/* ===== 页面专属：更新动态 ===== */
.page-news {
  position: relative;
  background-color: var(--color-bg);
  background-image:
    linear-gradient(rgba(15, 42, 95, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 42, 95, .045) 1px, transparent 1px);
  background-size: 36px 36px;
}
.page-news ::selection {
  background: var(--color-gold);
  color: var(--color-night);
}
.page-news .container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 20px;
}
.page-news img {
  max-width: 100%;
  height: auto;
}
.page-news .section {
  padding: 64px 0 0;
}
.page-news .section-head {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 26px;
}
.page-news .section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--color-engine);
}
.page-news .section-kicker::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--color-gold);
}
.page-news .section-title {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 28px;
  line-height: 1.25;
  font-weight: 800;
  color: var(--color-night);
}
.page-news .section-desc {
  max-width: 720px;
  margin: 4px 0 0;
  font-family: var(--font-serif);
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-slate);
}

/* 面包屑 */
.page-news .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: rgba(255, 255, 255, .72);
}
.page-news .breadcrumbs a {
  color: #fff;
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 255, 255, .38);
  transition: color .2s, border-color .2s;
}
.page-news .breadcrumbs a:hover {
  color: var(--color-cyan);
  border-color: var(--color-cyan);
}

/* 页面头部 */
.page-news .news-head {
  position: relative;
  overflow: hidden;
  padding: 54px 0 82px;
  color: #fff;
  background:
    radial-gradient(circle at 78% 22%, rgba(0, 229, 255, .16), transparent 220px),
    linear-gradient(135deg, var(--color-night) 0%, var(--color-navy) 62%, var(--color-engine) 100%);
}
.page-news .news-head::after {
  content: "";
  position: absolute;
  right: -44px;
  top: 46%;
  width: 260px;
  height: 260px;
  border: 1px solid rgba(0, 229, 255, .26);
  border-radius: 50%;
  box-shadow: 0 0 0 34px rgba(0, 229, 255, .05), 0 0 0 68px rgba(0, 229, 255, .04);
  pointer-events: none;
}
.page-news .news-head-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 18px;
  margin-top: 26px;
}
.page-news .news-head h1 {
  max-width: 700px;
  margin: 12px 0 0;
  font-family: var(--font-sans);
  font-size: 42px;
  line-height: 1.12;
  font-weight: 900;
  letter-spacing: -0.02em;
}
.page-news .news-head-desc {
  max-width: 560px;
  margin: 0;
  font-family: var(--font-serif);
  font-size: 16px;
  line-height: 1.8;
  color: rgba(255, 255, 255, .88);
}

/* 最新发布 */
.page-news .news-featured {
  margin-top: -30px;
  z-index: 2;
  position: relative;
}
.page-news .news-featured-card {
  display: grid;
  grid-template-columns: 1fr;
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
}
.page-news .news-featured-copy {
  padding: 30px 24px 34px;
}
.page-news .news-featured-title {
  margin: 14px 0 10px;
  font-family: var(--font-sans);
  font-size: 26px;
  line-height: 1.3;
  font-weight: 800;
  color: var(--color-night);
}
.page-news .news-featured-summary {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 16px;
  line-height: 1.75;
  color: var(--color-slate);
}
.page-news .news-featured-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  padding: 0;
  margin: 18px 0 6px;
  list-style: none;
}
.page-news .news-featured-meta li {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .03em;
  color: var(--color-engine);
}
.page-news .news-featured-meta li::before {
  content: "·";
  margin-right: 7px;
  color: var(--color-gold);
  font-weight: 700;
}
.page-news .news-featured-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}
.page-news .btn--primary {
  background: var(--color-orange);
  border-color: var(--color-orange);
  color: #fff;
}
.page-news .btn--primary:hover {
  background: var(--color-gold);
  border-color: var(--color-gold);
  color: var(--color-night);
}
.page-news .btn--ghost {
  border: 1px solid rgba(15, 42, 95, .26);
  color: var(--color-navy);
}
.page-news .btn--ghost:hover {
  border-color: var(--color-engine);
  background: rgba(20, 75, 143, .08);
}
.page-news .news-featured-media {
  position: relative;
  margin: 0;
  min-height: 220px;
  background: var(--color-navy);
}
.page-news .news-featured-media img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 220px;
  object-fit: cover;
}

