.page-news {
  --news-shift-a: 26px;
  --news-shift-b: 44px;
  --news-side: 292px;
  display: block;
  padding-bottom: 64px;
}

/* ============ 首屏 ============ */
.page-news .news-hero {
  position: relative;
  padding: 22px 0 48px;
  overflow: hidden;
}

.page-news .news-hero__grid {
  position: relative;
  display: grid;
  gap: 28px;
}

.page-news .news-hero__copy {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-news .news-hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 8.4vw, 62px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-news .news-hero__lead {
  margin: 0;
  max-width: 46ch;
  font-size: var(--fs-16);
  line-height: 1.78;
  color: var(--mist);
}

.page-news .news-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 4px;
}

.page-news .news-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 28px;
  margin-top: 6px;
  padding-top: 16px;
  border-top: var(--bw) solid var(--line);
}

.page-news .news-metrics__item {
  display: grid;
  gap: 2px;
}

.page-news .news-metrics__num {
  font-size: var(--fs-28);
  font-weight: 700;
  color: var(--cyan);
  line-height: 1;
}

.page-news .news-metrics__label {
  font-size: var(--fs-12);
  color: var(--mist);
  letter-spacing: 0.02em;
}

.page-news .news-hero__media {
  margin: 0;
  aspect-ratio: 14 / 9;
  overflow: hidden;
  border: var(--bw) solid var(--line);
  border-radius: var(--r);
  box-shadow: var(--shadow-slab);
  background: var(--pine);
}

.page-news .news-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.85) contrast(1.06);
}

@media (min-width: 760px) {
  .page-news .news-hero {
    padding: 34px 0 62px;
  }

  .page-news .news-hero::before {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    width: 58%;
    height: 78%;
    background: var(--grad-key);
    opacity: 0.14;
    clip-path: polygon(30% 0, 100% 0, 100% 100%, 0 100%);
    pointer-events: none;
  }

  .page-news .news-hero__grid {
    grid-template-columns: 7fr 5fr;
    align-items: end;
    gap: 42px;
  }
}

/* ============ 筛选 + 文章流 ============ */
.page-news .news-stream {
  padding: 6px 0 58px;
}

.page-news .news-stream__grid {
  display: grid;
  gap: 26px;
}

.page-news .news-stream__side {
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-news .news-stream__side-title {
  margin: 0 0 4px;
  font-family: var(--font-serif);
  font-size: var(--fs-20);
  font-weight: 400;
  line-height: 1.5;
  color: var(--white);
}

.page-news .news-stream .filter-bar {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
}

.page-news .news-stream .filter-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  width: 100%;
  padding: 10px 14px;
  border: var(--bw) solid var(--line);
  border-radius: var(--r);
  background: transparent;
  color: var(--mist);
  font-family: var(--font-body);
  font-size: var(--fs-14);
  text-align: left;
  cursor: pointer;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-news .news-stream .filter-btn .filter-count {
  font-family: var(--font-num);
  font-size: var(--fs-12);
  color: var(--cyan);
}

.page-news .news-stream .filter-btn:hover {
  color: var(--white);
  border-color: var(--cyan-edge);
}

.page-news .news-stream .filter-btn[aria-pressed="true"],
.page-news .news-stream .filter-btn.is-active {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink);
}

.page-news .news-stream .filter-btn[aria-pressed="true"] .filter-count,
.page-news .news-stream .filter-btn.is-active .filter-count {
  color: var(--ink);
}

.page-news .news-stream__hint {
  margin: 4px 0 0;
  font-size: var(--fs-12);
  line-height: 1.7;
  color: var(--mist);
}

.page-news .news-stream__jump {
  justify-self: start;
  font-size: var(--fs-12);
  font-family: var(--font-num);
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-edge);
  padding-bottom: 2px;
}

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

.page-news .news-card {
  position: relative;
  padding: 20px 22px 18px;
  border: var(--bw) solid var(--line);
  border-radius: var(--r);
  background: var(--pine);
}

.page-news .news-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  bottom: 18px;
  width: 3px;
  background: var(--cyan);
  opacity: 0;
  transition: opacity var(--dur) var(--ease);
}

.page-news .news-card:hover::before,
.page-news .news-card:focus-within::before {
  opacity: 1;
}

