.page-news {
  --news-rail: 300px;
  --news-cut: 18px;
  position: relative;
  isolation: isolate;
  padding-bottom: clamp(56px, 9vw, 110px);
  color: var(--paper);
  font-family: var(--sans);
  background:
    radial-gradient(760px 460px at 84% -6%, rgba(127, 233, 255, .12), transparent 62%),
    radial-gradient(620px 420px at 0% 34%, rgba(255, 199, 102, .07), transparent 68%),
    var(--ink-900);
  overflow-x: clip;
}

.page-news::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(to right, rgba(234, 242, 255, .03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(234, 242, 255, .03) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
}

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

.page-news .eyebrow {
  margin: 0;
}

/* 面包屑 */
.page-news .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-top: clamp(20px, 3vw, 34px);
  font-size: 14px;
  color: var(--muted);
}

.page-news .breadcrumb a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-news .breadcrumb a:hover {
  color: var(--cyan);
  border-bottom-color: rgba(127, 233, 255, .5);
}

.page-news .breadcrumb__sep {
  color: var(--ink-700);
}

/* 首屏 */
.page-news .news-intro {
  padding-top: clamp(28px, 5vw, 56px);
  padding-bottom: clamp(32px, 5vw, 64px);
}

.page-news .news-intro__grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
}

.page-news .news-intro__title {
  margin: 14px 0 0;
  font-size: clamp(32px, 7vw, 56px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -.02em;
  max-width: 20ch;
}

.page-news .news-intro__lead {
  margin: 20px 0 0;
  max-width: 60ch;
  font-size: 17px;
  line-height: 1.85;
  color: var(--soft);
}

.page-news .news-intro__panel {
  position: relative;
  padding: clamp(20px, 3vw, 28px);
  background: rgba(13, 23, 48, .66);
  backdrop-filter: blur(12px);
  clip-path: polygon(var(--news-cut) 0, 100% 0, 100% calc(100% - var(--news-cut)), calc(100% - var(--news-cut)) 100%, 0 100%, 0 var(--news-cut));
}

.page-news .news-intro__panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: var(--news-cut);
  right: 0;
  height: 1px;
  background: var(--edge);
}

.page-news .news-intro__panel-label {
  margin: 0;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--muted);
}

.page-news .news-intro__panel-value {
  margin: 8px 0 0;
  font-family: var(--mono);
  font-size: clamp(26px, 4vw, 34px);
  letter-spacing: .01em;
  color: var(--gold);
}

.page-news .news-intro__stats {
  list-style: none;
  margin: 22px 0 0;
  padding: 20px 0 0;
  border-top: 1px solid var(--hairline);
  display: grid;
  gap: 14px;
}

.page-news .news-intro__stats li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  font-size: 14px;
  color: var(--muted);
}

.page-news .news-intro__num {
  font-family: var(--mono);
  font-size: 20px;
  color: var(--cyan);
  min-width: 4.2em;
  letter-spacing: .04em;
}

/* 置顶版本笔记 */
.page-news .pinned {
  padding: clamp(34px, 5vw, 64px) 0 clamp(30px, 4vw, 52px);
  background: linear-gradient(180deg, rgba(13, 23, 48, .9), rgba(6, 11, 24, .35) 82%, transparent);
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}

.page-news .pinned__grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
}

.page-news .pinned__title {
  margin: 12px 0 0;
  font-size: clamp(24px, 4vw, 40px);
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: -.02em;
}

.page-news .pinned__lead {
  margin: 16px 0 0;
  max-width: 56ch;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--soft);
}

.page-news .pinned__list {
  list-style: none;
  margin: clamp(24px, 3vw, 34px) 0 0;
  padding: 0;
  display: grid;
  gap: clamp(18px, 2.4vw, 26px);
}

.page-news .pinned__list li {
  position: relative;
  padding-left: 46px;
}

.page-news .pinned__no {
  position: absolute;
  left: 0;
  top: 2px;
  font-family: var(--mono);
  font-size: 15px;
  letter-spacing: .04em;
  color: var(--cyan);
}

.page-news .pinned__list li::before {
  content: "";
  position: absolute;
  left: 26px;
  top: 5px;
  bottom: 5px;
  width: 1px;
  background: linear-gradient(180deg, rgba(127, 233, 255, .45), rgba(255, 199, 102, .18));
}

.page-news .pinned__list h3 {
  margin: 0;
  font-size: clamp(17px, 2.2vw, 20px);
  font-weight: 700;
  letter-spacing: -.01em;
}

.page-news .pinned__list p {
  margin: 8px 0 0;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--soft);
}

