/* ============================================
   页面专属样式 — 最新动态 /updates/
   作用域：.page-news
   ============================================ */
.page-news {
  --np-bg: var(--c-light);
  --np-card: #FFFFFF;
  --np-ink: var(--c-dark);
  --np-ink-light: var(--c-neutral);
  --np-line: rgba(10, 31, 68, 0.16);
  --np-section-gap: clamp(2.5rem, 6vw, 5rem);
  background-color: var(--np-bg);
  color: var(--np-ink);
}

/* ---------- Hero ---------- */
.page-news .news-hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--c-secondary) 0%, #12315E 60%, #1A3D75 100%);
  color: var(--c-light);
  padding: clamp(1.5rem, 4vw, 3rem) 0 clamp(3rem, 7vw, 5rem);
}
.page-news .news-hero::before {
  content: "";
  position: absolute;
  top: -80px;
  right: -60px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(198, 255, 0, 0.22) 0%, transparent 70%);
  pointer-events: none;
}
.page-news .news-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -24px;
  height: 48px;
  background: var(--np-bg);
  transform: skewY(-2deg);
  transform-origin: left top;
  pointer-events: none;
}
.page-news .news-hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 2rem;
}
.page-news .news-hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 0.75rem;
  color: var(--c-accent);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}
.page-news .news-hero-kicker::before {
  content: "";
  width: 28px;
  height: 4px;
  background: var(--c-primary);
}
.page-news .news-hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(2rem, 6vw, 3.4rem);
  font-weight: 900;
  line-height: 1.08;
  color: #fff;
}
.page-news .news-hero-lead {
  max-width: 34em;
  margin: 0;
  font-size: 1rem;
  line-height: 1.85;
  color: rgba(245, 247, 250, 0.86);
}
.page-news .news-hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}
.page-news .hero-stat-card {
  background: rgba(255, 255, 255, 0.06);
  border: 2px solid rgba(255, 255, 255, 0.18);
  padding: 1rem 0.5rem;
  text-align: center;
}
.page-news .hero-stat-num {
  display: block;
  font-family: var(--font-num);
  font-size: clamp(1.15rem, 3vw, 1.9rem);
  font-weight: 700;
  color: var(--c-primary);
  line-height: 1.2;
}
.page-news .hero-stat-label {
  display: block;
  margin-top: 0.375rem;
  font-size: 0.75rem;
  color: rgba(245, 247, 250, 0.75);
}

/* ---------- 栏目头部 ---------- */
.page-news .news-announcement,
.page-news .news-updates,
.page-news .news-guides,
.page-news .news-performance,
.page-news .news-more {
  padding: var(--np-section-gap) 0;
}
.page-news .section-head {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 2rem;
}
.page-news .section-number {
  font-family: var(--font-num);
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 800;
  line-height: 1;
  color: var(--c-primary);
  min-width: 2.2em;
}
.page-news .section-head h2 {
  margin: 0 0 0.25rem;
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
  font-weight: 900;
  color: var(--c-secondary);
  line-height: 1.2;
}
.page-news .section-subtitle {
  margin: 0;
  font-size: 0.9rem;
  color: var(--np-ink-light);
}

/* ---------- 最新公告 ---------- */
.page-news .announcement-wrap {
  display: grid;
  gap: 1.5rem;
}
.page-news .announcement-banner {
  margin: 0;
  border: var(--border-w) solid var(--c-secondary);
  box-shadow: var(--shadow-brutal);
  background: var(--c-secondary);
  overflow: hidden;
}
.page-news .announcement-banner img {
  width: 100%;
  height: auto;
  display: block;
}
.page-news .announcement-card {
  position: relative;
  background: var(--np-card);
  border: var(--border-w) solid var(--c-secondary);
  border-top: 8px solid var(--c-accent);
  box-shadow: var(--shadow-brutal);
  padding: clamp(1.25rem, 3vw, 2rem);
}
.page-news .announcement-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--c-secondary);
  color: var(--c-light);
  font-size: 0.875rem;
  font-weight: 700;
  padding: 0.375rem 0.875rem;
  margin-bottom: 1rem;
}
.page-news .announcement-card h3 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: 900;
  color: var(--c-secondary);
  line-height: 1.3;
}
.page-news .announcement-card p {
  margin: 0 0 0.875rem;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--np-ink);
}
.page-news .announcement-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

