/* ========== page-news 专属样式 ========== */
.page-news {
  --page-news-gold: #D4AF37;
  --page-news-gold-light: #E8D488;
  --page-news-primary: #0A562B;
  --page-news-primary-dark: #063A1D;
  --page-news-primary-light: #1E8C4A;
  --page-news-bg-card: #F5F5F0;
  --page-news-text: #1A1A1A;
  --page-news-text-secondary: #4A4A4A;
  --page-news-border-thick: 4px;
  --page-news-shadow: 8px 8px 0 rgba(10, 86, 43, 0.2);
  --page-news-shadow-hover: 12px 12px 0 rgba(10, 86, 43, 0.3);
  --page-news-transition: 0.3s ease;
  --page-news-radius: 0;
  --page-news-timeline-width: 3px;

  padding-top: 1.5rem;
  padding-bottom: 4rem;
  background: var(--clr-bg, #F5F5F0);
}

/* 面包屑覆写在页面内 */
.page-news .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-family: var(--font-body, system-ui, sans-serif);
  font-size: 0.875rem;
  margin-bottom: 2rem;
  color: var(--page-news-text-secondary);
}
.page-news .breadcrumb a {
  color: var(--page-news-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--page-news-transition);
}
.page-news .breadcrumb a:hover,
.page-news .breadcrumb a:focus {
  color: var(--page-news-gold);
}
.page-news .breadcrumb__sep {
  margin: 0 0.25rem;
  color: var(--page-news-gold);
  font-weight: 700;
}

/* 顶部引言 */
.page-news__intro {
  margin-bottom: 3rem;
  border-bottom: var(--page-news-border-thick) solid var(--page-news-gold);
  padding-bottom: 1.5rem;
}
.page-news__intro-title {
  font-family: var(--font-heading, system-ui, sans-serif);
  font-weight: 900;
  font-size: 2.25rem;
  letter-spacing: -0.02em;
  color: var(--page-news-primary-dark);
  margin: 0 0 0.75rem;
  line-height: 1.1;
}
.page-news__intro-text {
  font-family: var(--font-body, system-ui, sans-serif);
  font-size: 1.0625rem;
  color: var(--page-news-text-secondary);
  max-width: 640px;
  margin: 0;
  line-height: 1.6;
}

/* 区块标题 */
.page-news__section {
  margin-bottom: 4rem;
}
.page-news__section--alt {
  background: var(--clr-bg-dark, #E0E0D8);
  margin-left: calc(-1 * var(--space-md, 1rem));
  margin-right: calc(-1 * var(--space-md, 1rem));
  padding: 2.5rem var(--space-md, 1rem) 3rem;
}
@media (min-width: 768px) {
  .page-news__section--alt {
    margin-left: calc(-1 * ((100vw - var(--max-width, 1200px)) / 2));
    margin-right: calc(-1 * ((100vw - var(--max-width, 1200px)) / 2));
    padding-left: calc((100vw - var(--max-width, 1200px)) / 2);
    padding-right: calc((100vw - var(--max-width, 1200px)) / 2);
  }
}
.page-news__section-title {
  font-family: var(--font-heading, system-ui, sans-serif);
  font-weight: 900;
  font-size: 1.75rem;
  letter-spacing: -0.01em;
  color: var(--page-news-primary);
  margin: 0 0 2rem;
  padding-left: 0.75rem;
  border-left: var(--page-news-border-thick) solid var(--page-news-gold);
  line-height: 1.2;
}
.page-news__section-desc {
  font-family: var(--font-body, system-ui, sans-serif);
  font-size: 1rem;
  color: var(--page-news-text-secondary);
  max-width: 560px;
  margin: -1rem 0 2rem 0.75rem;
  line-height: 1.5;
}

