.page-news {
  --news-timeline-line: var(--color-accent2, #39FF14);
  --news-node-bg: rgba(123, 47, 247, 0.08);
  --news-node-hover: rgba(123, 47, 247, 0.18);
  --news-number-bg: var(--color-accent1, #7B2FF7);
  --news-month-color: var(--color-accent1, #7B2FF7);
  --news-card-border: var(--color-border, #1E3A5F);
  --news-gradient-text: linear-gradient(135deg, #7B2FF7, #39FF14);

  display: block;
  position: relative;
  background: var(--color-bg, #0B1D3A);
  color: var(--color-text-primary, #FFFFFF);
  font-family: var(--font-heading, Arial, 'Noto Sans SC', sans-serif);
  line-height: 1.6;
}

/* 面包屑 */
.page-news .breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding-top: 1rem;
  padding-bottom: 0.5rem;
  font-size: 0.85rem;
  color: var(--color-text-secondary, #B0BEC5);
  max-width: var(--width-max, 1200px);
  margin: 0 auto;
  padding-left: 1rem;
  padding-right: 1rem;
}
.page-news .breadcrumb a {
  color: var(--color-text-secondary, #B0BEC5);
  text-decoration: none;
  transition: color 0.2s;
}
.page-news .breadcrumb a:hover,
.page-news .breadcrumb a:focus-visible {
  color: var(--color-accent1, #7B2FF7);
}
.page-news .breadcrumb-sep {
  color: var(--color-border, #1E3A5F);
}
.page-news .breadcrumb-current {
  color: var(--color-text-primary, #FFFFFF);
}

/* 页面标题 */
.page-news .page-header {
  max-width: var(--width-max, 1200px);
  margin: 0 auto;
  padding: 2rem 1rem 1rem;
}
.page-news .page-title {
  font-size: clamp(2rem, 6vw, 3.8rem);
  font-weight: 900;
  line-height: 1.1;
  margin: 0 0 0.75rem;
  letter-spacing: -0.02em;
  background: var(--news-gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.page-news .page-desc {
  font-size: clamp(0.95rem, 1.4vw, 1.15rem);
  color: var(--color-text-secondary, #B0BEC5);
  max-width: 720px;
  margin: 0;
  line-height: 1.7;
}

/* 通用章节头部 */
.page-news .section-heading {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 900;
  margin: 0 0 1.5rem;
  color: var(--color-text-primary);
}
.page-news .heading-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.4rem;
  height: 2.4rem;
  background: var(--news-number-bg);
  color: #fff;
  font-family: var(--font-mono, 'Courier New', monospace);
  font-size: 1rem;
  font-weight: 700;
  border-radius: 4px;
  flex-shrink: 0;
}

/* ========== 1. 本季更新概要 ========== */
.page-news .section-overview {
  padding: 3rem 0 2rem;
}
.page-news .section-overview .nuoya-container {
  max-width: var(--width-max, 1200px);
  margin: 0 auto;
  padding: 0 1rem;
}
.page-news .overview-intro {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 1.5rem 2rem;
  margin-bottom: 2rem;
}
.page-news .overview-lead {
  flex: 1 1 260px;
  font-size: 1.05rem;
  color: var(--color-text-secondary, #B0BEC5);
  margin: 0;
  max-width: 560px;
}
.page-news .overview-stats {
  display: flex;
  gap: 1.5rem 2rem;
  flex-wrap: wrap;
}
.page-news .stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
}
.page-news .stat-value {
  font-family: var(--font-mono, 'Courier New', monospace);
  font-size: 1.8rem;
  font-weight: 900;
  color: var(--color-accent2, #39FF14);
  line-height: 1.2;
}
.page-news .stat-label {
  font-size: 0.75rem;
  color: var(--color-text-secondary, #B0BEC5);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.page-news .overview-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-bottom: 2rem;
}
@media (min-width: 480px) {
  .page-news .overview-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 900px) {
  .page-news .overview-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.page-news .overview-card {
  background: var(--color-bg-card, #102A4A);
  border: 1px solid var(--news-card-border);
  border-radius: 8px;
  padding: 1.25rem 1.25rem 1rem;
  display: flex;
  flex-direction: column;
  transition: border-color 0.25s, box-shadow 0.25s;
}
.page-news .overview-card:hover {
  border-color: var(--color-accent1, #7B2FF7);
  box-shadow: 0 0 0 1px rgba(123, 47, 247, 0.2);
}
.page-news .overview-number {
  font-family: var(--font-mono, 'Courier New', monospace);
  font-size: 0.85rem;
  color: var(--color-accent1, #7B2FF7);
  font-weight: 700;
  margin-bottom: 0.4rem;
  display: block;
}
.page-news .overview-card-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin: 0 0 0.4rem;
  line-height: 1.3;
  color: var(--color-text-primary);
}
.page-news .overview-card-desc {
  font-size: 0.88rem;
  color: var(--color-text-secondary, #B0BEC5);
  margin: 0 0 0.75rem;
  flex: 1;
  line-height: 1.5;
}
.page-news .overview-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  border-radius: 20px;
  background: rgba(57, 255, 20, 0.15);
  color: var(--color-accent2, #39FF14);
  align-self: flex-start;
  letter-spacing: 0.04em;
}

