.page-news {
  --news-gutter: clamp(16px, 4vw, 48px);
  --news-ink: #12161C;
  --news-card: #EDE8DE;
  --news-card-line: rgba(18, 22, 28, .14);
}

.page-news *,
.page-news *::before,
.page-news *::after {
  box-sizing: border-box;
}

.page-news ::selection {
  background: var(--cyan);
  color: var(--charcoal);
}

.page-news .container {
  width: 100%;
  max-width: 1240px;
  margin-inline: auto;
  padding-inline: var(--news-gutter);
}

.page-news h1,
.page-news h2,
.page-news h3,
.page-news p,
.page-news dl,
.page-news dd,
.page-news ol,
.page-news ul,
.page-news figure {
  margin: 0;
}

.page-news h1 {
  max-width: 15ch;
  font-size: clamp(38px, 6.2vw, 76px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--heading);
  text-wrap: balance;
}

.page-news h2 {
  max-width: 22ch;
  font-size: clamp(26px, 3.6vw, 38px);
  font-weight: 850;
  line-height: 1.22;
  letter-spacing: -0.02em;
  color: var(--heading);
  text-wrap: balance;
}

.page-news h3 {
  color: var(--heading);
}

.page-news .chapter-mark {
  margin-bottom: 18px;
}

.page-news .breadcrumb {
  margin-bottom: clamp(28px, 5vw, 64px);
}

/* 首屏 */
.page-news .news-hero {
  position: relative;
  overflow: hidden;
  padding-top: clamp(28px, 4vw, 44px);
  padding-bottom: clamp(48px, 7vw, 88px);
  background:
    repeating-linear-gradient(90deg, var(--line-soft) 0 1px, transparent 1px 96px),
    linear-gradient(180deg, var(--bg) 0%, var(--bg) 72%, var(--bg-alt) 100%);
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  right: -8%;
  bottom: -22%;
  width: min(52vw, 620px);
  aspect-ratio: 1;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, rgba(30, 107, 255, .12), transparent 62%);
  pointer-events: none;
}

.page-news .news-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(32px, 5vw, 56px);
}

.page-news .news-hero__copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 22px;
}

.page-news .news-lede {
  max-width: 58ch;
  font-size: clamp(16px, 1.5vw, 18px);
  line-height: 1.8;
  color: var(--text-soft);
}

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

.page-news .news-actions .btn {
  min-width: 144px;
}

/* 概况数字 */
.page-news .news-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.page-news .news-stats__item {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: 4px 8px;
  min-height: 108px;
  padding: 18px 16px;
  background: var(--surface);
}

.page-news .news-stats__label {
  grid-column: 1 / -1;
  align-self: start;
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--text-soft);
}

.page-news .news-stats__num {
  font-size: clamp(30px, 3.8vw, 42px);
  font-weight: 700;
  line-height: 1;
  color: var(--blue);
}

.page-news .news-stats__unit {
  padding-bottom: 4px;
  font-size: 13px;
  color: var(--text-soft);
}

/* 栏目索引 */
.page-news .news-channels__lede {
  max-width: 62ch;
  margin-top: 16px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-news .news-channel-grid {
  display: grid;
  gap: 20px;
  margin-top: clamp(28px, 4vw, 44px);
}

.page-news .news-channel {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 210px;
  padding: 34px 22px 22px;
  border: 1px solid var(--news-card-line);
  background: var(--news-card);
  color: var(--news-ink);
  text-decoration: none;
  transition: transform .22s var(--ease), box-shadow .22s var(--ease), border-color .22s var(--ease);
}

.page-news .news-channel::before {
  content: "";
  position: absolute;
  top: -13px;
  left: 22px;
  width: 58px;
  height: 13px;
  background: var(--blue);
}

.page-news .news-channel:hover,
.page-news .news-channel:focus-visible {
  transform: translateY(-4px);
  border-color: var(--blue);
  box-shadow: 0 14px 34px rgba(14, 17, 22, .12);
  outline: none;
}

.page-news .news-channel__tab {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--blue);
}

.page-news .news-channel__count {
  position: absolute;
  top: 14px;
  right: 16px;
  padding: 3px 8px;
  border: 1px solid rgba(18, 22, 28, .24);
  font-size: 12px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--news-ink);
}

.page-news .news-channel__title {
  font-size: 21px;
  font-weight: 850;
  line-height: 1.3;
  color: var(--news-ink);
}

.page-news .news-channel__desc {
  font-size: 15px;
  line-height: 1.7;
  color: rgba(18, 22, 28, .7);
}

.page-news .news-channel__arrow {
  margin-top: auto;
  font-family: var(--mono);
  font-size: 18px;
  color: var(--blue);
}

/* 置顶条目 */
.page-news .news-pinned-section {
  padding-top: clamp(32px, 5vw, 64px);
}

.page-news .news-pinned {
  position: relative;
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  padding: clamp(22px, 3.4vw, 40px);
  border: 1px solid var(--line);
  background: var(--surface);
  overflow: hidden;
}

.page-news .news-pinned::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 46%;
  height: 6px;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
  clip-path: polygon(0 0, 100% 0, 94% 100%, 0 100%);
}

.page-news .news-pinned__body {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 18px;
}

.page-news .news-pinned__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
  font-size: 13px;
  color: var(--text-soft);
}

.page-news .news-pinned h2 {
  max-width: 20ch;
}

.page-news .news-pinned__body > p {
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-news .news-pinned__more {
  width: 100%;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-news .news-pinned__more summary {
  padding: 14px 0;
  font-size: 15px;
  font-weight: 700;
  color: var(--accent-text);
  cursor: pointer;
  list-style: none;
}

