/* ── 动态与观察 · 页面专属样式 ───────────────────────── */

.page-news {
  --news-gap: clamp(16px, 2.2vw, 28px);
  --news-radius: var(--radius-l);
  --news-pad: clamp(20px, 2.6vw, 32px);
  display: block;
  color: var(--paper);
}

/* ── 首屏 ────────────────────────────────────────── */

.page-news .news-hero {
  padding-top: clamp(22px, 4vw, 50px);
  padding-bottom: clamp(24px, 5vw, 64px);
}

.page-news .news-hero__head {
  max-width: 44rem;
  margin-bottom: clamp(28px, 4vw, 52px);
}

.page-news .news-hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.05rem, 6vw, 4.2rem);
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin: 10px 0 18px;
  color: var(--gold);
}

@supports ((-webkit-background-clip: text) or (background-clip: text)) {
  .page-news .news-hero__title {
    background: linear-gradient(115deg, var(--gold-hi) 0%, var(--gold) 58%, #8d6f28 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
  }
}

.page-news .news-hero__lead {
  margin: 0;
  max-width: 40em;
  font-size: clamp(1rem, 1.5vw, 1.1rem);
  line-height: 1.9;
  color: var(--paper);
  opacity: 0.78;
}

.page-news .news-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--news-gap);
}

/* ── 头条条目 ────────────────────────────────────── */

.page-news .news-feature {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  min-height: clamp(300px, 40vw, 440px);
  border-radius: var(--news-radius);
  border: 1px solid var(--glass-line);
  background: var(--ink-deep);
}

.page-news .news-feature__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.55;
}

.page-news .news-feature__scrim {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(102deg, rgba(8, 21, 15, 0.97) 0%, rgba(8, 21, 15, 0.88) 42%, rgba(29, 79, 62, 0.4) 100%),
    radial-gradient(circle at 84% 16%, rgba(139, 92, 246, 0.3), transparent 58%);
}

.page-news .news-feature__body {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: 44rem;
  padding: clamp(24px, 3.6vw, 46px);
}

.page-news .news-feature__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 3.2vw, 2.35rem);
  line-height: 1.28;
  color: var(--paper);
}

.page-news .news-feature__text {
  margin: 0;
  max-width: 38em;
  line-height: 1.9;
  color: var(--mist);
}

.page-news .news-feature__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  margin-top: 6px;
}

/* ── 元信息：分类标签 + 时间刻度 ─────────────────── */

.page-news .news-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
}

.page-news .news-meta__time,
.page-news .news-item__time,
.page-news .news-read,
.page-news .news-item__link {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.07em;
  font-variant-numeric: tabular-nums;
}

.page-news .news-meta__time,
.page-news .news-item__time {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--mist);
}

.page-news .news-meta__time::before,
.page-news .news-item__time::before {
  content: "";
  flex: none;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 8px rgba(53, 214, 240, 0.75);
}

.page-news .news-read {
  color: var(--mist);
  letter-spacing: 0.1em;
}

/* ── 头条两侧的错位条目 ──────────────────────────── */

.page-news .news-side {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: var(--news-pad);
  border-radius: var(--news-radius);
  background: var(--ink-2);
  border: 1px solid var(--line);
}

.page-news .news-side--a {
  border-top: 3px solid var(--blue);
}

.page-news .news-side--b {
  border-top: 3px solid var(--gold);
}

.page-news .news-side__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 1.9vw, 1.4rem);
  line-height: 1.42;
  color: var(--paper);
}

.page-news .news-side__text {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--mist);
}

/* ── 四个方向 ────────────────────────────────────── */

.page-news .news-topics__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--news-gap);
}

.page-news .news-topic {
  position: relative;
  overflow: hidden;
  padding: var(--news-pad);
  padding-left: calc(var(--news-pad) + 8px);
  border-radius: var(--radius-m);
  border: 1px solid var(--line);
  border-left: 3px solid var(--tone, var(--gold));
  background: linear-gradient(160deg, rgba(18, 51, 42, 0.96), rgba(8, 21, 15, 0.96));
}

.page-news .news-topic--gold { --tone: var(--gold); }
.page-news .news-topic--blue { --tone: var(--blue); }
.page-news .news-topic--violet { --tone: var(--violet); }
.page-news .news-topic--mist { --tone: var(--mist); }

.page-news .news-topic__idx {
  position: absolute;
  top: 12px;
  right: 16px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.6rem, 3.4vw, 2.6rem);
  line-height: 1;
  color: rgba(244, 240, 230, 0.09);
}

.page-news .news-topic__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 1.9vw, 1.4rem);
  color: var(--paper);
}

.page-news .news-topic__title::after {
  content: "";
  display: block;
  width: 28px;
  height: 2px;
  margin-top: 12px;
  border-radius: 2px;
  background: var(--tone, var(--gold));
}

.page-news .news-topic__text {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--mist);
}

/* ── 近期条目：两列瀑布 ──────────────────────────── */

.page-news .news-stream {
  column-count: 1;
  column-gap: var(--news-gap);
}

.page-news .news-item {
  position: relative;
  break-inside: avoid;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 0 0 var(--news-gap);
  padding: var(--news-pad);
  border-radius: var(--radius-m);
  background: var(--ink-2);
  border: 1px solid var(--line);
  transition:
    transform 0.34s var(--ease),
    border-color 0.34s var(--ease),
    box-shadow 0.34s var(--ease);
}

.page-news .news-item::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, var(--tone, var(--gold)), rgba(244, 240, 230, 0));
  opacity: 0.8;
}

.page-news .news-item--gold { --tone: var(--gold); }
.page-news .news-item--blue { --tone: var(--blue); }
.page-news .news-item--violet { --tone: var(--violet); }
.page-news .news-item--mist { --tone: var(--mist); }