/* ---------- 功能更新记录 ---------- */
.page-news .updates-tabs {
  display: grid;
  gap: 1.25rem;
}
.page-news .updates-tabs .tabs-list {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  padding-bottom: 0.25rem;
}
.page-news .updates-tabs .tabs-trigger {
  border: var(--border-w) solid var(--c-secondary);
  background: var(--np-card);
  color: var(--c-secondary);
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 800;
  padding: 0.75rem 1.25rem;
  cursor: pointer;
  white-space: nowrap;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.page-news .updates-tabs .tabs-trigger:hover {
  box-shadow: 3px 3px 0 var(--c-secondary);
  transform: translate(-1px, -1px);
}
.page-news .updates-tabs .tabs-trigger[aria-selected="true"] {
  background: var(--c-primary);
  border-color: var(--c-primary);
  color: var(--c-light);
  box-shadow: 4px 4px 0 var(--c-secondary);
}
.page-news .tabs-content {
  min-width: 0;
}
.page-news .tabs-panel {
  background: var(--np-card);
  border: var(--border-w) solid var(--c-secondary);
  box-shadow: var(--shadow-brutal-sm);
  padding: clamp(1rem, 3vw, 1.75rem);
}
.page-news .panel-title {
  margin: 0 0 1rem;
  font-size: 1rem;
  font-weight: 900;
  color: var(--c-secondary);
  letter-spacing: 0.02em;
}
.page-news .panel-all-grid {
  display: grid;
  gap: 1.25rem;
}

/* 紧凑更新列表 */
.page-news .update-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-news .update-list--compact .update-row {
  display: grid;
  grid-template-columns: auto auto 1fr auto;
  column-gap: 0.75rem;
  row-gap: 0.375rem;
  align-items: center;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--np-line);
}
.page-news .update-list--compact .update-row:last-child {
  border-bottom: 0;
}
.page-news .update-row-title {
  grid-column: 1 / -1;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--np-ink);
  line-height: 1.4;
}
.page-news .update-row-time {
  justify-self: end;
  font-family: var(--font-num);
  font-size: 0.75rem;
  color: var(--np-ink-light);
  white-space: nowrap;
}
.page-news .update-row-tag {
  font-size: 0.72rem;
  font-weight: 700;
  background: var(--c-secondary);
  color: var(--c-light);
  padding: 0.25rem 0.5rem;
  white-space: nowrap;
}
.page-news .update-row-new {
  background: var(--c-accent);
  color: var(--c-secondary);
  font-size: 0.7rem;
  font-weight: 800;
  padding: 0.2rem 0.4rem;
  letter-spacing: 0.05em;
  white-space: nowrap;
}
.page-news .update-row--latest {
  background: rgba(198, 255, 0, 0.12);
  border-left: 6px solid var(--c-accent);
  padding-left: 0.75rem;
}

/* 详细更新列表 */
.page-news .update-list--detail .update-item {
  padding: 1.25rem 0;
  border-bottom: 2px solid var(--np-line);
}
.page-news .update-list--detail .update-item:last-child {
  border-bottom: 0;
}
.page-news .update-item-head {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}
.page-news .update-item-dot {
  width: 10px;
  height: 10px;
  background: var(--c-primary);
  display: inline-block;
  transform: rotate(45deg);
  flex-shrink: 0;
}
.page-news .update-item-label {
  background: var(--c-primary);
  color: var(--c-light);
  font-size: 0.75rem;
  font-weight: 800;
  padding: 0.25rem 0.625rem;
  white-space: nowrap;
}
.page-news .update-item-new {
  background: var(--c-accent);
  color: var(--c-secondary);
  font-size: 0.7rem;
  font-weight: 800;
  padding: 0.2rem 0.4rem;
  letter-spacing: 0.05em;
}
.page-news .update-item-time {
  margin-left: auto;
  font-family: var(--font-num);
  font-size: 0.75rem;
  color: var(--np-ink-light);
  white-space: nowrap;
}
.page-news .update-item h4 {
  margin: 0 0 0.5rem;
  font-size: 1.125rem;
  font-weight: 900;
  color: var(--c-secondary);
  line-height: 1.3;
}
.page-news .update-item p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--np-ink);
}
.page-news .update-item--latest {
  border-left: 6px solid var(--c-accent);
  padding-left: 1rem;
  background: linear-gradient(90deg, rgba(198, 255, 0, 0.1) 0%, transparent 100%);
}
.page-news .update-item--latest .update-item-dot {
  background: var(--c-accent);
}

/* 可展开更新说明 */
.page-news .update-more {
  margin-top: 0.75rem;
  border: 2px solid var(--c-secondary);
  background: var(--np-bg);
}
.page-news .update-more summary {
  cursor: pointer;
  list-style: none;
  font-size: 0.85rem;
  font-weight: 700;
  padding: 0.625rem 0.875rem;
  color: var(--c-secondary);
}
.page-news .update-more summary::-webkit-details-marker {
  display: none;
}
.page-news .update-more summary::before {
  content: "+";
  display: inline-block;
  margin-right: 0.5em;
  font-family: var(--font-num);
  font-weight: 700;
  color: var(--c-primary);
}
.page-news .update-more[open] summary::before {
  content: "–";
}
.page-news .update-more p {
  padding: 0 0.875rem 0.75rem;
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--np-ink);
}

/* 更新视觉图 */
.page-news .update-visual {
  margin: 0;
  border: var(--border-w) solid var(--c-secondary);
  box-shadow: var(--shadow-brutal-sm);
  background: var(--c-secondary);
}
.page-news .update-visual img {
  width: 100%;
  height: auto;
  display: block;
}