.page-news .overview-figure {
  margin: 2rem 0 0;
  max-width: 400px;
}
.page-news .overview-img {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: 6px;
  border: 1px solid var(--news-card-border);
  object-fit: cover;
}
.page-news .overview-caption {
  font-size: 0.8rem;
  color: var(--color-text-secondary, #B0BEC5);
  margin-top: 0.5rem;
  text-align: center;
}

/* ========== 2. 更新日历 ========== */
.page-news .section-timeline {
  padding: 3rem 0;
  position: relative;
}
.page-news .section-timeline .nuoya-container {
  max-width: var(--width-max, 1200px);
  margin: 0 auto;
  padding: 0 1rem;
}
.page-news .timeline-intro {
  font-size: 1rem;
  color: var(--color-text-secondary, #B0BEC5);
  margin: -0.5rem 0 2rem;
  max-width: 640px;
}

.page-news .timeline-rhythm {
  margin: 0 0 2.5rem;
  max-width: 800px;
}
.page-news .rhythm-img {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: 6px;
  border: 1px solid var(--news-card-border);
  object-fit: cover;
}
.page-news .rhythm-caption {
  font-size: 0.8rem;
  color: var(--color-text-secondary, #B0BEC5);
  margin-top: 0.4rem;
}

/* 时间线 */
.page-news .timeline {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

/* 季度 */
.page-news .timeline-quarter {
  position: relative;
}
.page-news .quarter-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 1rem;
  background: var(--q-color, rgba(123, 47, 247, 0.2));
  border-radius: 6px;
  margin-bottom: 1.25rem;
  border-left: 4px solid var(--color-accent1, #7B2FF7);
}
.page-news .quarter-badge {
  font-family: var(--font-mono, 'Courier New', monospace);
  font-size: 1.1rem;
  font-weight: 900;
  color: var(--color-accent2, #39FF14);
  background: rgba(0,0,0,0.3);
  padding: 0.15rem 0.6rem;
  border-radius: 4px;
}
.page-news .quarter-label {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-primary);
}

.page-news .quarter-nodes {
  position: relative;
  padding-left: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
/* 时间线竖线 */
.page-news .quarter-nodes::before {
  content: '';
  position: absolute;
  left: 6px;
  top: 0.6rem;
  bottom: 0.6rem;
  width: 2px;
  background: var(--news-timeline-line);
  opacity: 0.5;
  border-radius: 2px;
}

.page-news .timeline-node {
  position: relative;
  display: flex;
  gap: 1rem;
}
.page-news .node-marker {
  flex-shrink: 0;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--news-timeline-line);
  border: 3px solid var(--color-bg, #0B1D3A);
  margin-top: 0.3rem;
  position: relative;
  z-index: 1;
  box-shadow: 0 0 0 2px var(--news-timeline-line);
}

.page-news .node-content {
  flex: 1;
  min-width: 0;
  background: var(--news-node-bg);
  border-radius: 8px;
  padding: 1rem 1rem 0.75rem;
  border: 1px solid transparent;
  transition: background 0.25s, border-color 0.25s;
}
.page-news .node-content:hover {
  background: var(--news-node-hover);
  border-color: rgba(123, 47, 247, 0.25);
}