.page-news .news-item__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 14px;
}

.page-news .news-item__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: var(--radius-s);
  filter: saturate(0.92);
}

.page-news .news-item__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 1.6vw, 1.22rem);
  line-height: 1.45;
  color: var(--paper);
}

.page-news .news-item__text {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.85;
  color: var(--mist);
}

.page-news .news-item__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
}

.page-news .news-item__link {
  color: var(--blue);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid rgba(53, 214, 240, 0.35);
  transition: color 0.24s var(--ease), border-color 0.24s var(--ease);
}

.page-news .news-item__link:hover,
.page-news .news-item__link:focus-visible {
  color: var(--gold-hi);
  border-bottom-color: var(--gold-hi);
}

.page-news .news-item__link:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 3px;
}

@media (hover: hover) and (prefers-reduced-motion: no-preference) {
  .page-news .news-item:hover {
    transform: translateY(-4px);
    border-color: rgba(201, 162, 76, 0.42);
    box-shadow: 0 24px 46px -30px rgba(0, 0, 0, 0.95), 0 0 0 1px rgba(201, 162, 76, 0.14);
  }
}

/* ── 长期专题 ────────────────────────────────────── */

.page-news .news-series__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(30px, 4vw, 46px);
}

.page-news .news-series__item {
  position: relative;
  padding-left: clamp(58px, 8vw, 92px);
}

.page-news .news-series__idx {
  position: absolute;
  left: 0;
  top: 0;
  z-index: 1;
  display: grid;
  place-items: center;
  width: clamp(42px, 5.6vw, 62px);
  height: clamp(42px, 5.6vw, 62px);
  border-radius: 50%;
  border: 1px solid rgba(201, 162, 76, 0.55);
  background: var(--ink-deep);
  color: var(--gold-hi);
  font-family: var(--font-mono);
  font-size: clamp(0.82rem, 1.3vw, 1rem);
  letter-spacing: 0.06em;
  transition: box-shadow 0.34s var(--ease);
}

.page-news .news-series__item::before {
  content: "";
  position: absolute;
  left: calc(clamp(42px, 5.6vw, 62px) / 2 - 0.5px);
  top: clamp(42px, 5.6vw, 62px);
  bottom: -34px;
  width: 1px;
  background: linear-gradient(to bottom, rgba(201, 162, 76, 0.5), rgba(201, 162, 76, 0));
}

.page-news .news-series__item:last-child::before {
  display: none;
}

@media (hover: hover) and (prefers-reduced-motion: no-preference) {
  .page-news .news-series__item:hover .news-series__idx {
    box-shadow: 0 0 0 8px rgba(201, 162, 76, 0.12);
  }
}

.page-news .news-series__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 2.1vw, 1.6rem);
  line-height: 1.35;
  color: var(--paper);
}

.page-news .news-series__text {
  margin: 0 0 10px;
  max-width: 44em;
  line-height: 1.85;
  color: var(--mist);
}

.page-news .news-series__meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.09em;
  color: var(--blue);
}

/* ── 更新节奏 ────────────────────────────────────── */

.page-news .news-cadence__panel {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 4vw, 56px);
  border-radius: var(--news-radius);
  border: 1px solid var(--glass-line);
  background:
    radial-gradient(circle at 12% 0%, rgba(139, 92, 246, 0.16), transparent 55%),
    radial-gradient(circle at 92% 100%, rgba(53, 214, 240, 0.12), transparent 52%),
    var(--ink-2);
}

.page-news .news-cadence__intro {
  max-width: 40rem;
  margin-bottom: clamp(26px, 3.4vw, 44px);
}

.page-news .news-cadence__intro .section-title {
  margin-bottom: 12px;
}

.page-news .news-cadence__intro p:last-child {
  margin: 0;
  line-height: 1.9;
  color: var(--mist);
}

.page-news .news-cadence__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(18px, 2.4vw, 26px);
}

.page-news .news-cadence__row {
  display: grid;
  gap: 12px;
  padding: clamp(18px, 2.2vw, 24px);
  border-radius: var(--radius-m);
  border: 1px solid var(--line);
  background: rgba(8, 21, 15, 0.6);
}

.page-news .news-cadence__freq {
  justify-self: start;
  align-self: start;
  padding: 5px 12px;
  border-radius: 999px;
  border: 1px solid rgba(201, 162, 76, 0.45);
  background: rgba(201, 162, 76, 0.08);
  color: var(--gold-hi);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.16em;
}

.page-news .news-cadence__row h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 1.08rem;
  color: var(--paper);
}

.page-news .news-cadence__row p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--mist);
}

.page-news .news-cadence__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: clamp(26px, 3.4vw, 40px);
  padding-top: clamp(22px, 3vw, 32px);
  border-top: 1px solid var(--line);
}

/* ── 断点与降级 ──────────────────────────────────── */

@media (min-width: 720px) {
  .page-news .news-topics__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-news .news-hero__grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    align-items: start;
  }

  .page-news .news-feature {
    grid-column: 1 / -1;
  }

  .page-news .news-side--a {
    grid-column: 1 / 7;
  }

  .page-news .news-side--b {
    grid-column: 7 / -1;
    margin-top: clamp(48px, 7vw, 96px);
  }

  .page-news .news-stream {
    column-count: 2;
  }
}

@media (min-width: 780px) {
  .page-news .news-cadence__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1080px) {
  .page-news .news-topics__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-item,
  .page-news .news-series__idx,
  .page-news .news-item__link {
    transition: none;
  }

  .page-news .news-item:hover {
    transform: none;
  }
}
<<<END>>>