/* ===== page-news 文章中心 ===== */
.page-news {
  --clr-accent: #FF6B35;
  --clr-accent-v: #FF8C5A;
  --clr-bg: #0A1525;
  --clr-surface: #132540;
  --clr-text: #FFFFFF;
  --clr-text-sec: #B0C4DE;
  --clr-border: #2C3E50;
  --clr-highlight: #FFD700;
  --clr-card-bg: #0F1E32;
  --clr-cream: #F5F0E8;
  --font-head: 'Inter','Helvetica',sans-serif;
  --font-body: 'Noto Sans SC','Source Han Sans',sans-serif;
  --font-mono: 'JetBrains Mono','Fira Code',monospace;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 32px;
  --radius-xl: 48px;
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 48px;
  --space-2xl: 72px;
  --max-width: 1280px;
  --header-h: 72px;
  --transition: 0.35s cubic-bezier(0.25,0.46,0.45,0.94);

  display: block;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: calc(var(--header-h) + var(--space-lg)) var(--space-lg) var(--space-2xl);
  font-family: var(--font-body);
  color: var(--clr-text);
  background: var(--clr-bg);
  line-height: 1.6;
}

/* === 面包屑 === */
.page-news .breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) 0 var(--space-lg);
  font-size: 0.85rem;
  font-family: var(--font-mono);
  color: var(--clr-text-sec);
  letter-spacing: 0.03em;
}
.page-news .breadcrumb-link {
  color: var(--clr-accent);
  text-decoration: none;
  transition: color var(--transition);
}
.page-news .breadcrumb-link:hover,
.page-news .breadcrumb-link:focus-visible {
  color: var(--clr-accent-v);
  text-decoration: underline;
}
.page-news .breadcrumb-sep {
  color: var(--clr-border);
  font-size: 0.75rem;
}
.page-news .breadcrumb-current {
  color: var(--clr-text-sec);
  opacity: 0.85;
}

/* === 首屏 === */
.page-news .page-hero {
  padding: var(--space-xl) 0 var(--space-2xl);
  border-bottom: 1px solid var(--clr-border);
  margin-bottom: var(--space-2xl);
  position: relative;
}
.page-news .hero-mono {
  font-family: var(--font-mono);
  font-size: clamp(0.65rem, 1.2vw, 0.9rem);
  letter-spacing: 0.45em;
  color: var(--clr-accent);
  margin-bottom: var(--space-md);
  opacity: 0.8;
}
.page-news .hero-title {
  font-family: var(--font-head);
  font-size: clamp(2rem, 5vw, 3.6rem);
  font-weight: 700;
  line-height: 1.1;
  margin: 0 0 var(--space-md);
  color: var(--clr-text);
  letter-spacing: -0.02em;
}
.page-news .hero-summary {
  font-size: clamp(0.95rem, 1.4vw, 1.15rem);
  color: var(--clr-text-sec);
  max-width: 680px;
  margin: 0;
  line-height: 1.7;
}

/* === 面板标签 & 标题 === */
.page-news .section-panel {
  padding: var(--space-2xl) 0;
  position: relative;
}
.page-news .panel-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--clr-accent);
  background: rgba(255,107,53,0.08);
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-xl);
  margin-bottom: var(--space-md);
  border: 1px solid rgba(255,107,53,0.15);
}
.page-news .panel-label .mono {
  font-weight: 600;
}
.page-news .section-title {
  font-family: var(--font-head);
  font-size: clamp(1.5rem, 3.2vw, 2.2rem);
  font-weight: 700;
  margin: 0 0 var(--space-sm);
  color: var(--clr-text);
  letter-spacing: -0.01em;
}
.page-news .section-desc {
  color: var(--clr-text-sec);
  font-size: 0.95rem;
  margin: 0 0 var(--space-xl);
  max-width: 560px;
  line-height: 1.6;
}

