.page-news {
  --news-accent: var(--neon-500);
  --news-accent-soft: rgba(255, 106, 0, 0.14);
  --news-line: rgba(192, 199, 209, 0.2);
  --news-card-bg: rgba(255, 255, 255, 0.06);
  --news-gap: clamp(1.25rem, 3vw, 2.5rem);
  position: relative;
  background: radial-gradient(ellipse at 80% 8%, rgba(29, 59, 117, 0.5), transparent 44%), linear-gradient(180deg, var(--space-800), var(--space-900) 90%);
  color: var(--silver-100);
  font-family: var(--font-body);
  line-height: 1.7;
  min-height: 100vh;
}
.page-news *,
.page-news *::before,
.page-news *::after {
  box-sizing: border-box;
}
.page-news a {
  color: inherit;
  text-decoration: none;
}
.page-news img {
  max-width: 100%;
  height: auto;
}
.page-news a:focus-visible {
  outline: 2px solid var(--neon-500);
  outline-offset: 3px;
}
.page-news .page-wrap {
  width: min(1200px, 92%);
  margin-inline: auto;
}

/* 面包屑 */
.page-news .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  padding-top: 2rem;
  font-size: var(--fs-caption);
  color: var(--silver-500);
}
.page-news .breadcrumbs .crumb[aria-current="page"] {
  color: var(--neon-500);
}

/* 页头 hero */
.page-news .news-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  padding: 3.5rem 0 2.5rem;
  position: relative;
}
.page-news .news-hero__text {
  position: relative;
  z-index: 2;
}
.page-news .news-hero__eyebrow {
  font-size: 0.875rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--neon-400);
  margin: 0 0 1rem;
}
.page-news .news-hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.2rem, 6vw, 4.2rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0 0 1.25rem;
  max-width: 12em;
}
.page-news .news-hero__lead {
  font-size: 1.06rem;
  line-height: 1.8;
  color: var(--silver-300);
  max-width: 680px;
  margin: 0 0 2rem;
}
.page-news .news-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.page-news .news-hero__visual {
  position: relative;
  min-height: 220px;
  border-radius: var(--radius-card);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0)), var(--grad-hero);
  overflow: hidden;
}
.page-news .news-hero__line {
  position: absolute;
  left: -20%;
  top: 50%;
  width: 140%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--neon-500), transparent);
  transform: rotate(-18deg);
  opacity: 0.65;
}
.page-news .news-hero__line--2 {
  top: 63%;
  transform: rotate(-12deg);
  opacity: 0.35;
}
.page-news .news-hero__line--3 {
  top: 38%;
  transform: rotate(11deg);
  opacity: 0.22;
}

/* 分类标签导航 */
.page-news .news-tabs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  padding: 1.25rem 0;
  border-top: 1px solid var(--news-line);
  border-bottom: 1px solid var(--news-line);
  margin-bottom: 2.5rem;
}
.page-news .news-tabs__label {
  font-size: 0.875rem;
  color: var(--silver-500);
  margin-right: 0.75rem;
}
.page-news .news-tabs__pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--news-line);
  font-size: 0.875rem;
  color: var(--silver-300);
  transition: border-color 0.2s ease, color 0.2s ease, background-color 0.2s ease;
}
.page-news .news-tabs__pill:hover,
.page-news .news-tabs__pill.is-active {
  border-color: var(--neon-500);
  color: var(--neon-400);
}

/* 最新更新公告区 */
.page-news .news-lead__columns {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: start;
}
.page-news .news-lead__heading {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin-bottom: 1.5rem;
}
.page-news .news-lead__kicker,
.page-news .section-head__kicker {
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--neon-500);
  margin: 0;
}
.page-news .news-lead__title,
.page-news .section-head__title {
  font-family: var(--font-display);
  font-size: var(--fs-section);
  font-weight: 900;
  line-height: 1.15;
  margin: 0;
}

/* 特色文章 */
.page-news .news-post--feature {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  background: var(--news-card-bg);
  border: 1px solid var(--news-line);
  border-radius: var(--radius-card);
  padding: 1.25rem;
  margin-bottom: 1.75rem;
  transition: border-color 0.25s ease;
}
.page-news .news-post--feature:hover {
  border-color: var(--neon-500);
}
.page-news .news-post__media {
  overflow: hidden;
  border-radius: 1rem;
}
.page-news .news-post__media img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
}
.page-news .news-post__tags,
.page-news .news-row__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}
.page-news .news-post__title {
  font-family: var(--font-display);
  font-size: var(--fs-card);
  font-weight: 800;
  line-height: 1.3;
  margin: 0 0 0.5rem;
}
.page-news .news-post__summary {
  color: var(--silver-300);
  font-size: 0.95rem;
  margin: 0 0 0.75rem;
}
.page-news .news-post__date {
  color: var(--neon-400);
  font-size: 0.875rem;
}