.page-news .news-card__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.page-news .news-card__round {
  font-size: var(--fs-12);
  color: var(--mist);
  letter-spacing: 0.04em;
}

.page-news .news-card__len {
  font-size: var(--fs-12);
  color: var(--mist);
  opacity: 0.55;
  transition: opacity var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-news .news-card:hover .news-card__len,
.page-news .news-card:focus-within .news-card__len {
  opacity: 1;
  color: var(--amber);
}

.page-news .news-card__title {
  margin: 0 0 10px;
  font-family: var(--font-serif);
  font-size: var(--fs-20);
  font-weight: 400;
  line-height: 1.5;
  color: var(--white);
}

.page-news .news-card__excerpt {
  margin: 0 0 14px;
  font-size: var(--fs-14);
  line-height: 1.78;
  color: var(--mist);
}

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

.page-news .news-card__link {
  display: inline-block;
  font-family: var(--font-num);
  font-size: var(--fs-12);
  color: var(--cyan);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid var(--cyan-edge);
  transition: color var(--dur) var(--ease);
}

.page-news .news-card__link:hover {
  color: var(--white);
}

@media (min-width: 780px) {
  .page-news .news-feed {
    gap: 22px;
  }

  .page-news .news-feed > .news-card:nth-child(odd) {
    width: calc(100% - var(--news-shift-a));
  }

  .page-news .news-feed > .news-card:nth-child(even) {
    width: calc(100% - var(--news-shift-b));
    margin-left: auto;
  }
}

@media (min-width: 960px) {
  .page-news .news-stream__grid {
    grid-template-columns: var(--news-side) minmax(0, 1fr);
    gap: 46px;
    align-items: start;
  }

  .page-news .news-stream__side {
    position: sticky;
    top: 96px;
  }
}

/* ============ 五个栏目 ============ */
.page-news .news-beats {
  padding: 46px 0 52px;
  border-top: var(--bw) solid var(--line);
}

.page-news .news-beats .section-head {
  margin-bottom: 26px;
}

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

.page-news .beat-card {
  display: grid;
  gap: 12px;
  align-content: start;
  padding: 20px;
  border: var(--bw) solid var(--line);
  border-radius: var(--r);
  background: var(--ink);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

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

.page-news .beat-card--wide {
  background: var(--pine);
}

.page-news .beat-card__head {
  display: flex;
  align-items: center;
  gap: 14px;
}

.page-news .beat-card__thumb {
  margin: 0;
  width: 76px;
  height: 76px;
  flex: 0 0 76px;
  overflow: hidden;
  border: var(--bw) solid var(--line);
  border-radius: var(--r);
}

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

.page-news .beat-card__no {
  display: block;
  font-size: var(--fs-12);
  color: var(--cyan);
  letter-spacing: 0.14em;
  margin-bottom: 4px;
}

.page-news .beat-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: var(--fs-20);
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-news .beat-card__desc {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.78;
  color: var(--mist);
}

.page-news .beat-card__cadence {
  margin: 0;
  font-family: var(--font-num);
  font-size: var(--fs-12);
  color: var(--amber);
  letter-spacing: 0.03em;
}

@media (min-width: 700px) {
  .page-news .beats-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .beat-card--wide {
    grid-column: 1 / -1;
  }
}

@media (min-width: 1060px) {
  .page-news .beats-grid {
    grid-template-columns: 1.28fr 1fr;
    gap: 20px;
  }
}

/* ============ 专题系列 ============ */
.page-news .news-topics {
  padding: 44px 0 50px;
  border-top: var(--bw) solid var(--line);
}

.page-news .news-topics__head {
  display: grid;
  gap: 22px;
  margin-bottom: 26px;
}

.page-news .news-topics__banner {
  margin: 0;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  border: var(--bw) solid var(--line);
  border-radius: var(--r);
  background: var(--pine);
}

.page-news .news-topics__banner img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.88;
}

.page-news .news-topics__intro {
  align-self: end;
}

.page-news .news-topics__intro .section-head__title {
  margin: 6px 0 10px;
}

.page-news .news-topics__intro .section-head__note {
  margin: 0;
}

.page-news .news-topics__rail {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(258px, 80%);
  gap: 16px;
  overflow-x: auto;
  padding-bottom: 12px;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.page-news .news-topics__rail:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 4px;
}