/* === 最新动态 - 横向时间轴 === */
.page-news .timeline-scroll {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}
@media (min-width: 768px) {
  .page-news .timeline-scroll {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
  }
}
.page-news .timeline-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  position: relative;
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.page-news .timeline-item.revealed {
  opacity: 1;
  transform: translateY(0);
}
.page-news .timeline-marker {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--clr-accent);
  padding: var(--space-xs) 0;
  border-bottom: 2px solid var(--clr-accent);
  align-self: flex-start;
}
.page-news .timeline-unit {
  font-size: 0.7rem;
  font-weight: 400;
  color: var(--clr-text-sec);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.page-news .timeline-card {
  background: var(--clr-card-bg);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--clr-border);
  transition: border-color var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
}
.page-news .timeline-card:hover {
  border-color: var(--clr-accent);
  box-shadow: 0 4px 24px rgba(255,107,53,0.08);
}
.page-news .timeline-card--highlight {
  border-color: var(--clr-accent);
  border-width: 1.5px;
  background: linear-gradient(135deg, rgba(255,107,53,0.06), transparent);
}
.page-news .timeline-img {
  width: 100%;
  height: auto;
  max-height: 220px;
  object-fit: cover;
  display: block;
  aspect-ratio: 800 / 500;
}
.page-news .timeline-body {
  padding: var(--space-md) var(--space-lg) var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  flex: 1;
}
.page-news .timeline-label {
  align-self: flex-start;
  font-size: 0.7rem;
  letter-spacing: 0.04em;
}
.page-news .timeline-title {
  font-family: var(--font-head);
  font-size: 1.15rem;
  font-weight: 600;
  margin: 0;
  color: var(--clr-text);
  line-height: 1.35;
}
.page-news .timeline-text {
  font-size: 0.9rem;
  color: var(--clr-text-sec);
  margin: 0;
  line-height: 1.65;
  flex: 1;
}
.page-news .accent-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--clr-bg);
  background: var(--clr-accent);
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-xl);
  text-decoration: none;
  letter-spacing: 0.03em;
  transition: background var(--transition), transform var(--transition);
  align-self: flex-start;
  margin-top: var(--space-sm);
  white-space: nowrap;
}
.page-news .accent-badge:hover,
.page-news .accent-badge:focus-visible {
  background: var(--clr-accent-v);
  transform: translateY(-1px);
}

/* === 数据解读区 === */
.page-news .panel-alt {
  background: rgba(19,37,64,0.3);
  border-radius: var(--radius-lg);
  padding: var(--space-xl) var(--space-lg);
  margin: var(--space-xl) 0;
  border: 1px solid var(--clr-border);
}
@media (min-width: 768px) {
  .page-news .panel-alt {
    padding: var(--space-2xl) var(--space-xl);
  }
}

/* 筛选栏 */
.page-news .filter-bar {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
  flex-wrap: wrap;
}
.page-news .filter-btn {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-xl);
  border: 1px solid var(--clr-border);
  background: transparent;
  color: var(--clr-text-sec);
  cursor: default;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
  letter-spacing: 0.04em;
}
.page-news .filter-btn.is-active {
  background: var(--clr-accent);
  color: var(--clr-bg);
  border-color: var(--clr-accent);
  font-weight: 600;
}
.page-news .filter-btn:not(.is-active) {
  opacity: 0.7;
}

/* 洞察卡片网格 */
.page-news .insight-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}
@media (min-width: 768px) {
  .page-news .insight-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
  }
}
.page-news .data-card {
  background: var(--clr-card-bg);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--clr-border);
  display: flex;
  flex-direction: column;
  transition: border-color var(--transition), box-shadow var(--transition);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease, border-color var(--transition), box-shadow var(--transition);
}
.page-news .data-card.revealed {
  opacity: 1;
  transform: translateY(0);
}
.page-news .data-card:hover {
  border-color: var(--clr-accent);
  box-shadow: 0 4px 28px rgba(255,107,53,0.07);
}
.page-news .card-img-wrap {
  width: 100%;
  overflow: hidden;
  max-height: 240px;
}
.page-news .card-img {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 600 / 400;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.page-news .data-card:hover .card-img {
  transform: scale(1.02);
}
.page-news .card-body {
  padding: var(--space-md) var(--space-lg) var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  flex: 1;
}
.page-news .card-badge-wrap {
  margin-bottom: var(--space-xs);
}
.page-news .card-badge-wrap .accent-badge {
  background: rgba(255,107,53,0.15);
  color: var(--clr-accent);
  padding: 2px 12px;
  font-size: 0.65rem;
  border: 1px solid rgba(255,107,53,0.2);
  align-self: flex-start;
  margin: 0;
}
.page-news .card-title {
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 600;
  margin: 0;
  color: var(--clr-text);
  line-height: 1.35;
}
.page-news .card-desc {
  font-size: 0.9rem;
  color: var(--clr-text-sec);
  margin: 0;
  line-height: 1.65;
  flex: 1;
}
.page-news .card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  padding-top: var(--space-sm);
  border-top: 1px solid rgba(44,62,80,0.4);
  margin-top: var(--space-sm);
  font-size: 0.7rem;
  flex-wrap: wrap;
}
.page-news .card-meta .mono {
  font-family: var(--font-mono);
  color: var(--clr-text-sec);
  opacity: 0.7;
  letter-spacing: 0.03em;
}
.page-news .card-link-wrap {
  font-family: var(--font-mono);
}
.page-news .card-link {
  color: var(--clr-accent);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition);
}
.page-news .card-link:hover,
.page-news .card-link:focus-visible {
  color: var(--clr-accent-v);
  text-decoration: underline;
}

