.page-news {
  --news-radius: 4px;
  --news-gap: 20px;
  background:
    radial-gradient(90% 55% at 10% 0%, rgba(59, 42, 107, .38), transparent 62%),
    radial-gradient(70% 50% at 100% 18%, rgba(0, 229, 255, .08), transparent 60%),
    var(--navy);
}

/* ---------- 面包屑 ---------- */
.page-news .news-crumb {
  padding-block: 18px 0;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line-soft);
  background:
    linear-gradient(118deg, rgba(59, 42, 107, .58) 0%, rgba(59, 42, 107, 0) 54%),
    radial-gradient(130% 160% at 92% -30%, rgba(0, 229, 255, .18), transparent 58%);
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  right: -90px;
  bottom: -140px;
  width: 320px;
  height: 320px;
  border: 1px solid var(--line-cyan);
  border-radius: 50%;
  opacity: .55;
  pointer-events: none;
}

.page-news .news-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 28px;
  padding-block: 36px 40px;
}

.page-news .news-hero h1 {
  margin: 14px 0 0;
  font-size: clamp(1.9rem, 5.2vw, 3.1rem);
  line-height: 1.14;
  letter-spacing: -.01em;
  color: var(--ice);
  max-width: 18em;
}

.page-news .news-hero .lede {
  margin: 18px 0 0;
  max-width: 42ch;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-news .news-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  margin-top: 24px;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .04em;
  color: var(--mist);
}

.page-news .news-hero__meta span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.page-news .news-hero__meta span::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  flex: none;
}

.page-news .news-hero__visual {
  margin: 0;
  border: 1px solid var(--line-mid);
  border-radius: var(--news-radius);
  overflow: hidden;
  background: var(--ink);
}

.page-news .news-hero__visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

/* ---------- 主体双栏 ---------- */
.page-news .news-body {
  display: grid;
  gap: 32px;
  padding-block: 36px 68px;
}

.page-news .news-index {
  border: 1px solid var(--line-soft);
  border-radius: var(--news-radius);
  background: rgba(6, 20, 38, .76);
  padding: 18px;
}

.page-news .news-index__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .2em;
  color: var(--mist);
}

.page-news .news-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-news .news-index__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 10px;
  font-size: .9rem;
  color: var(--ice);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: background .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease);
}

.page-news .news-index__link:hover,
.page-news .news-index__link:focus-visible {
  background: var(--cyan-soft);
  border-left-color: var(--cyan);
}

.page-news .news-index__num {
  font-family: var(--font-mono);
  font-size: .7rem;
  color: var(--mist);
}

.page-news .news-index__clock {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px dashed var(--line-mid);
}

.page-news .news-index__clock p {
  margin: 0;
  font-size: .76rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-news .news-index__extra {
  margin-top: 16px;
}

.page-news .news-index__cta {
  display: block;
  padding: 10px 12px;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .04em;
  color: var(--cyan);
  text-decoration: none;
  border: 1px solid var(--line-cyan);
  border-radius: 2px;
  text-align: center;
  transition: background .2s var(--ease), color .2s var(--ease);
}

.page-news .news-index__cta:hover,
.page-news .news-index__cta:focus-visible {
  background: var(--cyan);
  color: var(--ink);
}

/* ---------- 章节骨架 ---------- */
.page-news .news-main {
  display: grid;
  gap: 44px;
  min-width: 0;
}

.page-news .news-section__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-soft);
  margin-bottom: 20px;
}

.page-news .news-section__num {
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .12em;
  color: var(--cyan);
}

.page-news .news-section__title {
  margin: 0;
  font-size: clamp(1.25rem, 2.6vw, 1.7rem);
  line-height: 1.3;
  color: var(--ice);
}

.page-news .news-section__note {
  margin: 0 0 0 auto;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .04em;
  color: var(--mist);
}

.page-news .news-section__lead {
  margin: 0 0 22px;
  font-size: .92rem;
  line-height: 1.8;
  color: var(--mist);
  max-width: 40em;
}

.page-news .news-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: .84rem;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .2s var(--ease);
}