.page-news .node-header {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5rem 0.75rem;
  cursor: default;
}
.page-news .node-number {
  font-family: var(--font-mono, 'Courier New', monospace);
  font-size: 0.9rem;
  font-weight: 700;
  color: #fff;
  background: var(--news-number-bg);
  padding: 0.1rem 0.5rem;
  border-radius: 4px;
  line-height: 1.4;
}
.page-news .node-month {
  font-family: var(--font-mono, 'Courier New', monospace);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--news-month-color);
  letter-spacing: 0.04em;
}
.page-news .node-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-text-primary);
  flex: 1;
  min-width: 120px;
}
.page-news .node-toggle {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid var(--color-border, #1E3A5F);
  background: transparent;
  color: var(--color-accent2, #39FF14);
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, border-color 0.2s;
  line-height: 1;
}
.page-news .node-toggle:hover,
.page-news .node-toggle:focus-visible {
  background: rgba(57, 255, 20, 0.15);
  border-color: var(--color-accent2);
}

.page-news .node-detail {
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--news-card-border);
  display: block;
}
.page-news .node-detail p {
  font-size: 0.9rem;
  color: var(--color-text-secondary, #B0BEC5);
  margin: 0 0 0.6rem;
  line-height: 1.6;
}
.page-news .node-link {
  font-size: 0.8rem;
  padding: 0.3rem 0.9rem;
  margin-top: 0.25rem;
  display: inline-block;
}

.page-news .node-figure {
  margin: 0.75rem 0 0.5rem;
  max-width: 100%;
}
.page-news .node-img {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: 4px;
  border: 1px solid var(--news-card-border);
  object-fit: cover;
}

/* ========== 3. 功能解释 ========== */
.page-news .section-explain {
  padding: 3rem 0 2rem;
}
.page-news .section-explain .nuoya-container {
  max-width: var(--width-max, 1200px);
  margin: 0 auto;
  padding: 0 1rem;
}
.page-news .explain-intro {
  font-size: 1rem;
  color: var(--color-text-secondary, #B0BEC5);
  margin: -0.5rem 0 2rem;
  max-width: 640px;
}

.page-news .explain-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
@media (min-width: 700px) {
  .page-news .explain-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 1100px) {
  .page-news .explain-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.page-news .explain-card {
  background: var(--color-bg-card, #102A4A);
  border: 1px solid var(--news-card-border);
  border-radius: 10px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.page-news .explain-card:hover {
  border-color: var(--color-accent1, #7B2FF7);
  box-shadow: 0 4px 20px rgba(123, 47, 247, 0.15);
}

.page-news .explain-card-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}
.page-news .explain-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(123, 47, 247, 0.15);
  border-radius: 8px;
  color: var(--color-accent1, #7B2FF7);
}
.page-news .explain-icon svg {
  display: block;
}
.page-news .explain-card-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin: 0;
  line-height: 1.3;
  color: var(--color-text-primary);
}

.page-news .explain-card-body {
  flex: 1;
}
.page-news .explain-card-body p {
  font-size: 0.9rem;
  color: var(--color-text-secondary, #B0BEC5);
  margin: 0 0 0.75rem;
  line-height: 1.65;
}
.page-news .explain-card-body .nuoya-btn {
  margin-top: 0.5rem;
}

.page-news .explain-figure {
  margin: 1rem 0 0;
  max-width: 100%;
}
.page-news .explain-img {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: 6px;
  border: 1px solid var(--news-card-border);
  object-fit: cover;
}

/* ========== 相关页面 ========== */
.page-news .section-related {
  padding: 2rem 0 3rem;
}
.page-news .section-related .nuoya-container {
  max-width: var(--width-max, 1200px);
  margin: 0 auto;
  padding: 0 1rem;
}
.page-news .related-heading .heading-num {
  background: transparent;
  color: var(--color-accent2, #39FF14);
  font-size: 1.6rem;
  width: auto;
  height: auto;
}
.page-news .related-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  margin-top: 1rem;
}
.page-news .related-link {
  color: var(--color-text-secondary, #B0BEC5);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  padding: 0.3rem 0;
  border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}
.page-news .related-link:hover,
.page-news .related-link:focus-visible {
  color: var(--color-accent1, #7B2FF7);
  border-bottom-color: var(--color-accent1);
}

