.page-news {
  --news-chip-bg: #141414;
  --news-chip-line: #2A2D31;
  --news-dip: rgba(13, 13, 13, .88);
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  padding-bottom: clamp(56px, 8vw, 96px);
}

.page-news .breadcrumbs {
  padding: 18px 0 4px;
}

/* ---------- 刊头 ---------- */
.page-news .news-masthead {
  position: relative;
  padding: clamp(22px, 4vw, 42px) 0 clamp(18px, 3vw, 30px);
  border-bottom: 1px solid var(--line);
}

.page-news .news-masthead::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: clamp(64px, 18vw, 180px);
  height: 2px;
  background: var(--grad-ember);
}

.page-news .news-masthead__title {
  margin: 14px 0 16px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(36px, 8.4vw, 88px);
  line-height: 0.98;
  letter-spacing: -0.03em;
  text-wrap: balance;
}

.page-news .news-masthead__title em {
  font-style: normal;
  color: var(--accent);
}

.page-news .news-masthead__lead {
  max-width: 64ch;
  color: var(--text);
  opacity: 0.86;
}

/* ---------- 阶段索引 ---------- */
.page-news .stage-index {
  padding: 20px 0 24px;
  border-bottom: 1px solid var(--line);
}

.page-news .stage-index__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 16px;
  margin-bottom: 12px;
}

.page-news .stage-index__title {
  margin: 0;
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--muted);
  text-transform: uppercase;
}

.page-news .stage-index__now {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--accent-3);
}

.page-news .stage-index__track {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.page-news .stage-chip {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 13px 14px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--text);
  background: var(--news-chip-bg);
  border: 1px solid var(--news-chip-line);
  cursor: pointer;
  text-align: left;
  transition: background 0.18s ease, border-color 0.18s ease, transform 0.18s ease;
}

.page-news .stage-chip__num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
}

.page-news .stage-chip:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.page-news .stage-chip.is-active {
  background: var(--grad-ember);
  border-color: transparent;
  color: #FFFFFF;
}

.page-news .stage-chip.is-active .stage-chip__num {
  color: rgba(255, 255, 255, 0.78);
}

.page-news .stage-chip:focus-visible {
  outline: 2px solid var(--accent-3);
  outline-offset: 2px;
}

/* ---------- 主视觉 ---------- */
.page-news .news-banner {
  position: relative;
  margin: 24px 0 4px;
  overflow: hidden;
  background: var(--surface-2);
  border: 1px solid var(--line);
}

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

.page-news .news-banner::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(13, 13, 13, 0) 42%, rgba(13, 13, 13, 0.86) 100%);
}

/* ---------- 条目列表 ---------- */
.page-news .news-feed {
  padding: clamp(30px, 5vw, 48px) 0 0;
}

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

.page-news .feed__item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.page-news .feed__num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding-top: 3px;
}

.page-news .feed__num--ember { color: var(--accent); }
.page-news .feed__num--arc   { color: var(--accent-2); }
.page-news .feed__num--flux  { color: var(--accent-3); }

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

.page-news .feed__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 10px;
  margin-bottom: 8px;
}

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

.page-news .feed__title {
  margin: 0 0 8px;
  font-family: var(--font-body);
  font-size: clamp(17px, 2.4vw, 22px);
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.34;
  color: var(--text);
}

.page-news .feed__excerpt {
  margin: 0 0 10px;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-news .feed__link {
  display: inline-block;
  font-size: 14px;
  font-weight: 700;
  color: var(--accent-2);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 200, 255, 0.35);
  transition: color 0.16s ease, border-color 0.16s ease;
}

.page-news .feed__link:hover {
  color: var(--accent-3);
  border-color: var(--accent-3);
}

.page-news .feed__figure {
  grid-column: 1 / -1;
  margin: 14px 0 0;
  background: var(--surface-2);
  border: 1px solid var(--line);
  overflow: hidden;
}

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

.page-news .feed__item--card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 22px 16px;
  margin: 10px 0;
}

/* ---------- 重点追踪 ---------- */
.page-news .news-trackers {
  padding: clamp(40px, 6vw, 64px) 0 0;
}

.page-news .trackers {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: 20px;
}

.page-news .tracker {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 18px 20px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-top-width: 3px;
}

.page-news .tracker--ember { border-top-color: var(--accent); }
.page-news .tracker--arc   { border-top-color: var(--accent-2); }
.page-news .tracker--flux  { border-top-color: var(--accent-3); }

.page-news .tracker__title {
  margin: 0;
  font-size: clamp(17px, 2.3vw, 20px);
  font-weight: 800;
  line-height: 1.36;
  letter-spacing: -0.01em;
}

.page-news .tracker__body {
  margin: 0;
  flex: 1;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-news .tracker__link {
  align-self: flex-start;
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid var(--line);
  transition: color 0.16s ease, border-color 0.16s ease;
}