/* ===== 时间轴 ===== */
.page-news__timeline {
  position: relative;
  padding-left: 2.5rem;
}
.page-news__timeline-line {
  position: absolute;
  left: 1.125rem;
  top: 0.5rem;
  bottom: 0.5rem;
  width: var(--page-news-timeline-width);
  background: var(--page-news-gold);
  border-radius: 2px;
  transform: translateX(-50%);
}
.page-news__timeline-item {
  position: relative;
  margin-bottom: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.page-news__timeline-item:last-child {
  margin-bottom: 0;
}
.page-news__timeline-node {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  position: relative;
  z-index: 2;
  padding-left: 0;
}
.page-news__timeline-dot {
  display: block;
  width: 20px;
  height: 20px;
  background: var(--page-news-primary);
  border: 3px solid var(--page-news-gold);
  border-radius: 50%;
  flex-shrink: 0;
  box-shadow: 0 0 0 3px var(--clr-bg, #F5F5F0);
  transition: background var(--page-news-transition), transform var(--page-news-transition);
}
.page-news__timeline-item:hover .page-news__timeline-dot,
.page-news__timeline-item:focus-within .page-news__timeline-dot {
  background: var(--page-news-gold);
  transform: scale(1.15);
}
.page-news__timeline-label {
  font-family: var(--font-mono, monospace);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--page-news-primary);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background: var(--clr-bg, #F5F5F0);
  padding: 0.15rem 0.6rem;
  border: 1px solid var(--page-news-primary-light);
}
.page-news__timeline-card {
  margin-left: 0;
  padding: 1.25rem 1.5rem;
  background: var(--page-news-bg-card);
  border: 2px solid var(--page-news-primary);
  box-shadow: var(--page-news-shadow);
  transition: box-shadow var(--page-news-transition), transform var(--page-news-transition);
  position: relative;
  z-index: 1;
}
.page-news__timeline-card:hover {
  box-shadow: var(--page-news-shadow-hover);
  transform: translateY(-2px);
}
.page-news__card-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.75rem;
}
.page-news__card-icon {
  width: 60px;
  height: 60px;
  object-fit: contain;
  flex-shrink: 0;
  border: 1px solid var(--page-news-gold-light);
  padding: 4px;
  background: #fff;
}
.page-news__card-title {
  font-family: var(--font-heading, system-ui, sans-serif);
  font-weight: 800;
  font-size: 1.125rem;
  color: var(--page-news-primary-dark);
  margin: 0;
  line-height: 1.3;
}
.page-news__card-text {
  font-family: var(--font-body, system-ui, sans-serif);
  font-size: 0.9375rem;
  color: var(--page-news-text);
  margin: 0;
  line-height: 1.6;
}

/* ===== 路线图 ===== */
.page-news__roadmap {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
.page-news__roadmap-card {
  padding: 1.5rem;
  background: var(--page-news-bg-card);
  border: 2px solid var(--page-news-primary);
  box-shadow: var(--page-news-shadow);
  transition: box-shadow var(--page-news-transition), transform var(--page-news-transition);
}
.page-news__roadmap-card:hover {
  box-shadow: var(--page-news-shadow-hover);
  transform: translateY(-3px);
}
.page-news__roadmap-card--featured {
  border-color: var(--page-news-gold);
  background: #fffef7;
  grid-column: 1 / -1;
}
.page-news__roadmap-icon-wrap {
  margin-bottom: 1rem;
}
.page-news__roadmap-icon {
  width: 60px;
  height: 60px;
  object-fit: contain;
  border: 1px solid var(--page-news-gold-light);
  padding: 4px;
  background: #fff;
}
.page-news__roadmap-title {
  font-family: var(--font-heading, system-ui, sans-serif);
  font-weight: 800;
  font-size: 1.125rem;
  color: var(--page-news-primary-dark);
  margin: 0 0 0.5rem;
  line-height: 1.3;
}
.page-news__roadmap-text {
  font-family: var(--font-body, system-ui, sans-serif);
  font-size: 0.9375rem;
  color: var(--page-news-text);
  margin: 0;
  line-height: 1.6;
}

/* ===== 优化故事 ===== */
.page-news__stories {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
.page-news__story-card {
  padding: 1.5rem;
  background: var(--page-news-bg-card);
  border: 2px solid var(--page-news-primary);
  box-shadow: var(--page-news-shadow);
  transition: box-shadow var(--page-news-transition), transform var(--page-news-transition);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.page-news__story-card:hover {
  box-shadow: var(--page-news-shadow-hover);
  transform: translateY(-3px);
}
.page-news__story-icon-wrap {
  flex-shrink: 0;
}
.page-news__story-icon {
  width: 56px;
  height: 56px;
  object-fit: contain;
  border: 1px solid var(--page-news-gold-light);
  padding: 4px;
  background: #fff;
}
.page-news__story-title {
  font-family: var(--font-heading, system-ui, sans-serif);
  font-weight: 800;
  font-size: 1.0625rem;
  color: var(--page-news-primary-dark);
  margin: 0;
  line-height: 1.3;
}
.page-news__story-text {
  font-family: var(--font-body, system-ui, sans-serif);
  font-size: 0.9375rem;
  color: var(--page-news-text);
  margin: 0;
  line-height: 1.6;
}

