.page-news {
  --news-gap: clamp(64px, 8vw, 116px);
  --news-rail-line: rgba(46, 58, 107, 0.75);
  display: block;
}

.page-news .container {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

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

.page-news .breadcrumb {
  padding-top: clamp(20px, 3vw, 32px);
}

.page-news .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 13px;
  color: var(--slate-350);
}

.page-news .breadcrumb__list li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--line-600);
}

.page-news .breadcrumb__list a {
  color: var(--slate-350);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-news .breadcrumb__list a:hover,
.page-news .breadcrumb__list a:focus-visible {
  color: var(--cyan-400);
  border-bottom-color: var(--cyan-400);
}

/* ---------- 首屏 ---------- */

.page-news .news-lede {
  position: relative;
  padding: clamp(32px, 5vw, 64px) 0 clamp(40px, 6vw, 72px);
  overflow: hidden;
}

.page-news .news-lede::after {
  content: "";
  position: absolute;
  top: -30%;
  right: -10%;
  width: 46vw;
  max-width: 620px;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle at 40% 40%, rgba(108, 92, 231, 0.28), rgba(43, 232, 210, 0.1) 55%, transparent 72%);
  pointer-events: none;
}

.page-news .news-lede__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(28px, 4vw, 56px);
  grid-template-columns: 1fr;
}

.page-news .eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan-400);
}

.page-news .news-lede__title {
  margin: 0 0 20px;
  font-size: clamp(32px, 6vw, 64px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--slate-100);
}

.page-news .news-lede__text {
  margin: 0 0 18px;
  max-width: 42ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--slate-350);
}

.page-news .news-lede__more {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--slate-350);
}

.page-news a {
  color: var(--cyan-400);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 232, 210, 0.4);
  transition: border-color 180ms var(--ease), color 180ms var(--ease);
}

.page-news a:hover,
.page-news a:focus-visible {
  color: var(--slate-100);
  border-bottom-color: var(--cyan-400);
}

.page-news .news-lede__facts {
  display: grid;
  gap: 1px;
  margin: 0;
  background: var(--line-600);
  border: 1px solid var(--line-600);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-news .news-lede__fact {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 20px;
  background: var(--indigo-700);
}

.page-news .news-lede__fact dt {
  font-size: 13px;
  color: var(--slate-350);
}

.page-news .news-lede__fact dd {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
  color: var(--cyan-400);
  font-variant-numeric: tabular-nums;
}

/* ---------- 章节通用 ---------- */

.page-news .news-section {
  padding: var(--news-gap) 0 0;
}

.page-news .news-section--top3 {
  padding-top: clamp(48px, 6vw, 80px);
}

.page-news .news-section--sub {
  padding-bottom: clamp(64px, 8vw, 112px);
}

.page-news .news-head {
  display: grid;
  gap: 12px;
  margin-bottom: clamp(28px, 4vw, 48px);
  padding-bottom: 20px;
  border-bottom: 1px solid var(--news-rail-line);
}

.page-news .news-head__title {
  margin: 0;
  font-size: clamp(22px, 3.2vw, 34px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--slate-100);
}

.page-news .news-head__note {
  margin: 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--slate-350);
}

/* ---------- 本周三条 ---------- */

.page-news .top3 {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 20px;
  grid-template-columns: 1fr;
}

.page-news .top3__item {
  position: relative;
  padding: 24px 22px 26px;
  border: 1px solid var(--line-600);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(150deg, rgba(43, 232, 210, 0.07), transparent 42%),
    var(--indigo-700);
  transition: transform 220ms var(--ease), border-color 220ms var(--ease);
}

.page-news .top3__item:hover {
  transform: translateY(-2px);
  border-color: var(--cyan-400);
}

.page-news .top3__index {
  display: block;
  font-family: var(--font-mono);
  font-size: 30px;
  font-weight: 300;
  line-height: 1;
  color: rgba(43, 232, 210, 0.5);
  font-variant-numeric: tabular-nums;
}

.page-news .top3__tags {
  margin: 14px 0 10px;
}

.page-news .top3__title {
  margin: 0 0 10px;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--slate-100);
}

.page-news .top3__text {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--slate-350);
}

.page-news .top3__time {
  margin: 0;
  font-size: 12px;
  color: var(--cyan-400);
  font-variant-numeric: tabular-nums;
}

