.page-news {
  --news-index-w: 168px;
  --news-side-w: 236px;
  --news-line: rgba(43, 58, 92, 0.14);
  background: var(--sand);
  color: var(--ink);
  padding-bottom: clamp(40px, 7vw, 84px);
  overflow-x: hidden;
}

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

.page-news .media-frame {
  border-radius: 20px;
  overflow: hidden;
}

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

/* ---------- 首屏 ---------- */

.page-news .news-hero {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding-block: clamp(16px, 3vw, 28px) clamp(26px, 5vw, 48px);
  max-width: 900px;
}

.page-news .news-hero h1 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(30px, 6.4vw, 62px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-news .news-hero .lead {
  margin: 0;
  max-width: 38em;
  font-size: clamp(16px, 1.7vw, 18px);
  line-height: 1.85;
  color: var(--slate);
}

.page-news .news-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  margin: 6px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .news-hero__stat {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 6px 14px 6px 12px;
  border-left: 3px solid var(--sun);
  background: linear-gradient(90deg, rgba(255, 231, 184, 0.75), rgba(255, 231, 184, 0));
}

.page-news .news-hero__num {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  color: var(--sun-deep);
}

.page-news .news-hero__label {
  font-size: 13px;
  color: var(--slate);
}

/* ---------- 头题 ---------- */

.page-news .news-feature {
  display: grid;
  gap: 0;
  margin-top: clamp(8px, 2vw, 18px);
}

.page-news .news-feature__media {
  aspect-ratio: 16 / 10;
  background: var(--sand-deep);
}

.page-news .news-feature__body {
  position: relative;
  padding: clamp(20px, 4vw, 38px);
  background: var(--paper);
  border-left: 4px solid var(--sun);
  border-radius: 0 0 20px 20px;
  margin-top: -22px;
}

.page-news .news-feature__title {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-size: clamp(23px, 3.4vw, 36px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.015em;
}

.page-news .news-feature__prose p {
  margin: 0 0 1em;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--slate);
  max-width: 36em;
}

.page-news .news-feature__prose a {
  color: var(--sun-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-news .news-feature__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--news-line);
}

.page-news .news-feature__time {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--slate);
}

/* ---------- 编目区 ---------- */

.page-news .news-catalog {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  margin-top: clamp(36px, 6vw, 72px);
}

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

.page-news .news-index__list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .news-index__link {
  display: inline-block;
  padding: 4px 10px 4px 0;
  font-size: 15px;
  color: var(--slate);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color 220ms var(--ease), border-color 220ms var(--ease);
}

.page-news .news-index__link:hover,
.page-news .news-index__link:focus-visible {
  color: var(--sun-deep);
  border-bottom-color: var(--gold);
  outline: none;
}

.page-news .news-stream {
  scroll-margin-top: calc(var(--header-h) + 20px);
  min-width: 0;
}

.page-news .news-stream__title {
  margin: 0 0 4px;
  font-family: var(--font-head);
  font-size: clamp(20px, 2.6vw, 26px);
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-news .entry {
  padding: clamp(18px, 3vw, 26px) clamp(10px, 2vw, 20px);
  border-top: 1px solid var(--news-line);
  scroll-margin-top: calc(var(--header-h) + 20px);
  transition: background 260ms var(--ease);
}

.page-news .entry:nth-of-type(odd) {
  background: linear-gradient(90deg, rgba(239, 226, 203, 0.62), rgba(239, 226, 203, 0) 78%);
}

.page-news .entry:last-of-type {
  border-bottom: 1px solid var(--news-line);
}

.page-news .entry:target {
  background: var(--jade-mist);
}

.page-news .entry__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 8px;
}

.page-news .entry__when,
.page-news .entry__time {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--slate);
}

.page-news .entry__time {
  color: var(--sun-deep);
}

.page-news .entry__title {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: clamp(18px, 2.3vw, 22px);
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: -0.01em;
}

.page-news .entry__text {
  margin: 0;
  max-width: 36em;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--slate);
}

.page-news .entry__figure {
  margin: 16px 0 0;
  max-width: 520px;
  aspect-ratio: 3 / 2;
  background: var(--sand-deep);
}

/* ---------- 右侧栏 ---------- */

.page-news .news-side__block + .news-side__block {
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px dashed var(--news-line);
}

