.page-news {
  --news-aside-w: 236px;
  --news-gap: 18px;
  --news-radius: 2px;
  background: var(--yb-paper);
  color: var(--yb-ink);
}

/* 面包屑 */
.page-news .news-crumb {
  padding-top: 20px;
  font-family: var(--yb-font-mono);
  font-size: 12px;
  letter-spacing: 0.07em;
  color: var(--yb-graphite);
}
.page-news .news-crumb a {
  color: var(--yb-graphite);
  text-decoration: none;
}
.page-news .news-crumb a:hover {
  color: var(--yb-blue);
}

/* 框景首屏 */
.page-news .news-hero {
  position: relative;
  margin-top: 22px;
  padding: clamp(28px, 5vw, 64px) clamp(20px, 4vw, 56px) clamp(30px, 4vw, 56px);
  background:
    radial-gradient(120% 130% at 88% 8%, rgba(0, 194, 168, 0.42) 0%, rgba(0, 194, 168, 0) 52%),
    linear-gradient(140deg, var(--yb-blue-deep) 0%, var(--yb-blue) 62%, #2f74ff 100%);
  color: #fff;
  overflow: hidden;
}

.page-news .news-hero__corner {
  position: absolute;
  width: 22px;
  height: 22px;
  border: 1px solid rgba(255, 255, 255, 0.55);
  pointer-events: none;
}
.page-news .news-hero__corner--tl { top: 12px; left: 12px; border-right: 0; border-bottom: 0; }
.page-news .news-hero__corner--tr { top: 12px; right: 12px; border-left: 0; border-bottom: 0; }
.page-news .news-hero__corner--bl { bottom: 12px; left: 12px; border-right: 0; border-top: 0; }
.page-news .news-hero__corner--br { bottom: 12px; right: 12px; border-left: 0; border-top: 0; }

.page-news .news-hero__eyebrow {
  margin: 0 0 18px;
  color: rgba(255, 255, 255, 0.78);
  font-family: var(--yb-font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.page-news .news-hero__title {
  margin: 0;
  max-width: 15em;
  font-family: var(--yb-font-sans);
  font-weight: 900;
  font-size: clamp(30px, 6.2vw, 62px);
  line-height: 1.1;
  letter-spacing: 0.015em;
}

.page-news .news-hero__lead {
  margin: 20px 0 0;
  max-width: 42em;
  font-family: var(--yb-font-serif);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.9);
}

.page-news .news-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 34px;
  margin: 30px 0 0;
  padding: 20px 0 0;
  list-style: none;
  border-top: 1px solid rgba(255, 255, 255, 0.28);
  font-family: var(--yb-font-sans);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.82);
}
.page-news .news-hero__num {
  display: block;
  font-family: var(--yb-font-mono);
  font-weight: 700;
  font-size: clamp(20px, 2.4vw, 26px);
  letter-spacing: 0.04em;
  color: #fff;
}

/* 双栏骨架 */
.page-news .news-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  padding: 34px 0 72px;
}

/* 左侧索引 */
.page-news .news-index {
  display: flex;
  flex-direction: row;
  gap: 6px;
  overflow-x: auto;
  padding: 0 0 8px;
  scrollbar-width: thin;
}
.page-news .news-index__label {
  flex: 0 0 auto;
  margin: 0 8px 0 0;
  align-self: center;
  font-family: var(--yb-font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--yb-signal-deep);
  text-transform: uppercase;
}
.page-news .news-index .yb-index__link {
  flex: 0 0 auto;
  white-space: nowrap;
}

/* 章节通用 */
.page-news .news-section {
  padding-top: clamp(30px, 4.5vw, 52px);
}
.page-news .news-section:first-child {
  padding-top: 0;
}

.page-news .news-sec-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 10px;
}
.page-news .news-sec-no {
  font-family: var(--yb-font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--yb-signal-deep);
}
.page-news .news-sec-title {
  margin: 0;
  font-family: var(--yb-font-sans);
  font-weight: 800;
  font-size: clamp(21px, 3vw, 30px);
  line-height: 1.3;
  letter-spacing: 0.015em;
  color: var(--yb-ink);
}
.page-news .news-sec-desc {
  margin: 0 0 24px;
  max-width: 58ch;
  font-family: var(--yb-font-serif);
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--yb-graphite);
}

/* 图片 */
.page-news .news-figure {
  margin: 0 0 26px;
  border-radius: var(--news-radius);
  overflow: hidden;
  border: 1px solid var(--yb-line);
  background: var(--yb-glass);
}
.page-news .news-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}
.page-news .news-figure .yb-media__caption {
  padding: 10px 14px;
  font-family: var(--yb-font-mono);
  font-size: 11.5px;
  letter-spacing: 0.05em;
  color: var(--yb-graphite);
  background: #fff;
  border-top: 1px solid var(--yb-line);
}
.page-news .news-figure--series img { aspect-ratio: 10 / 7; }
.page-news .news-figure--version img { aspect-ratio: 3 / 2; }
.page-news .news-figure--screen img { aspect-ratio: 3 / 2; }