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

.page-news .news-pinned__more summary::before {
  content: "+";
  display: inline-block;
  width: 22px;
  font-family: var(--mono);
  color: var(--cyan);
}

.page-news .news-pinned__more[open] summary::before {
  content: "−";
}

.page-news .news-pinned__list {
  display: grid;
  gap: 12px;
  padding: 4px 0 18px 22px;
  border-left: 2px solid var(--cyan);
}

.page-news .news-pinned__list li {
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-soft);
}

.page-news .news-pinned__list strong {
  color: var(--heading);
}

.page-news .news-pinned__cta {
  margin-top: 2px;
}

.page-news .news-pinned__figure {
  align-self: start;
}

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

/* 案例合集 */
.page-news .news-cases__lede {
  max-width: 64ch;
  margin-top: 16px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-news .news-cases__banner {
  margin: clamp(26px, 4vw, 40px) 0 clamp(22px, 3vw, 30px);
}

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

.page-news .news-timeline {
  list-style: none;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-news .news-timeline__item {
  position: relative;
  display: grid;
  gap: 10px;
  padding: 22px 10px 22px 16px;
  border-bottom: 1px solid var(--line);
  transition: transform .2s var(--ease), background-color .2s var(--ease);
}

.page-news .news-timeline__item::before {
  content: "";
  position: absolute;
  top: 20px;
  bottom: 20px;
  left: 0;
  width: 3px;
  background: var(--cyan);
  opacity: 0;
  transition: opacity .2s var(--ease);
}

.page-news .news-timeline__item:hover,
.page-news .news-timeline__item:focus-within {
  transform: translateX(4px);
  background: var(--line-soft);
}

.page-news .news-timeline__item:hover::before,
.page-news .news-timeline__item:focus-within::before {
  opacity: 1;
}

.page-news .news-timeline__stamp {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  font-size: 12px;
  letter-spacing: .02em;
  color: var(--text-soft);
}

.page-news .news-timeline__stamp .u-mono {
  color: var(--accent-text);
  white-space: nowrap;
}

.page-news .news-timeline__body {
  display: grid;
  gap: 7px;
}

.page-news .news-timeline__title {
  font-size: 18px;
  font-weight: 800;
  line-height: 1.45;
}

.page-news .news-timeline__body p {
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-soft);
}

.page-news .news-timeline__meta {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .03em;
  color: var(--text-soft);
}

/* 版本公告 */
.page-news .news-versions__lede {
  max-width: 62ch;
  margin-top: 16px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-news .news-versions__grid {
  display: grid;
  gap: 28px;
  margin-top: clamp(26px, 4vw, 40px);
}

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

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

.page-news .version-log__item {
  display: grid;
  grid-template-columns: minmax(64px, auto) 1fr;
  gap: 8px 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.page-news .version-log__no {
  font-size: 15px;
  font-weight: 700;
  color: var(--orange);
}

.page-news .version-log__main {
  display: grid;
  gap: 5px;
}

.page-news .version-log__title {
  font-size: 16px;
  font-weight: 800;
  line-height: 1.5;
}

.page-news .version-log__main p {
  max-width: 58ch;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-soft);
}

.page-news .version-log__batch {
  grid-column: 2;
  font-size: 11px;
  line-height: 1.6;
  letter-spacing: .02em;
  color: var(--text-soft);
}

.page-news .news-versions__cta {
  margin-top: clamp(24px, 3vw, 34px);
}

/* 内容合作 */
.page-news .news-collab {
  padding-bottom: clamp(56px, 8vw, 104px);
}

.page-news .news-collab__inner {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
  padding: clamp(24px, 4vw, 48px);
  border: 1px solid var(--line);
  background: linear-gradient(135deg, var(--bg-alt), var(--surface));
}

.page-news .news-collab__text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
}

.page-news .news-collab__text p {
  max-width: 60ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-news .news-collab__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 4px;
}

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

/* 图片容器许可 */
.page-news .figure-frame {
  max-width: 100%;
}

.page-news .figure-frame__media {
  overflow: hidden;
  background: var(--bg-alt);
}

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

/* 中等屏幕 */
@media (min-width: 720px) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(280px, .85fr);
    align-items: end;
  }

  .page-news .news-channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }

  .page-news .news-timeline__item {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: 26px;
    padding: 24px 16px 24px 20px;
  }

  .page-news .news-timeline__stamp {
    align-content: start;
  }

  .page-news .version-log__item {
    grid-template-columns: minmax(72px, auto) minmax(0, 1fr) minmax(120px, auto);
    gap: 20px;
    align-items: start;
  }

  .page-news .version-log__batch {
    grid-column: 3;
    text-align: right;
  }
}

/* 桌面 */
@media (min-width: 1024px) {
  .page-news .news-pinned {
    grid-template-columns: minmax(0, 1.35fr) minmax(280px, .75fr);
    align-items: start;
  }

  .page-news .news-cases__banner .figure-frame__media {
    max-height: 360px;
  }

  .page-news .news-versions__grid {
    grid-template-columns: minmax(260px, .68fr) minmax(0, 1.32fr);
    align-items: start;
  }

  .page-news .news-versions__figure {
    position: sticky;
    top: 104px;
  }

  .page-news .news-collab__inner {
    grid-template-columns: minmax(0, 1.35fr) minmax(280px, .75fr);
    align-items: center;
  }

  .page-news .news-timeline__item {
    grid-template-columns: 230px minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-channel,
  .page-news .news-timeline__item,
  .page-news .news-timeline__item::before {
    transition: none;
  }

  .page-news .news-channel:hover,
  .page-news .news-channel:focus-visible,
  .page-news .news-timeline__item:hover,
  .page-news .news-timeline__item:focus-within {
    transform: none;
  }
}
<<<END>>>