/* ===== CTA 底部 ===== */
.page-news__cta {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 2rem 1.5rem;
  background: var(--page-news-primary);
  margin-top: 3rem;
  flex-wrap: wrap;
}
.page-news__cta-icon {
  width: 48px;
  height: 48px;
  object-fit: contain;
  flex-shrink: 0;
  filter: brightness(0) invert(1);
}
.page-news__cta-text {
  font-family: var(--font-body, system-ui, sans-serif);
  font-size: 1rem;
  color: #fff;
  margin: 0;
  line-height: 1.5;
  flex: 1;
  min-width: 200px;
}
.page-news__cta-text a {
  color: var(--page-news-gold-light);
  text-decoration: underline;
  text-underline-offset: 2px;
  font-weight: 600;
  transition: color var(--page-news-transition);
}
.page-news__cta-text a:hover,
.page-news__cta-text a:focus {
  color: #fff;
}

/* ===== 数据响应式显现 ===== */
.page-news [data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.page-news [data-reveal].revealed {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  .page-news [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ===== 移动端优先 + 响应式 ===== */
@media (max-width: 479px) {
  .page-news {
    padding-top: 1rem;
    padding-bottom: 3rem;
  }
  .page-news__intro-title {
    font-size: 1.75rem;
  }
  .page-news__intro-text {
    font-size: 0.9375rem;
  }
  .page-news__section-title {
    font-size: 1.375rem;
  }
  .page-news__timeline {
    padding-left: 1.75rem;
  }
  .page-news__timeline-line {
    left: 0.875rem;
  }
  .page-news__timeline-dot {
    width: 16px;
    height: 16px;
  }
  .page-news__timeline-label {
    font-size: 0.7rem;
  }
  .page-news__timeline-card {
    padding: 1rem 1.125rem;
  }
  .page-news__card-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
  .page-news__card-icon {
    width: 48px;
    height: 48px;
  }
  .page-news__roadmap-card,
  .page-news__story-card {
    padding: 1.125rem;
  }
  .page-news__cta {
    padding: 1.5rem 1rem;
    flex-direction: column;
    text-align: center;
  }
  .page-news__cta-icon {
    width: 40px;
    height: 40px;
  }
}

@media (min-width: 480px) and (max-width: 767px) {
  .page-news__intro-title {
    font-size: 2rem;
  }
  .page-news__timeline {
    padding-left: 2.25rem;
  }
  .page-news__roadmap {
    grid-template-columns: 1fr 1fr;
  }
  .page-news__roadmap-card--featured {
    grid-column: 1 / -1;
  }
  .page-news__stories {
    grid-template-columns: 1fr 1fr;
  }
  .page-news__cta {
    flex-wrap: nowrap;
  }
}

@media (min-width: 768px) {
  .page-news__intro-title {
    font-size: 2.75rem;
  }
  .page-news__intro-text {
    font-size: 1.125rem;
  }
  .page-news__section-title {
    font-size: 2rem;
  }
  .page-news__timeline {
    padding-left: 3.5rem;
  }
  .page-news__timeline-line {
    left: 1.5rem;
  }
  .page-news__timeline-dot {
    width: 24px;
    height: 24px;
    border-width: 4px;
  }
  .page-news__timeline-label {
    font-size: 0.85rem;
  }
  .page-news__timeline-card {
    padding: 1.5rem 2rem;
  }
  .page-news__card-icon {
    width: 64px;
    height: 64px;
  }
  .page-news__card-title {
    font-size: 1.25rem;
  }
  .page-news__roadmap {
    grid-template-columns: 1fr 1fr 1fr;
  }
  .page-news__roadmap-card--featured {
    grid-column: 1 / -1;
  }
  .page-news__stories {
    grid-template-columns: 1fr 1fr 1fr;
  }
  .page-news__cta {
    padding: 2rem 2.5rem;
    flex-wrap: nowrap;
  }
  .page-news__cta-icon {
    width: 56px;
    height: 56px;
  }
}

@media (min-width: 1024px) {
  .page-news {
    padding-top: 2rem;
  }
  .page-news__intro-title {
    font-size: 3.25rem;
  }
  .page-news__timeline-item {
    flex-direction: row;
    align-items: flex-start;
    gap: 1rem;
  }
  .page-news__timeline-node {
    flex-direction: column;
    align-items: center;
    min-width: 80px;
    padding-top: 0.25rem;
    gap: 0.35rem;
  }
  .page-news__timeline-label {
    writing-mode: vertical-lr;
    text-orientation: mixed;
    padding: 0.4rem 0.2rem;
    font-size: 0.75rem;
  }
  .page-news__timeline-card {
    flex: 1;
    margin-left: 1rem;
  }
  .page-news__roadmap-card--featured {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 1.5rem;
    align-items: start;
  }
  .page-news__roadmap-card--featured .page-news__roadmap-icon-wrap {
    margin-bottom: 0;
  }
  .page-news__story-card {
    flex-direction: row;
    align-items: flex-start;
  }
}