.page-news {
  --pn-space: 64px;
  --pn-cyan-soft: rgba(79, 227, 208, 0.45);
  display: block;
  color: var(--c-text);
}

@media (min-width: 900px) {
  .page-news {
    --pn-space: 104px;
  }
}

/* ---------- 页首 ---------- */

.page-news .notes-hero {
  position: relative;
  padding: 12px 0 52px;
  border-bottom: 1px solid var(--c-slate);
}

@media (min-width: 900px) {
  .page-news .notes-hero {
    padding: 24px 0 76px;
  }
}

.page-news .notes-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 120px;
  height: 1px;
  background: var(--grad-brand);
}

.page-news .notes-hero h1 {
  margin: 14px 0 20px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(42px, 9vw, 84px);
  line-height: 1;
  letter-spacing: 0.06em;
}

.page-news .notes-hero__lede {
  max-width: 62ch;
  margin: 0 0 34px;
  font-size: 17px;
  line-height: 1.78;
  color: var(--c-text-dim);
}

.page-news .notes-hero__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px 28px;
  margin: 0;
  padding-top: 24px;
  border-top: 1px solid var(--c-slate);
}

@media (min-width: 760px) {
  .page-news .notes-hero__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px 48px;
  }
}

.page-news .notes-hero__facts dt {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-muted);
}

.page-news .notes-hero__facts dd {
  margin: 6px 0 0;
  font-size: var(--fs-16);
  color: var(--c-text);
}

/* ---------- 章节头 ---------- */

.page-news .section-head {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
  margin: 0 0 26px;
  padding-top: 16px;
  border-top: 1px solid var(--c-slate);
}

.page-news .section-head::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 48px;
  height: 1px;
  background: var(--grad-brand);
}

/* ---------- 最新一期 ---------- */

.page-news .notes-feature {
  padding: var(--pn-space) 0;
}

.page-news .notes-feature__grid {
  display: grid;
  gap: 36px;
}

@media (min-width: 960px) {
  .page-news .notes-feature__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 56px;
    align-items: start;
  }
}

.page-news .feature-lead {
  padding-bottom: 26px;
  border-bottom: 1px solid var(--c-slate);
}

.page-news .feature-secondary {
  margin-top: 26px;
  padding-left: 20px;
  border-left: 2px solid var(--c-cyan);
}

.page-news .feature-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 12px;
}

.page-news .feature-meta .mono {
  font-size: var(--fs-12);
}

.page-news .feature-lead h3 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(26px, 4.4vw, 40px);
  line-height: 1.22;
  letter-spacing: 0.02em;
}

.page-news .feature-secondary h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(19px, 2.6vw, 24px);
  line-height: 1.32;
}

.page-news .feature-lead h3 a,
.page-news .feature-secondary h3 a {
  color: var(--c-text);
  text-decoration: none;
  transition: color var(--dur-tap) var(--ease);
}

.page-news .feature-lead h3 a:hover,
.page-news .feature-secondary h3 a:hover {
  color: var(--c-orange);
}

.page-news .feature-excerpt {
  max-width: 62ch;
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.78;
  color: var(--c-text-dim);
}

.page-news .notes-feature__side {
  display: grid;
  gap: 24px;
}

/* ---------- 媒体框 ---------- */

.page-news .media {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--c-slate);
  background: var(--c-night);
}

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

.page-news .media--square img {
  aspect-ratio: 3 / 2;
}

.page-news .media--archive img {
  aspect-ratio: 4 / 5;
}

.page-news .media--wide img {
  aspect-ratio: 16 / 7;
}

.page-news .media-caption {
  margin: 0;
  padding: 10px 14px 12px;
  font-size: var(--fs-12);
  line-height: 1.6;
  color: var(--c-muted);
}

/* ---------- 折线小图 ---------- */

.page-news .spark-panel {
  padding: 18px 20px 20px;
  border: 1px solid var(--c-slate);
  background: var(--c-night);
}

.page-news .spark-panel__svg {
  display: block;
  width: 100%;
  height: auto;
  margin-top: 10px;
}

