.page-news {
  --news-line: rgba(42, 70, 100, 0.65);
  --news-line-soft: rgba(168, 183, 198, 0.16);
  --news-axis-w: 230px;
  background: var(--bg);
  color: var(--fg);
}

.page-news .breadcrumbs {
  padding-top: clamp(1rem, 3vw, 1.6rem);
}

/* ---------- 首屏 ---------- */

.page-news .news-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(1.6rem, 5vw, 3.2rem) clamp(2.2rem, 6vw, 4rem);
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  inset: 0 -12% 0 auto;
  width: 64%;
  background:
    linear-gradient(118deg, rgba(7, 17, 31, 0) 38%, rgba(62, 242, 224, 0.10) 58%, rgba(255, 138, 76, 0.14) 100%);
  clip-path: polygon(30% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
  z-index: 0;
}

.page-news .news-hero__inner {
  position: relative;
  z-index: 1;
}

.page-news .news-hero__title {
  margin: 0.5rem 0 0;
  font-size: clamp(2.6rem, 8vw, 5.2rem);
  font-weight: 900;
  line-height: 1.02;
  letter-spacing: -0.03em;
}

.page-news .news-hero__lede {
  max-width: 54ch;
  margin: 1.1rem 0 0;
  font-size: clamp(1rem, 1.4vw, 1.12rem);
  line-height: 1.8;
  color: var(--fg-muted);
}

.page-news .news-hero__meta {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.9rem;
  margin: 1.7rem 0 0;
  padding: 1rem 0 0;
  border-top: 1px solid var(--news-line-soft);
  font-size: 0.84rem;
  color: var(--fg-muted);
}

.page-news .news-hero__num {
  font-family: var(--font-mono);
  font-size: 0.86rem;
  letter-spacing: 0.02em;
  color: var(--cyan);
  margin-right: 0.4rem;
}

/* ---------- 头条专题 ---------- */

.page-news .news-feature {
  display: grid;
  gap: clamp(1.2rem, 3vw, 2.6rem);
  padding-block: clamp(1.6rem, 4vw, 2.6rem) clamp(2.2rem, 5vw, 3.6rem);
  border-top: 1px solid var(--news-line);
  scroll-margin-top: 6rem;
}

.page-news .news-feature__media {
  margin: 0;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--slate);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 34px), 0 100%);
}

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

.page-news .news-feature__tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.8rem;
}

.page-news .news-feature__phase {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--orange);
}

.page-news .news-feature__title {
  margin: 0.85rem 0 0;
  font-size: clamp(1.45rem, 3vw, 2.15rem);
  font-weight: 800;
  line-height: 1.32;
  letter-spacing: -0.015em;
}

.page-news .news-feature__text {
  margin: 0.8rem 0 1.5rem;
  font-size: 0.96rem;
  line-height: 1.85;
  color: var(--fg-muted);
}

/* ---------- 主体：分类轴 + 文章流 ---------- */

.page-news .news-body {
  display: grid;
  gap: clamp(1.6rem, 4vw, 2.4rem);
  padding-bottom: clamp(3rem, 7vw, 5.5rem);
}

.page-news .news-axis__title {
  margin: 0 0 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-news .news-axis__list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0;
  padding: 0;
}

.page-news .news-axis__link {
  display: inline-flex;
  align-items: baseline;
  gap: 0.4rem;
  padding: 0.32rem 0.7rem;
  font-size: 0.86rem;
  color: var(--fg-muted);
  text-decoration: none;
  border: 1px solid var(--news-line);
  border-radius: 999px;
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}

.page-news .news-axis__num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--cyan);
}

.page-news .news-axis__link:hover,
.page-news .news-axis__link:focus-visible {
  color: var(--cyan);
  border-color: rgba(62, 242, 224, 0.55);
  outline: none;
}

.page-news .news-axis__note {
  margin: 1.1rem 0 0;
  padding-left: 0.75rem;
  border-left: 2px solid var(--orange);
  font-size: 0.8rem;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 文章分组 ---------- */

.page-news .news-group {
  margin-bottom: clamp(2.2rem, 5vw, 3.4rem);
}

.page-news .news-group:last-child {
  margin-bottom: 0;
}

.page-news .news-group__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 0.65rem;
  border-bottom: 1px solid var(--news-line);
}