.page-news .news-side__subtitle {
  margin: 0 0 10px;
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
}

.page-news .news-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .news-tags__item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 12px 5px 10px;
  font-size: 13.5px;
  color: var(--ink);
  text-decoration: none;
  border: 1px solid rgba(31, 169, 138, 0.5);
  border-radius: 999px;
  background: rgba(216, 241, 233, 0.4);
  transition: background 220ms var(--ease), border-color 220ms var(--ease);
}

.page-news .news-tags__item::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  border: 2px solid var(--jade);
  background: transparent;
}

.page-news .news-tags__item:hover,
.page-news .news-tags__item:focus-visible {
  background: var(--jade-mist);
  border-color: var(--jade);
  outline: none;
}

.page-news .news-side__facts {
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 14px;
  line-height: 1.9;
  color: var(--slate);
}

.page-news .news-side__facts .num {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--sun-deep);
}

.page-news .news-side__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--slate);
}

.page-news .news-side__note a {
  color: var(--sun-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 版本与节奏 ---------- */

.page-news .news-cadence {
  margin-top: clamp(40px, 7vw, 84px);
  padding-block: clamp(36px, 6vw, 72px);
  background: linear-gradient(180deg, var(--sand-deep) 0%, var(--sand) 100%);
}

.page-news .news-cadence__grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

.page-news .news-cadence__title {
  margin: 8px 0 14px;
  font-family: var(--font-head);
  font-size: clamp(24px, 4vw, 38px);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -0.02em;
  max-width: 20em;
}

.page-news .news-cadence__lead {
  margin: 0 0 clamp(20px, 3vw, 32px);
  max-width: 36em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--slate);
}

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

.page-news .news-timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--gold), var(--sun) 45%, var(--jade));
}

.page-news .news-timeline__item {
  position: relative;
  display: grid;
  gap: 4px;
  padding: 0 0 22px 8px;
}

.page-news .news-timeline__item:last-child {
  padding-bottom: 0;
}

.page-news .news-timeline__item::before {
  content: "";
  position: absolute;
  left: -22px;
  top: 7px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--paper);
  border: 3px solid var(--sun);
}

.page-news .news-timeline__item:last-child::before {
  border-color: var(--jade);
}

.page-news .news-timeline__num {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--sun-deep);
  letter-spacing: 0.02em;
}

.page-news .news-timeline__head {
  margin: 0 0 4px;
  font-size: 17px;
  font-weight: 800;
  color: var(--ink);
}

.page-news .news-timeline__body p {
  margin: 0;
  max-width: 34em;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--slate);
}

.page-news .news-cadence__art {
  aspect-ratio: 5 / 3;
  background: var(--sand-deep);
}

/* ---------- 专题系列 ---------- */

.page-news .news-topics {
  padding-block: clamp(40px, 7vw, 80px);
}

.page-news .news-topics__head {
  display: grid;
  gap: clamp(18px, 3vw, 34px);
}

.page-news .news-topics__title {
  margin: 8px 0 12px;
  font-family: var(--font-head);
  font-size: clamp(24px, 4vw, 38px);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -0.02em;
}

.page-news .news-topics__lead {
  margin: 0;
  max-width: 36em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--slate);
}

.page-news .news-topics__art {
  aspect-ratio: 3 / 2;
  background: var(--sand-deep);
}

.page-news .news-topics__list {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
  margin: clamp(28px, 4vw, 48px) 0 0;
  padding: 0;
  list-style: none;
}

.page-news .topic {
  padding: 22px 0 0;
  border-top: 3px solid var(--sun);
}

.page-news .topic:nth-child(2) {
  border-top-color: var(--gold);
}

.page-news .topic:nth-child(3) {
  border-top-color: var(--jade);
}

.page-news .topic__dot {
  margin: 0 0 10px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  border: 2px solid var(--jade);
  background: var(--jade-mist);
}

.page-news .topic__title {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 21px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-news .topic__text {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--slate);
}

.page-news .topic__rhythm {
  margin: 0 0 12px;
  font-size: 13.5px;
  color: var(--slate);
}

.page-news .topic__rhythm .num {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--sun-deep);
  margin-right: 2px;
}