/* 密集索引列表 */
.page-news .news-index {
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid var(--news-line);
}
.page-news .news-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.3rem;
  padding: 1.05rem 0.25rem;
  border-bottom: 1px solid var(--news-line);
  transition: background-color 0.2s ease;
}
.page-news .news-row:hover,
.page-news .news-row:focus-within {
  background: rgba(255, 106, 0, 0.05);
}
.page-news .news-row__title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.45;
  margin: 0;
  transition: color 0.2s ease;
}
.page-news .news-row:hover .news-row__title {
  color: var(--neon-400);
}
.page-news .news-row__summary {
  font-size: 0.9rem;
  color: var(--silver-500);
  margin: 0;
  max-height: 1.7em;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  transition: color 0.2s ease;
}
.page-news .news-row:hover .news-row__summary,
.page-news .news-row:focus-within .news-row__summary {
  max-height: none;
  white-space: normal;
  color: var(--silver-300);
}

/* 右侧置顶公告卡 */
.page-news .news-lead__side {
  display: grid;
  gap: 1.5rem;
  align-content: start;
}
.page-news .news-pinned {
  position: relative;
  padding: 1.5rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 106, 0, 0.42);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-panel);
  backdrop-filter: blur(14px);
  overflow: hidden;
}
.page-news .news-pinned::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  background: linear-gradient(120deg, rgba(255, 106, 0, 0.16), transparent 42%, transparent 58%, rgba(255, 106, 0, 0.1));
}
.page-news .news-pinned__tag {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--neon-400);
}
.page-news .news-pinned__title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  line-height: 1.3;
  margin: 0.25rem 0 0.75rem;
}
.page-news .news-pinned__text {
  font-size: 0.92rem;
  color: var(--silver-300);
  margin: 0 0 1.25rem;
}
.page-news .news-pinned img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: 0.75rem;
  margin-bottom: 1.25rem;
}
.page-news .news-pinned__versions {
  display: grid;
  gap: 0.5rem;
  padding-bottom: 1rem;
}
.page-news .news-pinned__versions-label {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--silver-500);
  border-bottom: 1px solid var(--news-line);
  padding-bottom: 0.5rem;
}
.page-news .news-pinned__version {
  display: block;
  padding: 0.55rem 0.75rem;
  border: 1px solid var(--news-line);
  border-radius: 0.75rem;
  font-size: 0.875rem;
  transition: border-color 0.2s ease, transform 0.2s ease, background-color 0.2s ease;
}
.page-news .news-pinned__version:hover {
  border-color: var(--neon-500);
  transform: translateX(4px);
  background: var(--news-accent-soft);
}

/* 快速帮助卡 */
.page-news .news-quick {
  background: var(--space-700);
  border: 1px solid var(--news-line);
  border-radius: var(--radius-card);
  padding: 1.5rem;
  color: var(--silver-100);
}
.page-news .news-quick__chip {
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--neon-400);
}
.page-news .news-quick__title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 800;
  margin: 0.25rem 0 0.5rem;
}
.page-news .news-quick p {
  font-size: 0.9rem;
  line-height: 1.6;
  margin: 0 0 1rem;
}

/* 章节标题 */
.page-news .section-head {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: 2.5rem;
  max-width: 860px;
}
.page-news .section-head__desc {
  font-size: 1rem;
  color: var(--silver-500);
  margin: 0.5rem 0 0;
}

/* 版本迭代系列 */
.page-news .news-series {
  background: linear-gradient(180deg, transparent, rgba(29, 59, 117, 0.28)), var(--space-900);
  border-top: 1px solid rgba(255, 106, 0, 0.2);
  border-bottom: 1px solid var(--news-line);
  padding-block: clamp(4rem, 10vh, 7rem);
}
.page-news .series-track {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-bottom: 2rem;
}
.page-news .series-node {
  position: relative;
  padding: 1.5rem 1.5rem 1.5rem 1.75rem;
  background: var(--news-card-bg);
  border: 1px solid var(--news-line);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: border-color 0.25s ease;
}
.page-news .series-node:hover {
  border-color: rgba(255, 106, 0, 0.55);
}
.page-news .series-node::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--neon-500);
}
.page-news .series-node__ver {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.9rem;
  color: var(--neon-400);
}
.page-news .series-node h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  margin: 0.4rem 0 0.5rem;
  line-height: 1.4;
}
.page-news .series-node p {
  font-size: 0.9rem;
  color: var(--silver-500);
  margin: 0;
}