/* ---------- 场景教程 ---------- */
.page-news .news-guides {
  background: var(--c-secondary);
  color: var(--c-light);
}
.page-news .news-guides .section-head h2 {
  color: var(--c-light);
}
.page-news .news-guides .section-subtitle {
  color: rgba(245, 247, 250, 0.72);
}
.page-news .news-guides .section-number {
  color: var(--c-accent);
}
.page-news .guides-layout {
  display: grid;
  gap: 1.5rem;
}
.page-news .guides-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}
.page-news .guide-card {
  background: rgba(255, 255, 255, 0.06);
  border: 2px solid rgba(255, 255, 255, 0.22);
  padding: 1.25rem;
  transition: transform 0.2s ease, border-color 0.2s ease;
}
.page-news .guide-card:hover {
  transform: translateY(-4px);
  border-color: var(--c-primary);
}
.page-news .guide-step {
  display: inline-block;
  font-family: var(--font-num);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--c-secondary);
  background: var(--c-accent);
  padding: 0.25rem 0.625rem;
  margin-bottom: 0.75rem;
}
.page-news .guide-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.125rem;
  font-weight: 900;
  color: var(--c-light);
}
.page-news .guide-card p {
  margin: 0 0 1rem;
  font-size: 0.875rem;
  line-height: 1.75;
  color: rgba(245, 247, 250, 0.8);
}
.page-news .guide-link {
  color: var(--c-accent);
  font-weight: 700;
  font-size: 0.875rem;
  text-decoration: none;
  transition: opacity 0.2s ease;
}
.page-news .guide-link:hover {
  text-decoration: underline;
  opacity: 0.85;
}
.page-news .guide-visual {
  margin: 0;
  border: var(--border-w) solid var(--c-light);
  box-shadow: 6px 6px 0 rgba(255, 107, 0, 0.8);
}
.page-news .guide-visual img {
  width: 100%;
  height: auto;
  display: block;
}

/* ---------- 性能保障 ---------- */
.page-news .news-performance {
  background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-secondary) 100%);
  color: var(--c-light);
}
.page-news .news-performance .section-head h2 {
  color: var(--c-light);
}
.page-news .news-performance .section-subtitle {
  color: rgba(245, 247, 250, 0.78);
}
.page-news .news-performance .section-number {
  color: var(--c-accent);
}
.page-news .performance-layout {
  display: grid;
  gap: 1.5rem;
}
.page-news .performance-copy p {
  margin: 0 0 1.5rem;
  font-size: 1rem;
  line-height: 1.9;
  color: rgba(245, 247, 250, 0.92);
}
.page-news .performance-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}
.page-news .performance-list li {
  position: relative;
  padding-left: 1.5rem;
  font-size: 0.9rem;
  color: var(--c-light);
  line-height: 1.6;
}
.page-news .performance-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 0.75rem;
  height: 0.75rem;
  background: var(--c-accent);
  transform: rotate(45deg);
}
.page-news .performance-visual {
  margin: 0;
  border: var(--border-w) solid var(--c-light);
  box-shadow: 6px 6px 0 rgba(10, 31, 68, 0.9);
}
.page-news .performance-visual img {
  width: 100%;
  height: auto;
  display: block;
}

/* ---------- 相关入口 ---------- */
.page-news .news-more {
  background: var(--np-bg);
}
.page-news .more-links {
  display: grid;
  gap: 1rem;
}
.page-news .more-link {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--np-card);
  border: var(--border-w) solid var(--c-secondary);
  box-shadow: var(--shadow-brutal-sm);
  padding: 1.25rem;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.page-news .more-link:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-brutal);
}
.page-news .more-link-num {
  font-family: var(--font-num);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--c-primary);
  background: var(--c-secondary);
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.page-news .more-link-copy {
  display: grid;
  gap: 0.25rem;
}
.page-news .more-link-copy strong {
  font-size: 1rem;
  font-weight: 900;
  color: var(--c-secondary);
}
.page-news .more-link-copy span {
  font-size: 0.8rem;
  color: var(--np-ink-light);
}

/* ---------- 桌面端布局 ---------- */
@media (min-width: 768px) {
  .page-news .news-hero-inner {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: end;
  }
  .page-news .updates-tabs {
    grid-template-columns: 260px minmax(0, 1fr);
    align-items: start;
  }
  .page-news .updates-tabs .tabs-list {
    flex-direction: column;
    position: sticky;
    top: 2rem;
  }
  .page-news .updates-tabs .tabs-trigger {
    width: 100%;
    text-align: left;
  }
  .page-news .guides-layout {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
  }
  .page-news .performance-layout {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }
  .page-news .more-links {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .page-news .panel-all-grid {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: start;
  }
  .page-news .update-visual img {
    height: 100%;
    object-fit: cover;
  }
}