.page-news .topic-card {
  scroll-snap-align: start;
  display: grid;
  gap: 10px;
  align-content: start;
  padding: 20px;
  border: var(--bw) solid var(--line);
  border-radius: var(--r);
  background: var(--pine);
}

.page-news .topic-card--accent {
  background: linear-gradient(160deg, var(--pine) 0%, var(--ink) 88%);
  border-color: var(--cyan-edge);
}

.page-news .topic-card__tag {
  margin: 0;
  font-family: var(--font-num);
  font-size: var(--fs-12);
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-news .topic-card__title {
  margin: 0;
  font-family: var(--font-serif);
  font-size: var(--fs-20);
  font-weight: 400;
  line-height: 1.45;
  color: var(--white);
}

.page-news .topic-card__desc {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.78;
  color: var(--mist);
}

.page-news .topic-card__meta {
  margin: 4px 0 0;
  font-size: var(--fs-12);
  color: var(--gold);
  letter-spacing: 0.03em;
}

@media (min-width: 780px) {
  .page-news .news-topics__head {
    grid-template-columns: 5fr 7fr;
    gap: 34px;
    align-items: end;
  }

  .page-news .news-topics__rail {
    grid-auto-flow: row;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    grid-auto-columns: auto;
    overflow: visible;
    padding-bottom: 0;
  }
}

/* ============ 编辑视角 ============ */
.page-news .news-voice {
  padding: 50px 0;
  border-top: var(--bw) solid var(--line);
  background:
    radial-gradient(120% 90% at 12% 0%, rgba(47, 232, 198, 0.09) 0%, rgba(6, 18, 15, 0) 62%),
    var(--ink);
}

.page-news .news-voice__label {
  margin: 0 0 16px;
  font-family: var(--font-num);
  font-size: var(--fs-12);
  letter-spacing: 0.24em;
  color: var(--cyan);
}

.page-news .news-voice__quote {
  margin: 0 0 18px;
  font-family: var(--font-serif);
  font-size: clamp(22px, 5.2vw, 34px);
  line-height: 1.6;
  color: var(--white);
  text-indent: -0.4em;
}

.page-news .news-voice__quote::before {
  content: "「";
  color: var(--cyan);
}

.page-news .news-voice__quote::after {
  content: "」";
  color: var(--cyan);
}

.page-news .news-voice__from {
  margin: 0;
  padding-top: 14px;
  border-top: var(--bw) solid var(--line);
  font-size: var(--fs-12);
  color: var(--mist);
  letter-spacing: 0.03em;
}

/* ============ 收藏与合作 ============ */
.page-news .news-keep {
  padding: 50px 0 10px;
}

.page-news .news-keep__panel {
  position: relative;
  display: grid;
  gap: 26px;
  padding: 28px 22px;
  border: var(--bw) solid var(--cyan-edge);
  border-radius: var(--r);
  background: linear-gradient(135deg, var(--pine) 0%, var(--ink) 74%);
  overflow: hidden;
}

.page-news .news-keep__panel::after {
  content: "";
  position: absolute;
  right: -70px;
  bottom: -70px;
  width: 210px;
  height: 210px;
  background: var(--cyan);
  opacity: 0.07;
  transform: rotate(45deg);
  pointer-events: none;
}

.page-news .news-keep__copy {
  position: relative;
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-news .news-keep__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 5.6vw, 38px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-news .news-keep__text {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--mist);
}

.page-news .news-keep__steps {
  display: grid;
  gap: 10px;
  margin: 4px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .news-keep__steps li {
  display: flex;
  gap: 10px;
  align-items: baseline;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--mist);
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.page-news .news-keep__steps .num {
  flex: 0 0 auto;
  font-size: var(--fs-12);
  color: var(--cyan);
  letter-spacing: 0.1em;
}

.page-news .news-keep__side {
  position: relative;
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-news .news-keep__mark {
  justify-self: start;
}

.page-news .news-keep__side-note {
  margin: 0;
  font-size: var(--fs-12);
  line-height: 1.75;
  color: var(--mist);
}

@media (min-width: 900px) {
  .page-news .news-keep__panel {
    grid-template-columns: 7fr 5fr;
    gap: 44px;
    padding: 38px 34px;
  }

  .page-news .news-keep__side {
    border-left: var(--bw) solid var(--line);
    padding-left: 30px;
  }
}
<<<END>>>