/* ===== 页面专属：最新动态 page-news ===== */
.page-news {
  --news-gold: var(--gold);
  --news-red: var(--red);
  --news-dark: var(--deep-blue);
  --news-light: var(--light-bg);
  --news-border: var(--border);
  --news-font-heading: var(--font-heading);
  --news-font-body: var(--font-body);
  --news-font-data: var(--font-data);
  --news-pad: var(--panel-pad);
  --news-max: var(--content-max);
  --news-radius: 0;
  --news-transition: 0.25s cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---- 标题区 ---- */
.page-news .breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--news-font-body);
  font-size: 0.85rem;
  color: var(--news-dark);
  margin-bottom: 1rem;
}
.page-news .breadcrumb a {
  color: var(--news-red);
  text-decoration: none;
  font-weight: 600;
}
.page-news .breadcrumb a:hover {
  text-decoration: underline;
}
.page-news .breadcrumb .sep {
  color: var(--news-border);
  font-weight: 300;
}
.page-news .breadcrumb [aria-current="page"] {
  color: var(--news-dark);
  font-weight: 600;
}
.page-news h1 {
  font-family: var(--news-font-heading);
  font-size: clamp(2.2rem, 6vw, 4rem);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--news-dark);
  margin: 0 0 0.5rem;
  line-height: 1;
}
.page-news .page-desc {
  font-family: var(--news-font-body);
  font-size: 1.05rem;
  color: var(--news-dark);
  max-width: 720px;
  line-height: 1.5;
  opacity: 0.85;
}

/* ---- 筛选标签 ---- */
.page-news .filter-bar {
  display: flex;
  gap: 0.25rem;
  padding: 1rem var(--news-pad);
  background: var(--news-light);
  border-bottom: 2px solid var(--news-border);
  flex-wrap: wrap;
  position: sticky;
  top: var(--nav-height);
  z-index: 20;
}
.page-news .filter-tab {
  font-family: var(--news-font-heading);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.6rem 1.4rem;
  border: 2px solid var(--news-dark);
  background: transparent;
  color: var(--news-dark);
  cursor: pointer;
  transition: background var(--news-transition), color var(--news-transition), border-color var(--news-transition);
  -webkit-appearance: none;
  appearance: none;
  border-radius: 0;
}
.page-news .filter-tab:hover,
.page-news .filter-tab:focus-visible {
  background: var(--news-dark);
  color: #fff;
  outline: none;
}
.page-news .filter-tab.active {
  background: var(--news-red);
  color: #fff;
  border-color: var(--news-red);
}

/* ---- 两栏布局 ---- */
.page-news .content-split {
  display: flex;
  flex-direction: column;
  max-width: var(--news-max);
  margin: 0 auto;
  padding: 0 var(--news-pad);
}

/* ---- 左栏索引 ---- */
.page-news .index-rail {
  display: none;
}
.page-news .index-rail nav {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.page-news .index-item {
  font-family: var(--news-font-heading);
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--news-dark);
  text-decoration: none;
  padding: 0.75rem 1rem;
  border-left: 4px solid transparent;
  transition: border-color var(--news-transition), background var(--news-transition);
  background: transparent;
}
.page-news .index-item:hover,
.page-news .index-item:focus-visible {
  border-left-color: var(--news-red);
  background: rgba(230, 57, 70, 0.06);
  outline: none;
}

/* ---- 右栏内容 ---- */
.page-news .content-main {
  flex: 1;
  min-width: 0;
}

/* ---- 面板通用 ---- */
.page-news .section-panel {
  padding: var(--news-pad) 0;
}
.page-news .panel-inner {
  max-width: var(--news-max);
  margin: 0 auto;
  padding: 0 var(--news-pad);
}
.page-news .panel-dark {
  background: var(--news-dark);
  color: #fff;
}
.page-news .panel-dark .section-title {
  color: #fff;
}
.page-news .panel-dark .breadcrumb a {
  color: var(--news-gold);
}
.page-news .panel-light {
  background: var(--news-light);
  color: var(--news-dark);
}
.page-news .section-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}
.page-news .section-title {
  font-family: var(--news-font-heading);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin: 0;
  line-height: 1.1;
}
.page-news .tag-label {
  font-family: var(--news-font-heading);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  padding: 0.3rem 0.8rem;
  border: 2px solid;
  display: inline-block;
}
.page-news .tag-label.red {
  border-color: var(--news-red);
  color: var(--news-red);
}
.page-news .tag-label.gold {
  border-color: var(--news-gold);
  color: var(--news-gold);
}
.page-news .panel-dark .tag-label.red {
  color: #fff;
  border-color: var(--news-red);
  background: var(--news-red);
}
.page-news .panel-dark .tag-label.gold {
  color: var(--news-dark);
  border-color: var(--news-gold);
  background: var(--news-gold);
}