/* 分类标签带 */
.page-news .news-tagbar {
  display: flex;
  gap: 8px;
  margin: 0 0 22px;
  padding: 0 0 10px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}
.page-news .news-tagbar li { flex: 0 0 auto; }
.page-news .news-tagbar .yb-tag {
  display: inline-block;
  padding: 6px 12px;
  border: 1px solid var(--yb-line);
  background: #fff;
  color: var(--yb-graphite);
  font-family: var(--yb-font-sans);
  font-size: 12.5px;
  letter-spacing: 0.05em;
  white-space: nowrap;
  transition: border-color 0.16s var(--yb-ease), color 0.16s var(--yb-ease);
}
.page-news .news-tagbar li:first-child .yb-tag {
  border-color: var(--yb-blue);
  background: var(--yb-blue);
  color: #fff;
}

/* 条目瀑布 */
.page-news .entry-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--news-gap);
}

.page-news .entry {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 18px 20px;
  background: #fff;
  border: 1px solid var(--yb-line);
  border-radius: var(--news-radius);
  transition: transform 0.16s var(--yb-ease), border-color 0.16s var(--yb-ease);
}
.page-news .entry:hover {
  transform: translateY(-2px);
  border-color: var(--yb-blue);
}

.page-news .entry__num {
  font-family: var(--yb-font-mono);
  font-weight: 700;
  font-size: clamp(22px, 3vw, 30px);
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--yb-blue);
  opacity: 0.72;
  padding-top: 2px;
}

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

.page-news .entry__meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
}
.page-news .entry__meta .yb-tag {
  font-family: var(--yb-font-sans);
  font-size: 11.5px;
  letter-spacing: 0.06em;
}
.page-news .entry__time {
  font-family: var(--yb-font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--yb-graphite);
}

.page-news .entry__title {
  margin: 0 0 8px;
  font-family: var(--yb-font-sans);
  font-weight: 700;
  font-size: 16.5px;
  line-height: 1.45;
  letter-spacing: 0.01em;
  color: var(--yb-ink);
}

.page-news .entry__text {
  margin: 0;
  font-family: var(--yb-font-serif);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--yb-graphite);
}

.page-news .entry__more {
  margin: 12px 0 0;
  font-family: var(--yb-font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--yb-signal-deep);
}

/* 重点条目 */
.page-news .entry--feature {
  grid-column: 1 / -1;
  background: var(--yb-sand);
  border-color: rgba(16, 24, 40, 0.08);
}
.page-news .entry--feature:hover {
  border-color: var(--yb-blue-deep);
}
.page-news .entry--feature .entry__num {
  color: var(--yb-blue-deep);
  opacity: 0.9;
}
.page-news .entry--feature .entry__title {
  font-size: clamp(18px, 2.4vw, 23px);
}
.page-news .entry--feature .entry__text {
  color: #2b3446;
  font-size: 15px;
}

/* 系列折叠 */
.page-news .series-list {
  border-top: 1px solid var(--yb-line);
}
.page-news .series-item {
  border-bottom: 1px solid var(--yb-line);
  background: transparent;
  transition: background 0.2s var(--yb-ease);
}
.page-news .series-item[open] {
  background: #fff;
}
.page-news .series-item__head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 8px 14px;
  padding: 16px 4px;
  cursor: pointer;
  list-style: none;
}
.page-news .series-item__head::-webkit-details-marker {
  display: none;
}
.page-news .series-item__head::marker {
  content: "";
}
.page-news .series-item__no {
  font-family: var(--yb-font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--yb-signal-deep);
}
.page-news .series-item__name {
  font-family: var(--yb-font-sans);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: 0.02em;
  color: var(--yb-ink);
}
.page-news .series-item__hint {
  font-family: var(--yb-font-serif);
  font-size: 13.5px;
  color: var(--yb-graphite);
}
.page-news .series-item[open] .series-item__hint {
  color: var(--yb-blue-deep);
}
.page-news .series-item__body {
  padding: 0 clamp(4px, 3vw, 40px) 20px calc(4px + 0px);
}
.page-news .series-item__body p {
  margin: 0 0 10px;
  max-width: 60ch;
  font-family: var(--yb-font-serif);
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--yb-graphite);
}
.page-news .series-item__meta {
  font-family: var(--yb-font-mono) !important;
  font-size: 11.5px !important;
  letter-spacing: 0.05em;
  color: var(--yb-signal-deep) !important;
}