.page-news .spark-panel__axis {
  stroke: var(--c-slate);
  stroke-width: 1;
}

.page-news .spark-panel__line {
  fill: none;
  stroke: var(--c-cyan);
  stroke-width: 2;
  stroke-linejoin: round;
  stroke-linecap: round;
}

.page-news .spark-panel__dot {
  fill: var(--c-orange);
}

/* ---------- 筛选条 ---------- */

.page-news .notes-stream {
  padding-bottom: var(--pn-space);
}

.page-news .filter-bar {
  position: sticky;
  top: 60px;
  z-index: 6;
  display: flex;
  gap: 10px;
  margin: 0 0 32px;
  padding: 12px 0;
  overflow-x: auto;
  background: var(--c-ink);
  border-bottom: 1px solid var(--c-slate);
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

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

.page-news .filter-btn {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  font-family: var(--font-body);
  font-size: var(--fs-14);
  color: var(--c-text-dim);
  background: transparent;
  border: 1px solid var(--c-slate);
  border-radius: var(--radius);
  cursor: pointer;
  transition: color var(--dur-tap) var(--ease), border-color var(--dur-tap) var(--ease), background-color var(--dur-tap) var(--ease);
}

.page-news .filter-btn:hover {
  color: var(--c-text);
  border-color: var(--c-cyan);
}

.page-news .filter-btn.is-active {
  color: var(--c-cyan);
  border-color: var(--c-cyan);
  background: rgba(79, 227, 208, 0.07);
}

.page-news .filter-btn:focus-visible {
  outline: 2px solid var(--c-cyan);
  outline-offset: 2px;
}

.page-news .filter-count {
  font-size: var(--fs-12);
  color: var(--c-muted);
}

.page-news .filter-btn.is-active .filter-count {
  color: var(--c-cyan);
}

/* ---------- 时间轴 + 情报流 ---------- */

.page-news .stream-grid {
  display: grid;
  gap: 24px;
}

@media (min-width: 900px) {
  .page-news .stream-grid {
    grid-template-columns: 156px minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }
}

.page-news .stream-rail ol {
  display: flex;
  gap: 8px;
  margin: 0 0 8px;
  padding: 0 0 12px;
  list-style: none;
  overflow-x: auto;
  border-bottom: 1px solid var(--c-slate);
  scrollbar-width: none;
}

.page-news .stream-rail ol::-webkit-scrollbar {
  display: none;
}

.page-news .stream-rail a {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 6px 12px;
  border: 1px solid var(--c-slate);
  border-radius: var(--radius);
  color: var(--c-muted);
  font-size: var(--fs-14);
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--dur-tap) var(--ease), border-color var(--dur-tap) var(--ease);
}

.page-news .stream-rail a:hover {
  color: var(--c-text);
  border-color: var(--c-cyan);
}

.page-news .stream-rail a:focus-visible {
  outline: 2px solid var(--c-cyan);
  outline-offset: 2px;
}

.page-news .rail-round {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  color: var(--c-text-dim);
}

.page-news .rail-lv {
  font-size: var(--fs-12);
  opacity: 0.75;
}

@media (min-width: 900px) {
  .page-news .stream-rail {
    position: sticky;
    top: 116px;
  }

  .page-news .stream-rail ol {
    flex-direction: column;
    gap: 4px;
    margin: 0;
    padding: 0;
    overflow: visible;
    border-bottom: 0;
  }

  .page-news .stream-rail li {
    position: relative;
    padding-left: 22px;
  }

  .page-news .stream-rail li:not(:last-child)::before {
    content: "";
    position: absolute;
    left: 4px;
    top: 24px;
    bottom: -4px;
    width: 1px;
    background: var(--c-slate);
  }

  .page-news .stream-rail li::after {
    content: "";
    position: absolute;
    left: 0;
    top: 15px;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--c-ink);
    border: 1px solid var(--c-slate);
    transition: background-color var(--dur-tap) var(--ease), border-color var(--dur-tap) var(--ease), transform var(--dur-tap) var(--ease);
  }