/* ---- 近期更新：时间轴 ---- */
.page-news .timeline-hero {
  margin: 0 0 2.5rem;
  border: 2px solid var(--news-border);
}
.page-news .hero-img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}
.page-news .timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
}
.page-news .timeline::before {
  content: "";
  position: absolute;
  left: 1.45rem;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--news-border);
  opacity: 0.5;
}
.page-news .timeline-item {
  display: flex;
  gap: 1.2rem;
  position: relative;
  padding-bottom: 1.8rem;
}
.page-news .timeline-item:last-child {
  padding-bottom: 0;
}
.page-news .tl-marker {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-shrink: 0;
  width: 3rem;
  position: relative;
  z-index: 2;
}
.page-news .tl-dot {
  display: block;
  width: 14px;
  height: 14px;
  border-radius: 0;
  background: var(--news-red);
  border: 2px solid var(--news-dark);
  box-shadow: 0 0 0 3px var(--news-red);
  flex-shrink: 0;
}
.page-news .panel-dark .tl-dot {
  border-color: var(--news-dark);
}
.page-news .tl-label {
  font-family: var(--news-font-heading);
  font-size: 0.55rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--news-gold);
  margin-top: 0.3rem;
  writing-mode: vertical-lr;
  text-orientation: mixed;
  line-height: 1.2;
}
.page-news .panel-dark .tl-label {
  color: var(--news-gold);
}
.page-news .tl-content {
  flex: 1;
  min-width: 0;
}
.page-news details {
  border: 2px solid var(--news-border);
  padding: 0.6rem 1rem;
  background: rgba(255, 255, 255, 0.05);
  transition: background var(--news-transition);
}
.page-news details[open] {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--news-red);
}
.page-news .tl-title {
  font-family: var(--news-font-heading);
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  cursor: pointer;
  user-select: none;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}
.page-news .tl-title::-webkit-details-marker {
  display: none;
}
.page-news .tl-title::after {
  content: "+";
  font-family: var(--news-font-heading);
  font-size: 1.4rem;
  color: var(--news-red);
  transition: transform var(--news-transition);
  flex-shrink: 0;
}
.page-news details[open] .tl-title::after {
  content: "−";
}
.page-news .tl-detail {
  margin-top: 0.8rem;
  padding-top: 0.8rem;
  border-top: 1px solid var(--news-border);
  font-family: var(--news-font-body);
  font-size: 0.95rem;
  line-height: 1.6;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}
.page-news .tl-detail p {
  margin: 0;
}
.page-news .inline-icon {
  margin: 0.5rem 0;
  max-width: 100px;
  border: 1px solid var(--news-border);
}
.page-news .inline-icon img {
  display: block;
  width: 100%;
  height: auto;
}
.page-news .btn-compact {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--news-font-heading);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--news-red);
  text-decoration: none;
  border: 2px solid var(--news-red);
  padding: 0.4rem 1rem;
  transition: background var(--news-transition), color var(--news-transition);
  align-self: flex-start;
}
.page-news .btn-compact:hover,
.page-news .btn-compact:focus-visible {
  background: var(--news-red);
  color: #fff;
  outline: none;
}
.page-news .panel-dark .btn-compact {
  color: #fff;
  border-color: var(--news-gold);
}
.page-news .panel-dark .btn-compact:hover,
.page-news .panel-dark .btn-compact:focus-visible {
  background: var(--news-gold);
  color: var(--news-dark);
}