/* 展开说明 */
.page-news .news-expandable {
  margin-top: 16px;
  border-top: 1px dashed var(--color-line);
  padding-top: 14px;
}
.page-news .news-expandable summary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  color: var(--color-navy);
}
.page-news .news-expandable summary::-webkit-details-marker {
  display: none;
}
.page-news .news-expandable summary::before {
  content: "+";
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--color-gold);
}
.page-news .news-expandable[open] summary::before {
  content: "–";
}
.page-news .news-expandable-body {
  padding-top: 12px;
  font-family: var(--font-serif);
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-slate);
}
.page-news .news-expandable-body p + p {
  margin-top: 8px;
}

/* 标签系统 */
.page-news .news-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 999px;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .06em;
  line-height: 1.2;
}
.page-news .news-tag::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 0 4px rgba(255, 122, 0, .16);
}
.page-news .news-tag--feature {
  color: var(--color-engine);
  background: rgba(20, 75, 143, .08);
}
.page-news .news-tag--security {
  color: var(--color-violet);
  background: rgba(124, 92, 191, .10);
}
.page-news .news-tag--change {
  color: var(--color-orange);
  background: rgba(255, 122, 0, .10);
}

/* 本周热点 */
.page-news .news-hot {
  padding-top: 72px;
}
.page-news .news-hot-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  align-items: stretch;
}
.page-news .news-hot-side {
  position: relative;
  overflow: hidden;
  padding: 24px 22px;
  border-radius: var(--radius-lg);
  color: #fff;
  background: linear-gradient(160deg, var(--color-night), var(--color-navy) 72%);
}
.page-news .news-hot-side::after {
  content: "";
  position: absolute;
  right: -30px;
  bottom: -30px;
  width: 120px;
  height: 120px;
  border: 1px dashed rgba(0, 229, 255, .35);
  border-radius: 50%;
  pointer-events: none;
}
.page-news .news-side-index {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--color-cyan);
}
.page-news .news-side-title {
  margin: 4px 0 16px;
  font-family: var(--font-sans);
  font-size: 20px;
  font-weight: 800;
}
.page-news .news-side-list {
  display: grid;
  gap: 6px;
  padding: 0;
  margin: 0;
  list-style: none;
}
.page-news .news-side-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 12px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
}
.page-news .news-side-list li.is-active {
  background: rgba(255, 122, 0, .18);
  border-color: rgba(255, 122, 0, .58);
}
.page-news .news-side-list small {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--color-gold);
}
.page-news .news-hot-list {
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
}
.page-news .news-hot-banner {
  height: 110px;
  overflow: hidden;
  background: var(--color-navy);
}
.page-news .news-hot-banner img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-news .news-list {
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-news .news-item {
  position: relative;
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 14px;
  padding: 22px 20px;
  border-bottom: 1px solid var(--color-line);
}
.page-news .news-item:last-child {
  border-bottom: none;
}
.page-news .news-item-num {
  display: block;
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 26px;
  line-height: 1;
  font-weight: 700;
  color: var(--color-gold);
  opacity: .85;
}
.page-news .news-item-body h3 {
  margin: 7px 0 5px;
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.4;
  font-weight: 700;
  color: var(--color-night);
}
.page-news .news-item-body p {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 14px;
  line-height: 1.65;
  color: var(--color-slate);
}