  .page-news .stream-rail li.is-current::after {
    background: var(--c-orange);
    border-color: var(--c-orange);
    transform: scale(1.15);
  }

  .page-news .stream-rail li.is-current .rail-round {
    color: var(--c-orange);
  }

  .page-news .stream-rail a {
    width: 100%;
    padding: 8px 0;
    border: 0;
    background: transparent;
  }
}

/* ---------- 卡片列表 ---------- */

.page-news .stream-list {
  display: grid;
  gap: 20px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .stream-item {
  scroll-margin-top: 150px;
}

.page-news .stream-card {
  padding: 22px;
  border: 1px solid var(--c-slate);
  border-radius: var(--radius);
  background: var(--c-night);
  transition: border-color var(--dur-in) var(--ease), transform var(--dur-in) var(--ease);
}

.page-news .stream-card:hover {
  border-color: var(--pn-cyan-soft);
  transform: translateY(-2px);
}

.page-news .stream-card:target {
  border-color: var(--c-orange);
}

@media (min-width: 720px) {
  .page-news .stream-list > .stream-item:nth-child(3n + 2) .stream-card {
    padding: 30px 26px;
  }

  .page-news .stream-list > .stream-item:nth-child(4n) .stream-card {
    padding: 26px 22px 32px;
  }
}

.page-news .stream-card__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.page-news .stream-card__round {
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  color: var(--c-cyan);
}

.page-news .stream-card__lv,
.page-news .stream-card__time {
  font-size: var(--fs-12);
}

.page-news .stream-card__time {
  margin-left: auto;
}

.page-news .stream-card h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(19px, 2.4vw, 25px);
  line-height: 1.34;
  letter-spacing: 0.01em;
  color: var(--c-text);
}

.page-news .stream-card p {
  max-width: 64ch;
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.78;
  color: var(--c-text-dim);
}

/* ---------- 单篇结构 ---------- */

.page-news .notes-detail {
  padding: var(--pn-space) 0;
  border-top: 1px solid var(--c-slate);
}

.page-news .notes-detail__grid {
  display: grid;
  gap: 32px;
}

@media (min-width: 900px) {
  .page-news .notes-detail__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 56px;
    align-items: start;
  }
}

.page-news .detail-list {
  display: grid;
  margin: 0;
}

.page-news .detail-list > div {
  display: grid;
  gap: 4px 20px;
  padding: 18px 0;
  border-bottom: 1px solid var(--c-slate);
}

.page-news .detail-list > div:first-child {
  padding-top: 0;
}

@media (min-width: 640px) {
  .page-news .detail-list > div {
    grid-template-columns: 116px minmax(0, 1fr);
  }
}

.page-news .detail-list dt {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-16);
  letter-spacing: 0.06em;
  color: var(--c-cyan);
}

.page-news .detail-list dd {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.78;
  color: var(--c-text-dim);
}

/* ---------- 归档检索 ---------- */

.page-news .notes-archive {
  padding: var(--pn-space) 0;
  border-top: 1px solid var(--c-slate);
}

.page-news .notes-archive__grid {
  display: grid;
  gap: 32px;
}

@media (min-width: 900px) {
  .page-news .notes-archive__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: 56px;
    align-items: start;
  }
}

.page-news .archive-lede {
  max-width: 60ch;
  margin: 0 0 26px;
  font-size: var(--fs-16);
  line-height: 1.78;
  color: var(--c-text-dim);
}

.page-news .archive-grid {
  display: grid;
  gap: 16px;
}

@media (min-width: 640px) {
  .page-news .archive-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-news .archive-card {
  padding: 20px;
  border: 1px solid var(--c-slate);
  background: var(--c-night);
  transition: border-color var(--dur-tap) var(--ease);
}

.page-news .archive-card:hover {
  border-color: var(--pn-cyan-soft);
}

.page-news .archive-card__key {
  margin: 0 0 10px;
  font-size: var(--fs-12);
  letter-spacing: 0.18em;
  color: var(--c-muted);
}

.page-news .archive-card h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-20);
  letter-spacing: 0.04em;
  color: var(--c-text);
}