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

/* ---------- 专题板 ---------- */
.page-news .topic-board {
  position: relative;
  overflow: hidden;
  border-radius: var(--news-radius);
  border: 1px solid rgba(232, 244, 255, .16);
  background: linear-gradient(155deg, var(--indigo) 0%, #221a41 72%);
  padding: 22px;
  color: var(--ice);
}

.page-news .topic-board::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(232, 244, 255, .07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(232, 244, 255, .07) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

.page-news .topic-board > * {
  position: relative;
}

.page-news .topic-board__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .18em;
  color: var(--cyan);
}

.page-news .topic-board h3 {
  margin: 10px 0 12px;
  font-size: clamp(1.2rem, 2.8vw, 1.55rem);
  line-height: 1.35;
  color: var(--ice);
}

.page-news .topic-board__intro {
  margin: 0;
  font-size: .92rem;
  line-height: 1.8;
  color: rgba(232, 244, 255, .84);
  max-width: 44em;
}

.page-news .topic-board__points {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-news .topic-board__points li {
  position: relative;
  padding-left: 18px;
  font-size: .88rem;
  line-height: 1.75;
  color: rgba(232, 244, 255, .86);
}

.page-news .topic-board__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 7px;
  height: 7px;
  background: var(--cyan);
  transform: rotate(45deg);
}

.page-news .topic-board__foot {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid rgba(232, 244, 255, .14);
}

/* ---------- 版本时间线 ---------- */
.page-news .release-list {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
  display: grid;
  gap: 26px;
}

.page-news .release-list::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 12px;
  bottom: 12px;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan), rgba(0, 229, 255, .08));
}

.page-news .release {
  position: relative;
  padding-left: 28px;
}

.page-news .release::before {
  content: "";
  position: absolute;
  left: 0;
  top: 5px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--navy);
  border: 1px solid var(--cyan);
  box-shadow: 0 0 0 3px rgba(0, 229, 255, .1);
}

.page-news .release__top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-news .release__ver {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--cyan);
}

.page-news .release__when {
  font-family: var(--font-mono);
  font-size: .72rem;
  color: var(--mist);
}

.page-news .release h3 {
  margin: 8px 0 6px;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--ice);
}

.page-news .release p {
  margin: 0;
  font-size: .89rem;
  line-height: 1.8;
  color: var(--mist);
  max-width: 44em;
}

/* ---------- 数据观察卡 ---------- */
.page-news .obs-list {
  display: grid;
  gap: 20px;
}

.page-news .obs-card {
  display: grid;
  border: 1px solid var(--line-soft);
  border-radius: var(--news-radius);
  overflow: hidden;
  background: rgba(6, 20, 38, .62);
  transition: border-color .25s var(--ease), transform .25s var(--ease);
}

.page-news .obs-card:hover,
.page-news .obs-card:focus-within {
  border-color: var(--line-cyan);
  transform: translateY(-2px);
}

.page-news .obs-card__media {
  margin: 0;
  background: var(--ink);
  overflow: hidden;
}

.page-news .obs-card__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 8 / 5;
  object-fit: cover;
}

.page-news .obs-card__body {
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
}

.page-news .obs-card__tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-news .obs-card__time {
  font-family: var(--font-mono);
  font-size: .7rem;
  color: var(--mist);
}

.page-news .obs-card h3 {
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.45;
  color: var(--ice);
}

.page-news .obs-card p {
  margin: 0;
  font-size: .89rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-news .obs-card__foot {
  margin-top: auto;
  padding-top: 8px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.page-news .obs-card__stat {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .04em;
  color: var(--mist);
  padding: 3px 8px;
  border: 1px solid var(--line-mid);
  border-radius: 2px;
}

/* ---------- 使用指南 ---------- */
.page-news .guide-grid {
  display: grid;
  gap: 14px;
}

.page-news .guide-card {
  padding: 18px;
  border-top: 2px solid var(--cyan);
  border-radius: 0 0 var(--news-radius) var(--news-radius);
  background: rgba(232, 244, 255, .045);
}

.page-news .guide-card__step {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .16em;
  color: var(--cyan);
}

.page-news .guide-card h3 {
  margin: 0 0 8px;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--ice);
}

.page-news .guide-card p {
  margin: 0;
  font-size: .86rem;
  line-height: 1.78;
  color: var(--mist);
}

/* ---------- 合作动态 ---------- */
.page-news .partner-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 4px;
}