.page-news .pinned__list a,
.page-news .series__item a,
.page-news .archive__list a,
.page-news .notes__trail a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(127, 233, 255, .4);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-news .pinned__list a:hover,
.page-news .series__item a:hover,
.page-news .archive__list a:hover,
.page-news .notes__trail a:hover {
  color: var(--gold);
  border-bottom-color: rgba(255, 199, 102, .5);
}

/* 图片容器 */
.page-news .news-figure {
  margin: 0;
}

.page-news .media__frame {
  position: relative;
  overflow: hidden;
  background: var(--ink-800);
  clip-path: polygon(var(--news-cut) 0, 100% 0, 100% calc(100% - var(--news-cut)), calc(100% - var(--news-cut)) 100%, 0 100%, 0 var(--news-cut));
}

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

.page-news .media__caption {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--faint);
}

.page-news .pinned__media .media__frame {
  aspect-ratio: 1400 / 760;
}

/* 条目流 */
.page-news .notes {
  padding: clamp(40px, 6vw, 84px) 0 0;
}

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

.page-news .note-rail__title {
  margin: 10px 0 0;
  font-size: clamp(20px, 2.6vw, 24px);
  font-weight: 800;
  letter-spacing: -.01em;
  line-height: 1.35;
}

.page-news .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: clamp(16px, 2vw, 22px) 0 0;
}

.page-news .chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 13px;
  font-family: var(--sans);
  font-size: 13.5px;
  font-weight: 500;
  color: var(--soft);
  background: rgba(13, 23, 48, .6);
  border: 1px solid var(--ink-700);
  cursor: pointer;
  transition: color .2s var(--ease), border-color .2s var(--ease), background-color .2s var(--ease);
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
}

.page-news .chip:hover {
  color: var(--paper);
  border-color: rgba(127, 233, 255, .5);
}

.page-news .chip[aria-pressed="true"],
.page-news .chip.is-active {
  color: var(--ink-900);
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-news .chip__dot {
  width: 8px;
  height: 8px;
  border-radius: 1px;
}

.page-news .chip__dot--version { background: var(--cyan); }
.page-news .chip__dot--content { background: var(--gold); }
.page-news .chip__dot--feature { background: var(--green); }
.page-news .chip__dot--event { background: var(--pink); }

.page-news .chip__count {
  font-family: var(--mono);
  font-size: 12px;
  opacity: .75;
}

.page-news .note-rail__figure {
  margin: 24px 0 0;
}

.page-news .note-rail__figure .media__frame {
  aspect-ratio: 4 / 5;
}

.page-news .note-stream {
  position: relative;
  display: grid;
}

.page-news .note-stream::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, rgba(127, 233, 255, .38), rgba(255, 199, 102, .16) 46%, transparent 92%);
  transform: skewY(.35deg);
}

.page-news .note-item {
  position: relative;
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 12px;
  padding: clamp(20px, 2.6vw, 28px) 0;
}

.page-news .note-item[hidden] {
  display: none;
}

.page-news .note-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, rgba(127, 233, 255, .38), rgba(255, 199, 102, .16) 46%, transparent 92%);
  transform: skewY(-.35deg);
}

.page-news .note-item::after {
  content: "";
  position: absolute;
  left: 25px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, rgba(127, 233, 255, .18), rgba(127, 233, 255, .04));
}

.page-news .note-item__num {
  position: relative;
  padding-top: 3px;
  font-family: var(--mono);
  font-size: 15px;
  letter-spacing: .04em;
  color: var(--cyan);
}

.page-news .note-item__meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.page-news .note-item .tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: .02em;
  color: var(--soft);
  border: 1px solid var(--ink-700);
  clip-path: polygon(6px 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%, 0 6px);
}

.page-news .tag--cyan {
  color: var(--cyan);
  border-color: rgba(127, 233, 255, .4);
  background: rgba(127, 233, 255, .06);
}

.page-news .tag--gold {
  color: var(--gold);
  border-color: rgba(255, 199, 102, .4);
  background: rgba(255, 199, 102, .06);
}

.page-news .tag--green {
  color: var(--green);
  border-color: rgba(53, 198, 168, .4);
  background: rgba(53, 198, 168, .06);
}

.page-news .tag--pink {
  color: var(--pink);
  border-color: rgba(255, 107, 138, .4);
  background: rgba(255, 107, 138, .06);
}

.page-news .note-item__time {
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--muted);
}

.page-news .note-item__title {
  margin: 12px 0 0;
  font-size: clamp(17px, 2.1vw, 20px);
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: -.01em;
}

.page-news .note-item__sum {
  margin: 8px 0 0;
  max-width: 68ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--soft);
}