/* ---- 数据洞察 ---- */
.page-news .insight-grid {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}
.page-news .chart-card {
  margin: 0;
  border: 2px solid var(--news-border);
  background: #fff;
}
.page-news .chart-img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}
.page-news .chart-caption {
  font-family: var(--news-font-body);
  font-size: 0.8rem;
  color: var(--news-dark);
  padding: 0.6rem 1rem;
  border-top: 1px solid var(--news-border);
  opacity: 0.7;
}
.page-news .insight-text {
  font-family: var(--news-font-body);
  font-size: 1rem;
  line-height: 1.6;
}
.page-news .insight-text p {
  margin: 0 0 1rem;
}
.page-news .insight-list {
  list-style: none;
  padding: 0;
  margin: 1rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.page-news .insight-list li {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-weight: 600;
}
.page-news .stat-badge {
  font-family: var(--news-font-data);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--news-red);
  background: rgba(230, 57, 70, 0.1);
  padding: 0.2rem 0.6rem;
  border-left: 3px solid var(--news-red);
}
.page-news .insight-footnote {
  font-size: 0.8rem;
  opacity: 0.6;
  font-style: italic;
}

/* ---- 条形图（悬停交互） ---- */
.page-news .chart-bars {
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding: 1.5rem;
  background: rgba(255, 255, 255, 0.08);
  border: 2px solid var(--news-border);
}
.page-news .panel-light .chart-bars {
  background: #fff;
  border-color: var(--news-border);
}
.page-news .bar-row {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-family: var(--news-font-body);
  font-size: 0.85rem;
  position: relative;
  cursor: default;
}
.page-news .bar-label {
  width: 6rem;
  flex-shrink: 0;
  font-weight: 600;
  color: var(--news-dark);
}
.page-news .panel-dark .bar-label {
  color: #fff;
}
.page-news .bar-track {
  flex: 1;
  height: 1.2rem;
  background: rgba(69, 123, 157, 0.2);
  position: relative;
  min-width: 60px;
}
.page-news .bar-fill {
  display: block;
  height: 100%;
  background: var(--news-red);
  transition: width 0.4s ease;
}
.page-news .panel-dark .bar-fill {
  background: var(--news-gold);
}
.page-news .bar-value {
  font-family: var(--news-font-data);
  font-size: 1rem;
  font-weight: 700;
  width: 3rem;
  text-align: right;
  color: var(--news-dark);
}
.page-news .panel-dark .bar-value {
  color: var(--news-gold);
}
/* 悬停显示数值增强 */
.page-news .bar-row:hover .bar-value,
.page-news .bar-row:focus-within .bar-value {
  color: var(--news-red);
  transform: scale(1.15);
  transition: transform var(--news-transition), color var(--news-transition);
}

/* ---- 使用指南 ---- */
.page-news .guide-grid {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}
.page-news .guide-card {
  margin: 0;
  border: 2px solid var(--news-border);
  background: rgba(255, 255, 255, 0.05);
}
.page-news .guide-img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}
.page-news .guide-caption {
  font-family: var(--news-font-body);
  font-size: 0.8rem;
  color: var(--news-gold);
  padding: 0.6rem 1rem;
  border-top: 1px solid var(--news-border);
  opacity: 0.8;
}
.page-news .guide-steps {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.page-news .guide-step {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}
.page-news .step-num {
  font-family: var(--news-font-heading);
  font-size: 1.8rem;
  color: var(--news-red);
  line-height: 1;
  flex-shrink: 0;
  width: 2.2rem;
  text-align: center;
}
.page-news .panel-dark .step-num {
  color: var(--news-gold);
}
.page-news .step-title {
  font-family: var(--news-font-heading);
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin: 0 0 0.3rem;
}
.page-news .step-title {
  color: #fff;
}
.page-news .guide-step p {
  font-family: var(--news-font-body);
  font-size: 0.9rem;
  line-height: 1.5;
  margin: 0;
  opacity: 0.85;
}