/* 版本条目 */
.page-news .version-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-news .version-row {
  display: grid;
  grid-template-columns: 14px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-top: 1px solid var(--yb-line);
}
.page-news .version-row:last-child {
  border-bottom: 1px solid var(--yb-line);
}
.page-news .version-dot {
  width: 9px;
  height: 9px;
  margin-top: 7px;
  border-radius: 50%;
  background: var(--yb-signal);
  box-shadow: 0 0 0 4px rgba(0, 194, 168, 0.16);
}
.page-news .version-head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 8px;
}
.page-news .version-head .yb-tag {
  font-family: var(--yb-font-sans);
  font-size: 11.5px;
  letter-spacing: 0.06em;
}
.page-news .version-time {
  font-family: var(--yb-font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--yb-graphite);
}
.page-news .version-title {
  margin: 0 0 6px;
  font-family: var(--yb-font-sans);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.45;
  color: var(--yb-ink);
}
.page-news .version-text {
  margin: 0;
  max-width: 62ch;
  font-family: var(--yb-font-serif);
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--yb-graphite);
}

/* 标签与检索说明 */
.page-news .tag-guide {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}
.page-news .tag-guide__item {
  padding: 18px 18px 20px;
  border: 1px solid var(--yb-line);
  border-left: 3px solid var(--yb-blue);
  background: #fff;
  border-radius: var(--news-radius);
}
.page-news .tag-guide__item--sand {
  background: var(--yb-sand);
  border-color: rgba(16, 24, 40, 0.08);
  border-left-color: var(--yb-blue-deep);
}
.page-news .tag-guide__title {
  margin: 0 0 8px;
  font-family: var(--yb-font-sans);
  font-weight: 700;
  font-size: 15.5px;
  letter-spacing: 0.02em;
  color: var(--yb-ink);
}
.page-news .tag-guide__item p {
  margin: 0;
  font-family: var(--yb-font-serif);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--yb-graphite);
}

/* 跟进卡片 */
.page-news .follow-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}
.page-news .follow-card {
  display: block;
  padding: 20px 20px 22px;
  background: #fff;
  border: 1px solid var(--yb-line);
  border-radius: var(--news-radius);
  text-decoration: none;
  color: inherit;
  transition: transform 0.16s var(--yb-ease), border-color 0.16s var(--yb-ease);
}
.page-news .follow-card:hover {
  transform: translateY(-2px);
  border-color: var(--yb-blue);
}
.page-news .follow-card--primary {
  background: var(--yb-blue);
  border-color: var(--yb-blue);
  color: #fff;
}
.page-news .follow-card--primary:hover {
  border-color: var(--yb-blue-deep);
}
.page-news .follow-card--sand {
  background: var(--yb-sand);
  border-color: rgba(16, 24, 40, 0.08);
}
.page-news .follow-card__no {
  display: block;
  margin-bottom: 10px;
  font-family: var(--yb-font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--yb-signal-deep);
}
.page-news .follow-card--primary .follow-card__no {
  color: rgba(255, 255, 255, 0.8);
}
.page-news .follow-card__title {
  margin: 0 0 8px;
  font-family: var(--yb-font-sans);
  font-weight: 700;
  font-size: 16.5px;
  line-height: 1.4;
  color: inherit;
}
.page-news .follow-card__text {
  margin: 0 0 14px;
  font-family: var(--yb-font-serif);
  font-size: 14px;
  line-height: 1.8;
  color: var(--yb-graphite);
}
.page-news .follow-card--primary .follow-card__text {
  color: rgba(255, 255, 255, 0.88);
}
.page-news .follow-card__go {
  font-family: var(--yb-font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--yb-blue);
}
.page-news .follow-card--primary .follow-card__go {
  color: #fff;
}

/* 平板与小屏增强 */
@media (min-width: 640px) {
  .page-news .tag-guide {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-news .follow-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-news .entry-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-news .entry--feature {
    grid-column: 1 / -1;
  }
}

@media (min-width: 900px) {
  .page-news .news-body {
    grid-template-columns: var(--news-aside-w) minmax(0, 1fr);
    gap: 44px;
    align-items: start;
    padding-bottom: 88px;
  }
  .page-news .news-aside {
    position: sticky;
    top: calc(var(--yb-header-h) + 22px);
  }
  .page-news .news-index {
    flex-direction: column;
    overflow-x: visible;
    padding-bottom: 0;
    border-left: 1px solid var(--yb-line);
    padding-left: 14px;
  }
  .page-news .news-index__label {
    margin: 0 0 12px;
    align-self: flex-start;
  }
  .page-news .news-index .yb-index__link {
    white-space: normal;
  }
  .page-news .entry-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }
  .page-news .entry--feature {
    grid-column: span 2;
    padding: 24px 24px 26px;
    grid-template-columns: 72px minmax(0, 1fr);
  }
  .page-news .news-figure--lead img { aspect-ratio: 2 / 1; }
  .page-news .series-item__body {
    padding-left: 60px;
  }
}

@media (min-width: 1200px) {
  .page-news .news-sec-desc {
    font-size: 16px;
  }
  .page-news .entry__text {
    font-size: 15px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .entry,
  .page-news .follow-card,
  .page-news .news-tagbar .yb-tag,
  .page-news .series-item {
    transition: none;
  }
  .page-news .entry:hover,
  .page-news .follow-card:hover {
    transform: none;
  }
}
<<<END>>>