/* ---------- 标签 ---------- */

.page-news .tag {
  display: inline-block;
  padding: 4px 11px;
  border: 1px solid var(--line-600);
  border-radius: var(--radius-pill);
  font-size: 12px;
  line-height: 1.5;
  letter-spacing: 0.04em;
  color: var(--slate-350);
  background: rgba(7, 11, 34, 0.35);
}

.page-news .tag--data {
  border-color: rgba(43, 232, 210, 0.55);
  color: var(--cyan-400);
}

/* ---------- 动态列表 ---------- */

.page-news .news-board {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
  grid-template-columns: 1fr;
}

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

.page-news .news-rail__note {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--slate-350);
}

.page-news .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.page-news .filter-pill {
  appearance: none;
  padding: 8px 16px;
  border: 1px solid var(--line-600);
  border-radius: var(--radius-pill);
  background: var(--indigo-700);
  color: var(--slate-350);
  font-family: inherit;
  font-size: 13px;
  line-height: 1.5;
  cursor: pointer;
  transition: color 180ms var(--ease), border-color 180ms var(--ease), background-color 180ms var(--ease);
}

.page-news .filter-pill:hover {
  color: var(--slate-100);
  border-color: var(--cyan-400);
}

.page-news .filter-pill[aria-pressed="true"] {
  background: var(--cyan-400);
  border-color: var(--cyan-400);
  color: var(--ink-950);
  font-weight: 600;
}

.page-news .filter-pill:focus-visible {
  outline: 2px solid var(--cyan-400);
  outline-offset: 2px;
}

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

.page-news .entry {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 16px;
  padding: 26px 0;
  border-top: 1px solid var(--line-600);
  transition: border-color 200ms var(--ease);
}

.page-news .news-stream > .entry:first-child {
  border-top-color: transparent;
  padding-top: 0;
}

.page-news .entry:hover {
  border-top-color: var(--cyan-400);
}

.page-news .entry__index {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 500;
  line-height: 1.6;
  color: var(--cyan-400);
  font-variant-numeric: tabular-nums;
}

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

.page-news .entry__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 10px;
}

.page-news .entry__title {
  margin: 0 0 8px;
  font-size: 19px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--slate-100);
}

.page-news .entry__anchor {
  margin-left: 8px;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--line-600);
  border-bottom: none;
}

.page-news .entry__anchor:hover,
.page-news .entry__anchor:focus-visible {
  color: var(--cyan-400);
  border-bottom: none;
}

.page-news .entry__time {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.03em;
  color: var(--slate-350);
  font-variant-numeric: tabular-nums;
}

.page-news .entry__text {
  margin: 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--slate-350);
}

.page-news .entry__media {
  margin-top: 20px;
}

.page-news .media {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--indigo-700);
  border: 1px solid var(--line-600);
}

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

.page-news .media--wide img {
  aspect-ratio: 5 / 3;
}

.page-news .media--tall img {
  aspect-ratio: 4 / 5;
}

.page-news .media__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(233, 238, 250, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(233, 238, 250, 0.05) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
}

.page-news .media__caption {
  margin: 0;
  padding: 12px 16px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--slate-350);
  background: var(--indigo-700);
}

.page-news .news-band {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 18px;
  margin: 24px 0;
  padding: 16px 20px;
  border-left: 3px solid var(--orange-500);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  background: linear-gradient(90deg, rgba(255, 122, 46, 0.12), transparent 70%);
}

.page-news .news-band__label {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--slate-350);
}

.page-news .news-band__value {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 500;
  color: var(--slate-100);
  font-variant-numeric: tabular-nums;
}

.page-news .news-band__sep {
  width: 1px;
  height: 18px;
  background: var(--line-600);
}

.page-news .filter-empty {
  display: none;
  margin: 20px 0 0;
  padding: 18px 20px;
  border: 1px dashed var(--line-600);
  border-radius: var(--radius-md);
  font-size: 14px;
  line-height: 1.75;
  color: var(--slate-350);
}

.page-news .filter-empty[data-visible="true"] {
  display: block;
}

/* ---------- 版本记录 ---------- */

.page-news .version-wrap {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
  grid-template-columns: 1fr;
}

.page-news .version-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 1px solid var(--line-600);
}