/* === 使用技巧 - 横向步骤 === */
.page-news .tips-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
  margin-top: var(--space-lg);
}
@media (min-width: 768px) {
  .page-news .tips-steps {
    grid-template-columns: 1fr 1fr 1fr;
    gap: var(--space-xl);
  }
}
.page-news .step-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.page-news .step-item.revealed {
  opacity: 1;
  transform: translateY(0);
}
.page-news .step-visual {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
}
.page-news .step-number {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  color: var(--clr-accent);
  line-height: 1;
  min-width: 48px;
  opacity: 0.6;
}
.page-news .step-img {
  width: 100%;
  max-width: 160px;
  height: auto;
  border-radius: var(--radius-sm);
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border: 1px solid var(--clr-border);
}
@media (min-width: 768px) {
  .page-news .step-img {
    max-width: 200px;
  }
}
.page-news .step-icon-box {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,107,53,0.06);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255,107,53,0.12);
  flex-shrink: 0;
}
.page-news .step-icon-box svg {
  display: block;
}
.page-news .step-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  flex: 1;
}
.page-news .step-title {
  font-family: var(--font-head);
  font-size: 1.05rem;
  font-weight: 600;
  margin: 0;
  color: var(--clr-text);
  line-height: 1.3;
}
.page-news .step-text {
  font-size: 0.9rem;
  color: var(--clr-text-sec);
  margin: 0;
  line-height: 1.65;
}
.page-news .step-body .accent-badge {
  margin-top: var(--space-sm);
}

/* === 信任声明横幅 === */
.page-news .trust-banner {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  margin-top: var(--space-2xl);
  background: rgba(255,107,53,0.04);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255,107,53,0.08);
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.page-news .trust-banner.revealed {
  opacity: 1;
  transform: translateY(0);
}
.page-news .trust-icon {
  font-size: 1.3rem;
  color: var(--clr-accent);
  flex-shrink: 0;
}
.page-news .trust-text {
  font-size: 0.78rem;
  color: var(--clr-text-sec);
  margin: 0;
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
  opacity: 0.8;
  line-height: 1.5;
}

/* === 通用滚动显现（配合 data-reveal） === */
.page-news [data-reveal].revealed {
  opacity: 1 !important;
  transform: translateY(0) !important;
}
@media (prefers-reduced-motion: reduce) {
  .page-news [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
  .page-news .timeline-card:hover .card-img {
    transform: none;
  }
}

/* === 移动端微调 === */
@media (max-width: 767px) {
  .page-news {
    padding: calc(var(--header-h) + var(--space-md)) var(--space-md) var(--space-xl);
  }
  .page-news .page-hero {
    padding: var(--space-lg) 0 var(--space-xl);
    margin-bottom: var(--space-xl);
  }
  .page-news .hero-title {
    font-size: 1.8rem;
  }
  .page-news .section-panel {
    padding: var(--space-xl) 0;
  }
  .page-news .panel-alt {
    padding: var(--space-lg) var(--space-md);
    margin: var(--space-lg) 0;
  }
  .page-news .timeline-img {
    max-height: 160px;
  }
  .page-news .timeline-body {
    padding: var(--space-md);
  }
  .page-news .card-body {
    padding: var(--space-md);
  }
  .page-news .step-img {
    max-width: 120px;
  }
  .page-news .step-number {
    font-size: 1.6rem;
    min-width: 36px;
  }
  .page-news .trust-banner {
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-md);
  }
  .page-news .breadcrumb {
    font-size: 0.75rem;
    padding: var(--space-sm) 0 var(--space-md);
  }
}

/* === 桌面大屏优化 === */
@media (min-width: 1024px) {
  .page-news .timeline-scroll {
    gap: var(--space-xl);
  }
  .page-news .insight-grid {
    gap: var(--space-xl);
  }
  .page-news .tips-steps {
    gap: var(--space-2xl);
  }
}

/* === 高对比度 & 焦点 === */
.page-news a:focus-visible,
.page-news button:focus-visible {
  outline: 2px solid var(--clr-accent);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}
.page-news .filter-btn:focus-visible {
  outline-offset: 1px;
}