.page-news {
  --news-dot: 11px;
  --news-indent: 28px;
}

.page-news h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 7vw, 54px);
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--paper);
  margin: 14px 0 16px;
  max-width: 22ch;
}

.page-news h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 4vw, 36px);
  line-height: 1.16;
  letter-spacing: -0.005em;
  color: var(--paper);
  margin: 8px 0 12px;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  padding: 26px 0 12px;
}

.page-news .news-hero__grid {
  display: grid;
  gap: 26px;
  align-items: center;
  margin-top: 20px;
}

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

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

/* ---------- 动态流 ---------- */
.page-news .news-feed {
  padding: 34px 0 46px;
}

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

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

.page-news .feed-filter {
  margin: 24px 0 26px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news .feed {
  list-style: none;
  margin: 0;
  padding: 0 0 0 var(--news-indent);
  position: relative;
}

.page-news .feed::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 14px;
  bottom: 14px;
  width: 1px;
  background: linear-gradient(
    180deg,
    rgba(39, 230, 255, 0.5),
    rgba(29, 58, 87, 0.25) 42%,
    rgba(88, 230, 176, 0.45)
  );
}

.page-news .feed-item {
  position: relative;
  margin-bottom: 14px;
}

.page-news .feed-item::before {
  content: "";
  position: absolute;
  left: calc(-1 * var(--news-indent));
  top: 22px;
  width: var(--news-dot);
  height: var(--news-dot);
  border-radius: 50%;
  background: var(--stone);
  box-shadow: 0 0 0 3px var(--ink);
  z-index: 1;
}

.page-news .feed-item[data-status="version"]::before {
  background: var(--cyan);
}

.page-news .feed-item[data-status="compat"]::before {
  background: var(--amber);
}

.page-news .feed-item[data-status="feedback"]::before {
  background: var(--mint);
}

.page-news .feed-item[data-status="notice"]::before {
  background: var(--clay);
}

.page-news .feed-item summary {
  position: relative;
  display: grid;
  gap: 10px;
  padding: 16px 44px 16px 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  cursor: pointer;
  list-style: none;
  -webkit-tap-highlight-color: transparent;
  transition: background var(--ease), border-color var(--ease);
}

.page-news .feed-item summary::-webkit-details-marker {
  display: none;
}

.page-news .feed-item summary::marker {
  content: "";
}

.page-news .feed-item summary::after {
  content: "+";
  position: absolute;
  top: 15px;
  right: 17px;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--cyan);
  transition: color var(--ease);
}

.page-news .feed-item details[open] > summary::after {
  content: "−";
  color: var(--mint);
}

.page-news .feed-item summary:hover {
  background: var(--panel-2);
  border-color: rgba(39, 230, 255, 0.42);
}

.page-news .feed-item summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-news .feed-item details[open] > summary {
  background: var(--panel-2);
  border-color: rgba(39, 230, 255, 0.4);
}

.page-news .feed-item__when {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
}

.page-news .feed-item__rel {
  color: var(--paper);
  font-weight: 700;
}

.page-news .feed-item__ver {
  color: var(--stone);
}

.page-news .feed-item__main {
  display: block;
  min-width: 0;
}

.page-news .feed-item__kicker {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.page-news .feed-item__type {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--stone);
  border: 1px solid var(--line);
  padding: 2px 7px;
}

.page-news .feed-item__title {
  display: block;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.36;
  color: var(--paper);
}

.page-news .feed-item__teaser {
  display: block;
  margin-top: 7px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--stone);
}

.page-news .feed-item__detail {
  padding: 2px 18px 18px;
  background: var(--panel-2);
  border: 1px solid rgba(39, 230, 255, 0.4);
  border-top: 0;
  color: var(--stone);
  font-size: 15px;
  line-height: 1.8;
}

.page-news .feed-item__detail p {
  margin: 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

/* ---------- 版本演进 ---------- */
.page-news .news-release {
  padding: 52px 0 44px;
  border-top: 1px solid var(--line);
}

.page-news .news-release__grid {
  display: grid;
  gap: 26px;
  margin-top: 22px;
  align-items: center;
}

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

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

.page-news .release-stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.page-news .release-stat {
  padding: 14px 16px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 2px solid var(--cyan);
}

.page-news .release-stat__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--paper);
}

.page-news .release-stat__label {
  display: block;
  margin-top: 4px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--stone);
}

.page-news .news-release__note {
  margin: 16px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--moss);
  font-size: 14px;
  line-height: 1.75;
  color: var(--stone);
}

/* ---------- 同步节奏 ---------- */
.page-news .news-sync {
  padding: 46px 0 52px;
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(14, 34, 56, 0.7), rgba(7, 20, 38, 0) 78%);
}

.page-news .news-sync__grid {
  display: grid;
  gap: 26px;
  align-items: center;
}

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

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

.page-news .news-sync__copy p {
  font-size: 16px;
  line-height: 1.78;
  color: var(--stone);
  margin: 0 0 14px;
}

.page-news .sync-states {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-news .sync-states li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--stone);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.page-news .sync-states li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-news .news-sync__hint {
  margin-top: 18px;
  font-size: 14px;
  color: var(--moss);
}

/* ---------- 下一步 ---------- */
.page-news .news-next {
  padding: 48px 0 64px;
  border-top: 1px solid var(--line);
}

.page-news .news-next__grid {
  display: grid;
  gap: 12px;
  margin-top: 22px;
}

.page-news .news-next__card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 20px 22px;
  background: var(--panel);
  border: 1px solid var(--line);
  text-decoration: none;
  transition: transform var(--ease), border-color var(--ease), background var(--ease);
}

.page-news .news-next__card:hover {
  background: var(--panel-2);
  border-color: rgba(39, 230, 255, 0.55);
  transform: translateY(-2px);
}

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

.page-news .news-next__kicker {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-news .news-next__title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--paper);
}

.page-news .news-next__text {
  font-size: 14px;
  line-height: 1.72;
  color: var(--stone);
}

.page-news .news-next__go {
  margin-top: auto;
  padding-top: 10px;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--mint);
}

/* ---------- 自适应 ---------- */
@media (min-width: 720px) {
  .page-news .news-next__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

  .page-news .release-stat__num {
    font-size: 30px;
  }
}

@media (min-width: 860px) {
  .page-news .news-hero {
    padding: 34px 0 16px;
  }

  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 44px;
  }

  .page-news .news-release__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 40px;
  }

  .page-news .news-sync__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 46px;
  }
}

@media (min-width: 780px) {
  .page-news .feed-item summary {
    grid-template-columns: 108px minmax(0, 1fr);
    column-gap: 18px;
    align-items: start;
    padding: 18px 46px 18px 20px;
  }

  .page-news .feed-item__when {
    flex-direction: column;
    gap: 3px;
    padding-top: 3px;
  }

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

  .page-news .feed-item summary::after {
    top: 17px;
  }
}

@media (min-width: 1080px) {
  .page-news .news-next__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .feed-item summary,
  .page-news .news-next__card {
    transition: none;
  }

  .page-news .news-next__card:hover {
    transform: none;
  }
}
<<<END>>>