.page-news .partner {
  padding: 16px 0 16px 18px;
  border-left: 2px solid var(--steel);
  transition: border-color .22s var(--ease), background .22s var(--ease);
}

.page-news .partner:hover,
.page-news .partner:focus-within {
  border-left-color: var(--cyan);
  background: rgba(0, 229, 255, .04);
}

.page-news .partner__meta {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .06em;
  color: var(--mist);
}

.page-news .partner h3 {
  margin: 0 0 6px;
  font-size: .98rem;
  line-height: 1.5;
  color: var(--ice);
}

.page-news .partner p {
  margin: 0 0 10px;
  font-size: .87rem;
  line-height: 1.78;
  color: var(--mist);
  max-width: 44em;
}

/* ---------- 订阅面板 ---------- */
.page-news .subscribe-panel {
  display: grid;
  border: 1px solid var(--line-mid);
  border-radius: var(--news-radius);
  overflow: hidden;
  background: linear-gradient(140deg, rgba(15, 107, 92, .6) 0%, rgba(11, 30, 58, .92) 58%, var(--ink) 100%);
}

.page-news .subscribe-panel__body {
  padding: 22px;
  min-width: 0;
}

.page-news .subscribe-panel__kicker {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .18em;
  color: var(--cyan);
}

.page-news .subscribe-panel h3 {
  margin: 0 0 12px;
  font-size: clamp(1.15rem, 2.6vw, 1.45rem);
  line-height: 1.4;
  color: var(--ice);
}

.page-news .subscribe-panel__text {
  margin: 0 0 16px;
  font-size: .9rem;
  line-height: 1.8;
  color: rgba(232, 244, 255, .84);
  max-width: 42em;
}

.page-news .subscribe-options {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-news .subscribe-options li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: .86rem;
  line-height: 1.7;
  color: rgba(232, 244, 255, .82);
}

.page-news .subscribe-options__dot {
  flex: none;
  width: 8px;
  height: 8px;
  margin-top: .55em;
  border-radius: 50%;
}

.page-news .subscribe-options__dot--cyan {
  background: var(--cyan);
}

.page-news .subscribe-options__dot--orange {
  background: var(--orange);
}

.page-news .subscribe-options__dot--teal {
  background: #3bd0b4;
}

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

.page-news .subscribe-panel__media {
  margin: 0;
  background: var(--ink);
  order: -1;
}

.page-news .subscribe-panel__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 7 / 5;
  object-fit: cover;
}

/* ---------- 中等屏 ---------- */
@media (min-width: 720px) {
  .page-news .obs-card {
    grid-template-columns: 240px minmax(0, 1fr);
  }

  .page-news .obs-card--reverse {
    grid-template-columns: minmax(0, 1fr) 240px;
  }

  .page-news .obs-card--reverse .obs-card__media {
    order: 2;
  }

  .page-news .obs-card__media {
    display: flex;
  }

  .page-news .obs-card__media img {
    width: 100%;
    height: 100%;
    aspect-ratio: auto;
    object-fit: cover;
  }

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

  .page-news .subscribe-panel {
    grid-template-columns: minmax(0, 1fr) 280px;
  }

  .page-news .subscribe-panel__media {
    order: 0;
  }

  .page-news .subscribe-panel__media img {
    height: 100%;
    aspect-ratio: auto;
    object-fit: cover;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-news .news-hero__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: center;
    gap: 48px;
    padding-block: 56px 60px;
  }

  .page-news .news-hero__visual img {
    aspect-ratio: 12 / 5;
  }

  .page-news .topic-board {
    padding: 30px;
  }

  .page-news .release {
    padding-left: 32px;
  }
}

@media (min-width: 1000px) {
  .page-news .news-body {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: 52px;
    align-items: start;
    padding-block: 52px 96px;
  }

  .page-news .news-index {
    position: sticky;
    top: 96px;
    padding: 20px;
  }

  .page-news .news-main {
    gap: 56px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .obs-card,
  .page-news .news-index__link,
  .page-news .partner,
  .page-news .news-more,
  .page-news .news-index__cta {
    transition: none;
  }

  .page-news .obs-card:hover,
  .page-news .obs-card:focus-within {
    transform: none;
  }
}
<<<END>>>