/* ========== 全局组件适配 ========== */
.page-news .nuoya-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 1.2rem;
  border-radius: 6px;
  font-family: var(--font-heading, Arial, sans-serif);
  font-weight: 600;
  font-size: 0.85rem;
  text-decoration: none;
  transition: all 0.25s;
  cursor: pointer;
  line-height: 1.4;
  border: 1px solid transparent;
}
.page-news .nuoya-btn-primary {
  background: var(--color-gradient, linear-gradient(135deg, #7B2FF7, #39FF14));
  color: #fff;
  border: none;
}
.page-news .nuoya-btn-primary:hover,
.page-news .nuoya-btn-primary:focus-visible {
  opacity: 0.9;
  box-shadow: 0 0 16px rgba(57, 255, 20, 0.3);
}
.page-news .nuoya-btn-outline {
  background: transparent;
  color: var(--color-accent1, #7B2FF7);
  border: 1px solid var(--color-accent1, #7B2FF7);
}
.page-news .nuoya-btn-outline:hover,
.page-news .nuoya-btn-outline:focus-visible {
  background: rgba(123, 47, 247, 0.12);
  box-shadow: 0 0 12px rgba(123, 47, 247, 0.2);
}

/* ========== 响应式 ========== */
@media (min-width: 768px) {
  .page-news .page-header {
    padding: 3rem 2rem 1.5rem;
  }
  .page-news .section-overview .nuoya-container,
  .page-news .section-timeline .nuoya-container,
  .page-news .section-explain .nuoya-container,
  .page-news .section-related .nuoya-container {
    padding: 0 2rem;
  }
  .page-news .overview-grid {
    gap: 1.25rem;
  }
  .page-news .quarter-nodes {
    padding-left: 2.5rem;
  }
  .page-news .quarter-nodes::before {
    left: 10px;
  }
  .page-news .node-marker {
    width: 18px;
    height: 18px;
    margin-top: 0.4rem;
  }
  .page-news .node-content {
    padding: 1.25rem 1.25rem 1rem;
  }
  .page-news .explain-grid {
    gap: 1.5rem;
  }
  .page-news .explain-card {
    padding: 1.75rem;
  }
}

@media (min-width: 1024px) {
  .page-news .overview-grid {
    gap: 1.5rem;
  }
  .page-news .quarter-nodes {
    padding-left: 3rem;
  }
  .page-news .quarter-nodes::before {
    left: 12px;
  }
  .page-news .node-marker {
    width: 20px;
    height: 20px;
    margin-top: 0.5rem;
  }
  .page-news .node-number {
    font-size: 1rem;
  }
  .page-news .node-title {
    font-size: 1.15rem;
  }
  .page-news .node-detail p {
    font-size: 0.95rem;
  }
  .page-news .explain-card-title {
    font-size: 1.25rem;
  }
}

/* 窄屏安全 */
@media (max-width: 360px) {
  .page-news .overview-card {
    padding: 1rem;
  }
  .page-news .node-header {
    gap: 0.35rem;
  }
  .page-news .node-title {
    font-size: 0.95rem;
    min-width: 80px;
  }
  .page-news .quarter-header {
    flex-wrap: wrap;
  }
  .page-news .node-toggle {
    width: 24px;
    height: 24px;
    font-size: 0.95rem;
  }
}

/* 打印 */
@media print {
  .page-news {
    background: #fff;
    color: #111;
  }
  .page-news .breadcrumb,
  .page-news .node-toggle,
  .page-news .nuoya-progress-bar,
  .page-news .nuoya-back-to-top {
    display: none !important;
  }
  .page-news .overview-card,
  .page-news .explain-card,
  .page-news .node-content {
    background: #f5f5f5;
    border-color: #ccc;
  }
  .page-news .page-title {
    background: none;
    -webkit-text-fill-color: #111;
    color: #111;
  }
}

.page-news {
  --q-color: var(--color-bg);
}