.page-news .note-more {
  margin-top: 12px;
}

.page-news .note-more > summary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 2px 0;
  list-style: none;
  cursor: pointer;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--cyan);
  border-bottom: 1px dashed rgba(127, 233, 255, .35);
}

.page-news .note-more > summary::-webkit-details-marker {
  display: none;
}

.page-news .note-more > summary::before {
  content: "＋";
  font-family: var(--mono);
  font-size: 13px;
}

.page-news .note-more[open] > summary {
  color: var(--green);
  border-bottom-color: rgba(53, 198, 168, .4);
}

.page-news .note-more[open] > summary::before {
  content: "－";
}

.page-news .note-more__body {
  margin-top: 10px;
  padding: 14px 16px;
  background: rgba(13, 23, 48, .52);
  border-left: 1px solid rgba(127, 233, 255, .35);
  font-size: 15px;
  line-height: 1.8;
  color: var(--soft);
}

.page-news .note-more__body p {
  margin: 0;
}

.page-news .note-more__body p + p {
  margin-top: 8px;
}

.page-news .notes__trail {
  margin: 24px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--hairline);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

/* 专题系列 */
.page-news .series {
  padding: clamp(44px, 6vw, 88px) 0 0;
}

.page-news .section-head h2,
.page-news .archive h2 {
  margin: 12px 0 0;
  font-size: clamp(24px, 3.6vw, 36px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -.02em;
}

.page-news .series__lead {
  margin: 14px 0 0;
  max-width: 56ch;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--soft);
}

.page-news .series__grid {
  margin-top: clamp(24px, 3.4vw, 40px);
  display: grid;
  gap: clamp(18px, 2.6vw, 28px);
}

.page-news .series__item {
  position: relative;
  padding: clamp(22px, 3vw, 32px);
  background: linear-gradient(160deg, rgba(13, 23, 48, .92), rgba(6, 11, 24, .6));
  clip-path: polygon(var(--news-cut) 0, 100% 0, 100% calc(100% - var(--news-cut)), calc(100% - var(--news-cut)) 100%, 0 100%, 0 var(--news-cut));
}

.page-news .series__item--main {
  background: linear-gradient(160deg, rgba(13, 23, 48, .96), rgba(127, 233, 255, .08));
}

.page-news .series__item h3 {
  margin: 14px 0 0;
  font-size: clamp(19px, 2.4vw, 24px);
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: -.01em;
}

.page-news .series__item p {
  margin: 12px 0 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--soft);
}

.page-news .series__points {
  list-style: none;
  margin: 18px 0 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--hairline);
  display: grid;
  gap: 10px;
}

.page-news .series__points li {
  position: relative;
  padding-left: 22px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--soft);
}

.page-news .series__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 12px;
  height: 1px;
  background: var(--edge);
}

.page-news .series__figure {
  margin-top: clamp(24px, 3vw, 40px);
}

.page-news .series__figure .media__frame {
  aspect-ratio: 1200 / 680;
}

/* 回看与跟进 */
.page-news .archive {
  padding: clamp(46px, 6vw, 90px) 0 0;
}

.page-news .archive__grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
}

.page-news .archive__list {
  list-style: none;
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-news .archive__list li {
  padding-left: 18px;
  border-left: 1px solid rgba(127, 233, 255, .28);
}

.page-news .archive__list strong {
  display: block;
  font-size: 15.5px;
  font-weight: 600;
}

.page-news .archive__list span {
  display: block;
  margin-top: 6px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-news .archive__figure .media__frame {
  aspect-ratio: 1400 / 500;
}

/* 断点 */
@media (min-width: 900px) {
  .page-news .news-intro__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: end;
    gap: clamp(32px, 5vw, 72px);
  }

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

  .page-news .archive__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    align-items: start;
  }
}

@media (min-width: 980px) {
  .page-news .pinned__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .page-news .note-layout {
    grid-template-columns: var(--news-rail) minmax(0, 1fr);
    align-items: start;
    gap: clamp(32px, 4vw, 64px);
  }

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

@media (max-width: 1023px) {
  .page-news {
    --news-rail: 100%;
  }

  .page-news .note-rail__figure .media__frame {
    aspect-ratio: 16 / 9;
  }
}

@media (max-width: 560px) {
  .page-news .note-item {
    grid-template-columns: 40px minmax(0, 1fr);
    gap: 10px;
  }

  .page-news .note-item::after {
    left: 19px;
  }

  .page-news .note-item__num {
    font-size: 14px;
  }

  .page-news .news-intro__num {
    min-width: 3.4em;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news *,
  .page-news *::before,
  .page-news *::after {
    transition-duration: .001ms !important;
    animation-duration: .001ms !important;
  }
}
<<<END>>>