/* 技术观察专栏 */
.page-news .news-tech {
  padding-block: clamp(4rem, 10vh, 7rem);
}
.page-news .tech-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
.page-news .tech-card {
  position: relative;
  background: var(--news-card-bg);
  border: 1px solid var(--news-line);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: border-color 0.2s ease;
}
.page-news .tech-card:hover {
  border-color: var(--neon-500);
}
.page-news .tech-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
}
.page-news .tech-card__body {
  padding: 1.5rem;
}
.page-news .tech-card h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 800;
  line-height: 1.4;
  margin: 0.5rem 0 0.5rem;
}
.page-news .tech-card p {
  font-size: 0.92rem;
  color: var(--silver-500);
  margin: 0;
}

/* 行业动态要闻 */
.page-news .news-industry {
  border-top: 1px solid rgba(255, 106, 0, 0.18);
  padding-block: clamp(4rem, 10vh, 7rem);
}
.page-news .industry-list {
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid var(--news-line);
}
.page-news .industry-item {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 1rem;
  padding: 1.5rem 0.25rem;
  border-bottom: 1px solid var(--news-line);
  transition: background-color 0.2s ease;
}
.page-news .industry-item:hover {
  background: rgba(255, 106, 0, 0.04);
}
.page-news .industry-item__index {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 900;
  line-height: 1;
  color: rgba(255, 106, 0, 0.55);
}
.page-news .industry-item h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 800;
  line-height: 1.4;
  margin: 0.35rem 0 0.4rem;
}
.page-news .industry-item p {
  font-size: 0.9rem;
  color: var(--silver-500);
  margin: 0;
}

/* 底部站内跳转 */
.page-news .news-jump__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
.page-news .news-jump__card {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 1.75rem;
  background: var(--grad-hero);
  border: 1px solid var(--news-line);
  border-radius: var(--radius-card);
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.page-news .news-jump__card:hover {
  border-color: var(--neon-500);
  transform: translateY(-3px);
}
.page-news .news-jump__label {
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--neon-400);
}
.page-news .news-jump__card strong {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  line-height: 1.45;
}
.page-news .news-jump__arrow {
  font-size: 0.875rem;
  color: var(--silver-500);
}

/* 标签与按钮在页面内的局部配色微调 */
.page-news .tag {
  background: var(--news-accent-soft);
  border: 1px solid rgba(255, 106, 0, 0.35);
  color: var(--neon-400);
}
.page-news .tag--silver {
  background: var(--glass-100);
  border-color: var(--news-line);
  color: var(--silver-300);
}
.page-news .news-pinned .btn--ghost {
  color: var(--neon-400);
  border-color: rgba(255, 106, 0, 0.45);
}
.page-news .news-pinned .btn--ghost:hover {
  background: var(--news-accent-soft);
}

/* 中等宽度过渡 */
@media (min-width: 600px) {
  .page-news .news-post--feature {
    grid-template-columns: 2fr 3fr;
    align-items: center;
  }
  .page-news .news-post__media img {
    height: 240px;
  }
  .page-news .tech-grid {
    grid-template-columns: 1fr 1fr;
  }
  .page-news .news-jump__grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* 桌面端 */
@media (min-width: 900px) {
  .page-news .news-hero {
    grid-template-columns: 3fr 2fr;
    align-items: center;
    padding: 5rem 0 3rem;
  }
  .page-news .news-hero__visual {
    min-height: 300px;
  }
  .page-news .news-lead__columns {
    grid-template-columns: 8fr 4fr;
    gap: 2rem;
  }
  .page-news .news-post--feature {
    grid-template-columns: 6fr 7fr;
  }
  .page-news .news-post__media img {
    height: 260px;
  }
  .page-news .news-tabs {
    padding: 1.5rem 0;
    margin-bottom: 3.5rem;
  }
  .page-news .series-track {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.75rem;
  }
  .page-news .tech-grid {
    grid-template-columns: 7fr 5fr;
    align-items: stretch;
  }
  .page-news .industry-item {
    grid-template-columns: 4.5rem 1fr;
    gap: 1.5rem;
    padding: 2rem 0.5rem;
  }
}