.page-news .tracker__link:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.page-news .trackers__figure {
  margin: 0;
  overflow: hidden;
  background: var(--grad-arc);
  border: 1px solid var(--line);
  min-height: 180px;
}

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

/* ---------- 专题系列 ---------- */
.page-news .news-series {
  padding: clamp(40px, 6vw, 64px) 0 0;
}

.page-news .series-stack {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin-top: 20px;
}

.page-news .series {
  padding: 22px 18px 20px;
  background: var(--surface-2);
  border-left: 3px solid var(--line);
}

.page-news .series--ember { border-left-color: var(--accent); }
.page-news .series--arc   { border-left-color: var(--accent-2); }
.page-news .series--flux  { border-left-color: var(--accent-3); }

.page-news .series__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 14px;
  margin-bottom: 8px;
}

.page-news .series__num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.page-news .series__freq {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--accent-3);
}

.page-news .series__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(26px, 5vw, 40px);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.02;
}

.page-news .series__body {
  margin: 0;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 编辑推荐 + 归档 ---------- */
.page-news .news-picks {
  padding: clamp(40px, 6vw, 64px) 0 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
}

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

.page-news .picks__item {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.page-news .picks__num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent);
  letter-spacing: 0.06em;
}

.page-news .picks__link {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
  line-height: 1.5;
  transition: color 0.16s ease;
}

.page-news .picks__link:hover {
  color: var(--accent-3);
}

.page-news .picks__tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  padding: 3px 8px;
  color: var(--muted);
  border: 1px solid var(--line);
  white-space: nowrap;
}

.page-news .archive {
  padding: 20px 18px 18px;
  background: var(--paper);
  color: var(--paper-ink);
}

.page-news .archive__head {
  margin-bottom: 14px;
}

.page-news .archive__head .h3 {
  margin: 0 0 8px;
  color: var(--paper-ink);
  font-weight: 800;
}

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

.page-news .archive__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: rgba(26, 21, 18, 0.16);
}

.page-news .archive__item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 10px 8px;
  background: var(--paper);
}

.page-news .archive__item.is-current {
  background: var(--paper-ink);
  color: var(--paper);
}

.page-news .archive__year {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
}

.page-news .archive__state {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--paper-muted);
}

.page-news .archive__item.is-current .archive__state {
  color: var(--accent-3);
}

/* ---------- 更新节奏 ---------- */
.page-news .news-cadence {
  padding: clamp(40px, 6vw, 64px) 0 0;
}

.page-news .cadence-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin-top: 20px;
}

.page-news .cadence {
  position: relative;
  padding: 22px 18px 20px;
  background: var(--surface);
  border: 1px solid var(--line);
}

.page-news .cadence::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: var(--grad-ember);
}

.page-news .cadence__num {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--accent-3);
}

.page-news .cadence__title {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-news .cadence__body {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-news .cadence__body a,
.page-news .cadence__link {
  color: var(--accent-2);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 200, 255, 0.35);
}

.page-news .cadence__link:hover,
.page-news .cadence__body a:hover {
  color: var(--accent-3);
  border-color: var(--accent-3);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-news .stage-index__track {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .feed__item {
    grid-template-columns: 46px minmax(0, 1fr);
    gap: 16px;
    padding: 26px 0;
  }

  .page-news .feed__item--card {
    grid-template-columns: 46px minmax(0, 1fr);
    padding: 26px 22px;
  }

  .page-news .feed__item--card .feed__figure {
    grid-column: 2 / -1;
  }

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

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

  .page-news .series:nth-child(3) {
    grid-column: 1 / -1;
  }

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

  .page-news .news-picks {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: 36px;
  }
}

@media (min-width: 1040px) {
  .page-news .feed__item--card {
    grid-template-columns: 46px minmax(0, 1fr) 300px;
    align-items: start;
  }

  .page-news .feed__item--card .feed__figure {
    grid-column: 3 / 4;
    grid-row: 1 / 2;
    margin: 0;
  }

  .page-news .trackers {
    grid-template-columns: repeat(3, minmax(0, 1fr)) minmax(0, 1.15fr);
    align-items: stretch;
  }

  .page-news .series-stack {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-news .series:nth-child(3) {
    grid-column: auto;
  }

  .page-news .series:nth-child(2) {
    transform: translateY(22px);
  }

  .page-news .series:nth-child(3) {
    transform: translateY(44px);
  }

  .page-news .news-series {
    padding-bottom: 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .stage-chip,
  .page-news .feed__link,
  .page-news .tracker__link,
  .page-news .picks__link,
  .page-news .cadence__link {
    transition: none;
  }

  .page-news .series:nth-child(2),
  .page-news .series:nth-child(3) {
    transform: none;
  }
}