.page-news .topic__link {
  display: inline-block;
  font-size: 14px;
  font-weight: 700;
  color: var(--sun-deep);
  text-decoration: none;
  border-bottom: 2px solid rgba(242, 118, 46, 0.35);
  padding-bottom: 2px;
  transition: border-color 220ms var(--ease), color 220ms var(--ease);
}

.page-news .topic__link:hover,
.page-news .topic__link:focus-visible {
  color: var(--ink);
  border-bottom-color: var(--sun);
  outline: none;
}

/* ---------- 回看 ---------- */

.page-news .news-lookback {
  padding-block: clamp(34px, 6vw, 68px);
  background:
    radial-gradient(140% 120% at 88% 8%, rgba(255, 194, 75, 0.35) 0%, rgba(255, 194, 75, 0) 58%),
    linear-gradient(160deg, var(--pale-gold) 0%, var(--sand) 62%);
}

.page-news .news-lookback__inner {
  display: grid;
  gap: clamp(20px, 3vw, 36px);
}

.page-news .news-lookback__title {
  margin: 8px 0 12px;
  font-family: var(--font-head);
  font-size: clamp(23px, 3.6vw, 34px);
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: -0.02em;
}

.page-news .news-lookback__text p {
  margin: 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--slate);
}

.page-news .news-lookback__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-content: start;
}

.page-news .news-lookback__actions .btn {
  flex: 1 1 160px;
}

/* ---------- 断点 ---------- */

@media (min-width: 720px) {
  .page-news .news-feature__media {
    aspect-ratio: 2 / 1;
  }

  .page-news .news-topics__head {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.72fr);
    align-items: end;
  }

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

  .page-news .news-lookback__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 320px);
    align-items: center;
  }

  .page-news .news-lookback__actions {
    flex-direction: column;
  }

  .page-news .news-lookback__actions .btn {
    flex: 0 0 auto;
  }
}

@media (min-width: 980px) {
  .page-news .news-catalog {
    grid-template-columns: var(--news-index-w) minmax(0, 1fr) var(--news-side-w);
    gap: clamp(28px, 3.4vw, 52px);
    align-items: start;
  }

  .page-news .news-index {
    position: sticky;
    top: calc(var(--header-h) + 24px);
    border-left: 2px solid var(--rule-soft);
    padding-left: 14px;
  }

  .page-news .news-index__list {
    flex-direction: column;
    gap: 2px;
  }

  .page-news .news-index__link {
    display: block;
    padding: 5px 0;
    border-bottom: none;
    border-left: 2px solid transparent;
    margin-left: -16px;
    padding-left: 14px;
  }

  .page-news .news-index__link:hover,
  .page-news .news-index__link:focus-visible {
    border-left-color: var(--sun);
    border-bottom-color: transparent;
    background: linear-gradient(90deg, rgba(255, 231, 184, 0.72), rgba(255, 231, 184, 0));
  }

  .page-news .news-side {
    position: sticky;
    top: calc(var(--header-h) + 24px);
    padding-left: 18px;
    border-left: 1px dashed var(--news-line);
  }

  .page-news .news-feature {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: start;
  }

  .page-news .news-feature__body {
    margin-top: clamp(36px, 6vw, 88px);
    margin-left: clamp(-70px, -4vw, -32px);
    z-index: 1;
    border-radius: 20px;
    box-shadow: 0 24px 48px -32px rgba(20, 32, 58, 0.4);
  }

  .page-news .news-cadence__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 340px);
    align-items: start;
  }

  .page-news .news-cadence__art {
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }

  .page-news .entry__time {
    opacity: 0;
    transform: translateY(4px);
    transition: opacity 240ms var(--ease), transform 240ms var(--ease);
  }

  .page-news .entry:hover .entry__time,
  .page-news .entry:focus-within .entry__time {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (min-width: 1240px) {
  .page-news .news-timeline__item {
    grid-template-columns: 78px minmax(0, 1fr);
    gap: 12px;
    align-items: start;
  }

  .page-news .news-timeline__num {
    font-size: 15px;
    padding-top: 2px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .entry,
  .page-news .entry__time,
  .page-news .news-index__link,
  .page-news .news-tags__item,
  .page-news .topic__link {
    transition: none;
  }

  .page-news .entry__time {
    opacity: 1;
    transform: none;
  }
}