.page-news .archive-card p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--c-text-dim);
}

/* ---------- 前瞻与复盘对照 ---------- */

.page-news .notes-compare {
  padding: var(--pn-space) 0 0;
  border-top: 1px solid var(--c-slate);
}

.page-news .compare-grid {
  display: grid;
  gap: 20px;
}

@media (min-width: 860px) {
  .page-news .compare-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 32px;
  }
}

.page-news .compare-card {
  padding: 26px 24px 28px;
  border: 1px solid var(--c-slate);
}

.page-news .compare-card--preview {
  background: linear-gradient(155deg, rgba(11, 26, 38, 0.95), rgba(5, 8, 10, 1));
}

.page-news .compare-card--review {
  background: linear-gradient(155deg, rgba(14, 43, 36, 0.85), rgba(5, 8, 10, 1));
}

.page-news .compare-when {
  margin: 0 0 14px;
  font-size: var(--fs-12);
  letter-spacing: 0.12em;
  color: var(--c-muted);
}

.page-news .compare-card--preview .compare-when {
  color: var(--c-cyan);
}

.page-news .compare-card--review .compare-when {
  color: var(--c-amber);
}

.page-news .compare-card h3 {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(22px, 3vw, 30px);
  letter-spacing: 0.05em;
  color: var(--c-text);
}

.page-news .compare-card ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .compare-card li {
  position: relative;
  padding: 9px 0 9px 18px;
  font-size: var(--fs-14);
  line-height: 1.72;
  color: var(--c-text-dim);
  border-top: 1px solid var(--c-slate);
}

.page-news .compare-card li:first-child {
  border-top: 0;
}

.page-news .compare-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  width: 6px;
  height: 1px;
  background: var(--c-slate);
}

.page-news .notes-band {
  margin: var(--pn-space) auto 0;
  max-width: var(--shell-w);
  border-left: 0;
  border-right: 0;
}

/* ---------- 订阅 ---------- */

.page-news .notes-subscribe {
  padding: var(--pn-space) 0;
}

.page-news .notes-subscribe__inner {
  display: grid;
  gap: 32px;
}

@media (min-width: 900px) {
  .page-news .notes-subscribe__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 56px;
    align-items: start;
  }
}

.page-news .subscribe-lede {
  max-width: 58ch;
  margin: 0 0 26px;
  font-size: var(--fs-16);
  line-height: 1.78;
  color: var(--c-text-dim);
}

.page-news .subscribe-columns {
  display: grid;
  gap: 0;
  margin: 0;
}

.page-news .subscribe-columns > div {
  padding: 16px 0;
  border-top: 1px solid var(--c-slate);
}

.page-news .subscribe-columns dt {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-16);
  letter-spacing: 0.05em;
  color: var(--c-orange);
}

.page-news .subscribe-columns dd {
  margin: 6px 0 0;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--c-text-dim);
}

.page-news .subscribe-actions {
  padding: 24px 22px 26px;
  border: 1px solid var(--c-slate);
  background: var(--c-night);
}

.page-news .subscribe-actions p {
  margin: 0 0 18px;
  font-size: var(--fs-14);
  line-height: 1.78;
  color: var(--c-text-dim);
}

.page-news .subscribe-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 18px;
}

.page-news .subscribe-note {
  margin: 0;
  font-size: var(--fs-12);
  color: var(--c-muted);
}

.page-news .subscribe-note a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--pn-cyan-soft);
}

.page-news .subscribe-note a:hover {
  color: var(--c-orange);
  border-bottom-color: var(--c-orange);
}

/* ---------- 焦点态 ---------- */

.page-news a:focus-visible,
.page-news button:focus-visible {
  outline: 2px solid var(--c-cyan);
  outline-offset: 2px;
}

/* ---------- 减弱动效 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-news *,
  .page-news *::before,
  .page-news *::after {
    transition-duration: 1ms !important;
    animation-duration: 1ms !important;
  }

  .page-news .stream-card:hover {
    transform: none;
  }

  .page-news .stream-rail li.is-current::after {
    transform: none;
  }
}