/* 版本迭代记录 */
.page-news .news-versions {
  padding-top: 76px;
}
.page-news .news-version-wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  align-items: stretch;
}
.page-news .news-version-figure {
  margin: 0;
  min-height: 170px;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--color-navy);
}
.page-news .news-version-figure img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 170px;
  object-fit: cover;
}
.page-news .news-version-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
}
.page-news .news-version-table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
  font-family: var(--font-sans);
}
.page-news .news-version-table thead th {
  padding: 16px 18px 10px;
  border-bottom: 1px solid var(--color-line);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  text-align: left;
  color: var(--color-engine);
}
.page-news .news-version-table tbody th[scope="row"] {
  position: relative;
  padding: 15px 18px;
  border-bottom: 1px solid rgba(242, 183, 5, .28);
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  text-align: left;
  color: var(--color-gold);
  background: rgba(242, 183, 5, .07);
}
.page-news .news-version-table tbody th[scope="row"]::before {
  content: "";
  position: absolute;
  right: 8px;
  top: 50%;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-gold);
  transform: translateY(-50%);
}
.page-news .news-version-table td {
  padding: 15px 18px;
  border-bottom: 1px solid var(--color-line);
  font-family: var(--font-serif);
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-slate);
}
.page-news .news-version-table tbody tr:last-child th,
.page-news .news-version-table tbody tr:last-child td {
  border-bottom: none;
}
.page-news .news-version-table tbody tr {
  transition: background .2s;
}
.page-news .news-version-table tbody tr:hover {
  background: rgba(0, 229, 255, .05);
}

/* 变更说明索引 */
.page-news .news-index {
  padding: 76px 0 96px;
}
.page-news .news-index-card {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  overflow: hidden;
  border-radius: var(--radius-lg);
  color: #fff;
  background:
    linear-gradient(135deg, rgba(0, 229, 255, .10), transparent 60%),
    linear-gradient(135deg, var(--color-night), var(--color-navy) 78%);
  box-shadow: var(--shadow-soft);
}
.page-news .news-index-card::after {
  content: "";
  position: absolute;
  left: 42%;
  bottom: -46px;
  width: 180px;
  height: 180px;
  border: 1px dashed rgba(255, 255, 255, .18);
  border-radius: 50%;
  pointer-events: none;
}
.page-news .news-index-copy {
  position: relative;
  z-index: 1;
  padding: 30px 24px 36px;
}
.page-news .news-index-copy .section-kicker {
  color: var(--color-cyan);
}
.page-news .news-index-copy .section-kicker::before {
  background: var(--color-gold);
}
.page-news .news-index-copy .section-title {
  color: #fff;
}
.page-news .news-index-desc {
  max-width: 560px;
  margin: 12px 0 24px;
  font-family: var(--font-serif);
  font-size: 16px;
  line-height: 1.8;
  color: rgba(255, 255, 255, .84);
}
.page-news .news-index .btn--primary {
  background: var(--color-gold);
  border-color: var(--color-gold);
  color: var(--color-night);
}
.page-news .news-index .btn--primary:hover {
  background: var(--color-orange);
  border-color: var(--color-orange);
  color: #fff;
}
.page-news .news-index-media {
  position: relative;
  min-height: 220px;
  margin: 0;
  background: var(--color-engine);
}
.page-news .news-index-media img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 220px;
  object-fit: cover;
}

/* 桌面端布局 */
@media (min-width: 640px) {
  .page-news .news-head h1 {
    font-size: 56px;
  }
  .page-news .news-featured-copy {
    padding: 38px 36px 42px;
  }
  .page-news .news-item {
    grid-template-columns: 64px 1fr;
    padding: 26px 28px;
  }
  .page-news .news-item-num {
    font-size: 30px;
  }
}

@media (min-width: 900px) {
  .page-news .news-head {
    padding: 72px 0 104px;
  }
  .page-news .news-head-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    gap: 44px;
    align-items: end;
    margin-top: 22px;
  }
  .page-news .news-featured-card {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
  }
}

@media (min-width: 981px) {
  .page-news .news-hot-layout {
    grid-template-columns: 260px minmax(0, 1fr);
    gap: 22px;
  }
  .page-news .news-hot-side {
    padding: 30px 26px;
  }
  .page-news .news-version-wrap {
    grid-template-columns: minmax(280px, 36%) 1fr;
    gap: 22px;
  }
  .page-news .news-index-card {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr);
  }
  .page-news .news-index-copy {
    padding: 46px 42px;
  }
}