.page-news .news-group__title {
  margin: 0;
  font-size: clamp(1.2rem, 2.2vw, 1.55rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  scroll-margin-top: 6rem;
}

.page-news .news-group__hint {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--mist);
  white-space: nowrap;
}

.page-news .news-item {
  display: grid;
  gap: 0.6rem;
  padding-block: 1.35rem;
  border-bottom: 1px solid var(--news-line-soft);
}

.page-news .news-item:last-child {
  border-bottom: 0;
  padding-bottom: 0.4rem;
}

.page-news .news-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-news .news-item h3 {
  margin: 0;
  font-size: clamp(1rem, 1.6vw, 1.12rem);
  font-weight: 700;
  line-height: 1.5;
}

.page-news .news-item p {
  max-width: 62ch;
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--fg-muted);
}

.page-news .news-item__media {
  margin: 0.4rem 0 0;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--slate);
}

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

/* ---------- 内容协作 ---------- */

.page-news .news-collab {
  color: var(--umber);
  padding-block: clamp(2.4rem, 6vw, 4.2rem);
}

.page-news .news-collab__inner {
  display: grid;
  gap: 1.8rem;
}

.page-news .news-collab .eyebrow {
  color: rgba(26, 21, 18, 0.72);
  margin-bottom: 0.6rem;
}

.page-news .news-collab__title {
  margin: 0 0 0.9rem;
  font-size: clamp(1.4rem, 3vw, 2.1rem);
  font-weight: 900;
  line-height: 1.3;
  letter-spacing: -0.015em;
}

.page-news .news-collab__copy p {
  max-width: 64ch;
  margin: 0 0 0.85rem;
  font-size: 0.96rem;
  line-height: 1.85;
}

.page-news .news-collab__note {
  font-size: 0.88rem;
  color: rgba(26, 21, 18, 0.78);
}

.page-news .news-collab__note a {
  color: var(--umber);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(26, 21, 18, 0.45);
}

.page-news .news-collab__note a:hover,
.page-news .news-collab__note a:focus-visible {
  text-decoration-color: var(--umber);
}

.page-news .news-collab__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  align-content: start;
}

.page-news .news-collab .btn--ghost {
  color: var(--umber);
  border-color: rgba(26, 21, 18, 0.4);
}

.page-news .news-collab .btn--ghost:hover,
.page-news .news-collab .btn--ghost:focus-visible {
  color: var(--umber);
  border-color: var(--umber);
  background: rgba(26, 21, 18, 0.06);
}

/* ---------- 断点 ---------- */

@media (min-width: 760px) {
  .page-news .news-item--media {
    grid-template-columns: minmax(0, 1fr) 208px;
    align-items: start;
    column-gap: 1.6rem;
  }

  .page-news .news-item--media .news-item__meta,
  .page-news .news-item--media h3,
  .page-news .news-item--media p {
    grid-column: 1;
  }

  .page-news .news-item--media .news-item__media {
    grid-column: 2;
    grid-row: 1 / -1;
    margin-top: 0.2rem;
  }
}

@media (min-width: 900px) {
  .page-news .news-feature {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: center;
  }

  .page-news .news-body {
    grid-template-columns: var(--news-axis-w) minmax(0, 1fr);
    align-items: start;
    column-gap: clamp(2rem, 4vw, 3.6rem);
  }

  .page-news .news-axis {
    position: sticky;
    top: 5.5rem;
  }

  .page-news .news-axis__list {
    display: block;
  }

  .page-news .news-axis__item + .news-axis__item {
    border-top: 1px solid var(--news-line-soft);
  }

  .page-news .news-axis__link {
    display: flex;
    width: 100%;
    padding: 0.62rem 0;
    font-size: 0.94rem;
    border: 0;
    border-radius: 0;
  }

  .page-news .news-collab__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 300px);
    align-items: end;
    gap: 2.6rem;
  }

  .page-news .news-collab__actions {
    justify-content: flex-end;
  }
}

@media (max-width: 459px) {
  .page-news .news-feature__media {
    clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), 0 100%);
  }

  .page-news .news-hero__meta {
    gap: 0.4rem 1.2rem;
    font-size: 0.78rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-axis__link,
  .page-news .news-collab .btn--ghost {
    transition: none;
  }
}
<<<END>>>