  color: var(--fg-2);
}

.page-news .rule-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 22px;
  width: 8px;
  height: 1px;
  background-color: var(--cy);
}

.page-news .latest-card {
  padding: clamp(22px, 3vw, 32px);
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background-color: rgba(20, 32, 52, 0.62);
  background-image: var(--grad-veil);
  backdrop-filter: blur(10px);
  box-shadow: 0 30px 70px -56px rgba(240, 71, 154, 0.8);
}

.page-news .latest-card h3 {
  font-size: clamp(20px, 2.6vw, 24px);
  font-weight: 700;
  line-height: 1.35;
  margin: 0 0 12px;
}

.page-news .latest-sum {
  font-size: 15px;
  line-height: 1.8;
  color: var(--fg-2);
  margin: 0 0 18px;
}

.page-news .point-list {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
}

.page-news .point-list li {
  position: relative;
  padding: 0 0 10px 18px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--fg);
}

.page-news .point-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-image: var(--grad-signal);
}

/* ---------- 三项指标 ---------- */

.page-news .section--metrics {
  background-color: var(--ink-1);
  background-image: var(--grad-veil);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

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

.page-news .metrics-grid {
  display: grid;
  gap: clamp(26px, 4vw, 42px);
  align-items: start;
}

.page-news .metrics-media {
  aspect-ratio: 1100 / 620;
}

.page-news .metrics-media img {
  height: 100%;
}

.page-news .metric-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-news .metric-item {
  padding: 20px 20px 22px;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background-color: rgba(7, 11, 20, 0.55);
  transition: border-color 0.2s var(--ease);
}

.page-news .metric-item:hover {
  border-color: var(--news-cyan-line);
}

.page-news .metric-no {
  display: block;
  color: var(--cy);
  margin-bottom: 8px;
}

.page-news .metric-name {
  font-size: 20px;
  font-weight: 700;
  margin: 0 0 10px;
  letter-spacing: -0.01em;
}

.page-news .metric-desc {
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--fg-2);
  margin: 0 0 18px;
}

.page-news .metric-scale {
  display: block;
  position: relative;
  height: 4px;
  border-radius: 3px;
  background-image: var(--grad-signal);
  opacity: 0.7;
  margin-bottom: 14px;
}

.page-news .metric-scale::after {
  content: "";
  position: absolute;
  top: -3px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--fg);
}

.page-news .metric-item:nth-child(1) .metric-scale::after {
  left: 24%;
}

.page-news .metric-item:nth-child(2) .metric-scale::after {
  left: 62%;
}

.page-news .metric-item:nth-child(3) .metric-scale::after {
  left: 46%;
}

.page-news .metric-range {
  display: block;
  color: var(--fg-2);
}

/* ---------- 期数目录与筛选 ---------- */

.page-news .list-head {
  margin-bottom: clamp(22px, 3vw, 34px);
}

.page-news .filter-band {
  position: relative;
  margin-bottom: clamp(26px, 4vw, 42px);
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  overflow: hidden;
  background-color: var(--ink-1);
}

.page-news .filter-deco {
  display: block;
  width: 100%;
  height: auto;
  max-height: 190px;
  object-fit: cover;
  opacity: 0.5;
}

.page-news .chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 18px 18px 20px;
  border-top: 1px solid var(--line);
}

.page-news .chip {
  appearance: none;
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1;
  padding: 11px 18px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background-color: rgba(20, 32, 52, 0.55);
  color: var(--fg-2);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-news .chip:hover,
.page-news .chip:focus-visible {
  color: var(--fg);
  border-color: var(--news-cyan-line);
}

.page-news .chip.is-active,
.page-news .chip[aria-pressed="true"] {
  color: var(--ink-0);
  border-color: transparent;
  background-image: var(--grad-signal);
  font-weight: 600;
}

.page-news .ep-list {
  list-style: none;
  margin: 0;
  padding: 0 0 0 30px;
  position: relative;
}

.page-news .ep-list::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 14px;
  bottom: 14px;
  width: 1px;
  background-image: linear-gradient(180deg, var(--cy) 0%, var(--vi) 55%, var(--mg) 100%);
  opacity: 0.42;
}