.page-news .version {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  padding: 0 0 30px 24px;
}

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

.page-news .version::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 8px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--cyan-400);
}

.page-news .version__no {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 300;
  line-height: 1;
  color: var(--slate-100);
  font-variant-numeric: tabular-nums;
}

.page-news .version__title {
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--slate-100);
}

.page-news .version__points {
  margin: 0 0 12px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 6px;
}

.page-news .version__points li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--slate-350);
}

.page-news .version__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 6px;
  height: 1px;
  background: var(--cyan-400);
}

.page-news .version__time {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--slate-350);
  font-variant-numeric: tabular-nums;
}

/* ---------- 专题系列 ---------- */

.page-news .series-wrap {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
  grid-template-columns: 1fr;
}

.page-news .series-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-news .series {
  padding: 24px 0;
  border-top: 1px solid var(--line-600);
}

.page-news .series:first-child {
  border-top: none;
  padding-top: 0;
}

.page-news .series__phase {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--orange-500);
  font-variant-numeric: tabular-nums;
}

.page-news .series__title {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--slate-100);
}

.page-news .series__text {
  margin: 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--slate-350);
}

/* ---------- 订阅与回看 ---------- */

.page-news .sub-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: 1fr;
}

.page-news .sub-item {
  padding: 24px 22px;
  border: 1px solid var(--line-600);
  border-radius: var(--radius-lg);
  background: linear-gradient(200deg, rgba(43, 232, 210, 0.06), transparent 46%), var(--indigo-700);
  transition: transform 220ms var(--ease), border-color 220ms var(--ease);
}

.page-news .sub-item:hover {
  transform: translateY(-2px);
  border-color: var(--cyan-400);
}

.page-news .sub-item__no {
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--cyan-400);
  font-variant-numeric: tabular-nums;
}

.page-news .sub-item__title {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--slate-100);
}

.page-news .sub-item__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--slate-350);
}

.page-news .sub-foot {
  margin-top: clamp(28px, 4vw, 44px);
  padding: 24px 22px;
  border-radius: var(--radius-lg);
  background: var(--paper-50);
}

.page-news .sub-foot__text {
  margin: 0;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--indigo-850);
}

.page-news .sub-foot__text a {
  color: var(--indigo-850);
  border-bottom-color: var(--orange-500);
}

.page-news .sub-foot__text a:hover,
.page-news .sub-foot__text a:focus-visible {
  color: var(--orange-500);
  border-bottom-color: var(--orange-500);
}

/* ---------- 宽度断点 ---------- */

@media (min-width: 720px) {
  .page-news .top3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .top3__item:nth-child(2) {
    margin-top: 30px;
  }

  .page-news .top3__item:nth-child(3) {
    margin-top: 0;
  }

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

  .page-news .entry {
    grid-template-columns: 58px minmax(0, 1fr);
    gap: 22px;
  }

  .page-news .version {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 24px;
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-news .news-lede__grid {
    grid-template-columns: minmax(0, 8fr) minmax(0, 3fr);
    align-items: start;
  }

  .page-news .news-head {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    align-items: end;
    gap: 24px;
  }

  .page-news .news-head__note {
    text-align: right;
    justify-self: end;
  }

  .page-news .news-board {
    grid-template-columns: minmax(0, 3fr) minmax(0, 9fr);
    align-items: start;
  }

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

  .page-news .filter-bar {
    flex-direction: column;
    align-items: flex-start;
  }

  .page-news .filter-pill {
    width: 100%;
    text-align: left;
  }

  .page-news .top3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .top3__item:nth-child(2) {
    margin-top: 36px;
  }

  .page-news .top3__item:nth-child(3) {
    margin-top: 72px;
  }

  .page-news .version-wrap {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

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

  .page-news .series-wrap {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    align-items: start;
  }
}

@media (min-width: 1200px) {
  .page-news .entry {
    grid-template-columns: 68px minmax(0, 1fr);
  }

  .page-news .entry__title {
    font-size: 21px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .top3__item,
  .page-news .sub-item,
  .page-news .entry,
  .page-news a,
  .page-news .filter-pill {
    transition: none;
  }

  .page-news .top3__item:hover,
  .page-news .sub-item:hover {
    transform: none;
  }
}
<<<END>>>