/* ---- 相关链接 ---- */
.page-news .related-links {
  border-top: 2px solid var(--news-border);
}
.page-news .section-sub {
  font-family: var(--news-font-heading);
  font-size: 1.3rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--news-dark);
  margin: 0 0 1.5rem;
}
.page-news .link-grid {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.page-news .link-card {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.8rem 1rem;
  border: 2px solid var(--news-border);
  text-decoration: none;
  font-family: var(--news-font-body);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--news-dark);
  transition: border-color var(--news-transition), background var(--news-transition);
}
.page-news .link-card:hover,
.page-news .link-card:focus-visible {
  border-color: var(--news-red);
  background: rgba(230, 57, 70, 0.06);
  outline: none;
}
.page-news .link-icon {
  font-family: var(--news-font-heading);
  font-size: 1.2rem;
  color: var(--news-red);
  transition: transform var(--news-transition);
}
.page-news .link-card:hover .link-icon {
  transform: translateX(4px);
}

/* ---- 移动端适配（默认即为移动优先） ---- */
@media (max-width: 767px) {
  .page-news .filter-bar {
    padding: 0.6rem 1rem;
    gap: 0.2rem;
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
  }
  .page-news .filter-tab {
    font-size: 0.7rem;
    padding: 0.4rem 0.9rem;
    white-space: nowrap;
    flex-shrink: 0;
  }
  .page-news .index-rail {
    display: none !important;
  }
  .page-news .content-split {
    padding: 0;
  }
  .page-news .section-panel {
    padding: 2rem 0;
  }
  .page-news .panel-inner {
    padding: 0 1rem;
  }
  .page-news .timeline::before {
    left: 1rem;
  }
  .page-news .tl-marker {
    width: 2.2rem;
  }
  .page-news .tl-dot {
    width: 10px;
    height: 10px;
  }
  .page-news .tl-label {
    font-size: 0.45rem;
  }
  .page-news .tl-title {
    font-size: 0.95rem;
  }
  .page-news .chart-bars {
    padding: 1rem;
  }
  .page-news .bar-label {
    width: 4rem;
    font-size: 0.75rem;
  }
  .page-news .bar-value {
    font-size: 0.85rem;
    width: 2.5rem;
  }
  .page-news .guide-grid {
    gap: 1.5rem;
  }
  .page-news .step-num {
    font-size: 1.4rem;
    width: 1.8rem;
  }
  .page-news .link-grid {
    gap: 0.4rem;
  }
}

/* ---- 桌面端（768px 起） ---- */
@media (min-width: 768px) {
  .page-news .content-split {
    flex-direction: row;
    gap: 2.5rem;
    padding: 0 var(--news-pad);
  }
  .page-news .index-rail {
    display: block;
    width: 220px;
    flex-shrink: 0;
    position: sticky;
    top: calc(var(--nav-height) + 3.5rem);
    align-self: flex-start;
    max-height: calc(100vh - var(--nav-height) - 5rem);
    overflow-y: auto;
    padding-top: 2rem;
  }
  .page-news .content-main {
    flex: 1;
    min-width: 0;
  }
  .page-news .insight-grid {
    flex-direction: row;
    align-items: flex-start;
  }
  .page-news .chart-card {
    flex: 0 0 55%;
    max-width: 600px;
  }
  .page-news .insight-text {
    flex: 1;
  }
  .page-news .guide-grid {
    flex-direction: row;
    align-items: flex-start;
  }
  .page-news .guide-card {
    flex: 0 0 45%;
    max-width: 480px;
  }
  .page-news .guide-steps {
    flex: 1;
  }
  .page-news .link-grid {
    flex-direction: row;
    flex-wrap: wrap;
  }
  .page-news .link-card {
    flex: 1;
    min-width: 200px;
  }
  .page-news .chart-bars {
    padding: 1.5rem 2rem;
  }
}

/* ---- 宽屏微调 ---- */
@media (min-width: 1200px) {
  .page-news .content-split {
    gap: 3.5rem;
  }
  .page-news .index-rail {
    width: 250px;
  }
  .page-news .index-item {
    font-size: 1.05rem;
    padding: 0.85rem 1.2rem;
  }
  .page-news .insight-grid {
    gap: 3rem;
  }
  .page-news .guide-grid {
    gap: 3rem;
  }
}

/* ---- 打印 ---- */
@media print {
  .page-news .filter-bar,
  .page-news .index-rail {
    display: none !important;
  }
  .page-news .content-split {
    display: block;
  }
  .page-news .section-panel {
    break-inside: avoid;
    padding: 1rem 0;
  }
}