.page-news .ep {
  position: relative;
  margin-bottom: 14px;
}

.page-news .ep::before {
  content: "";
  position: absolute;
  left: -30px;
  top: 26px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background-color: var(--ink-0);
  border: 2px solid var(--cy);
  transition: background-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.page-news .ep:hover::before {
  background-color: var(--cy);
}

.page-news .ep:target::before {
  background-color: var(--cy);
  box-shadow: 0 0 0 5px rgba(63, 224, 208, 0.18);
}

.page-news .ep-card {
  padding: 18px 20px 20px;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background-color: rgba(20, 32, 52, 0.5);
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-news .ep-card:hover {
  border-color: var(--news-cyan-line);
  transform: translateY(-1px);
}

.page-news .ep:target .ep-card {
  border-color: var(--news-cyan-line);
  background-color: rgba(20, 32, 52, 0.72);
}

.page-news .ep-head {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.page-news .ep-idx {
  font-family: var(--font-mono);
  font-size: 30px;
  font-weight: 500;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--cy-soft);
  flex: 0 0 auto;
}

.page-news .ep-head-txt {
  min-width: 0;
}

.page-news .ep-title {
  font-size: 19px;
  font-weight: 700;
  line-height: 1.35;
  margin: 0 0 6px;
}

.page-news .ep-meta {
  margin: 0;
  color: var(--mg);
}

.page-news .ep-sum {
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--fg-2);
  margin: 12px 0 0;
  max-width: 46em;
}

.page-news .ep-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  list-style: none;
  margin: 14px 0 0;
  padding: 14px 0 0;
  border-top: 1px solid var(--line);
}

.page-news .ep-metrics li {
  display: flex;
  align-items: baseline;
  gap: 7px;
  font-size: 13px;
  color: var(--fg-2);
}

.page-news .ep-metrics b {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 500;
  color: var(--fg);
  letter-spacing: 0.02em;
}

/* ---------- 常问与延伸 ---------- */

.page-news .section--faq {
  background-color: var(--ink-1);
  border-top: 1px solid var(--line);
}

.page-news .faq-head {
  margin-bottom: clamp(24px, 3.5vw, 38px);
}

.page-news .faq-grid {
  display: grid;
  gap: 16px;
  margin-bottom: clamp(34px, 5vw, 56px);
}

.page-news .faq-item {
  padding: 20px 20px 22px;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background-color: rgba(7, 11, 20, 0.5);
}

.page-news .faq-item h3 {
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.5;
  margin: 0 0 10px;
}

.page-news .faq-item p {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--fg-2);
  margin: 0;
}

.page-news .read-on-title {
  font-size: clamp(18px, 2.4vw, 22px);
  font-weight: 700;
  margin: 0 0 18px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.page-news .route-cards {
  display: grid;
  gap: 14px;
}

.page-news .route-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background-color: rgba(20, 32, 52, 0.45);
  text-decoration: none;
  color: var(--fg);
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-news .route-card:hover,
.page-news .route-card:focus-visible {
  border-color: var(--news-cyan-line);
  transform: translateY(-2px);
}

.page-news .route-card strong {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
}

.page-news .route-card span:last-child {
  font-size: 14px;
  line-height: 1.75;
  color: var(--fg-2);
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-news .metrics-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-news .faq-grid {
    grid-template-columns: 1fr 1fr;
  }

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

  .page-news .ep-list {
    padding-left: 40px;
  }

  .page-news .ep::before {
    left: -40px;
  }

  .page-news .ep-list::before {
    left: 5px;
  }
}

@media (min-width: 1024px) {
  .page-news .hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: center;
  }

  .page-news .split {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  }

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

  .page-news .metrics-figure {
    position: sticky;
    top: calc(var(--header-h) + 24px);
    align-self: start;
    margin: 0;
  }

  .page-news .ep-card {
    padding: 22px 26px 24px;
  }

  .page-news .ep-list {
    padding-left: 52px;
  }

  .page-news .ep::before {
    left: -52px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .ep-card,
  .page-news .route-card,
  .page-news .node-tick,
  .page-news .chip {
    transition: none;
  }
}