.page-news {
  --color-dark: #0a0a0a;
  --color-red: #b22222;
  --color-gold: #ffd700;
  --color-surface: #1a1a1a;
  --color-text: #ffffff;
  --color-text-secondary: #cccccc;
  --color-border: #333333;
  --color-hover-red: #ff4444;
  --gradient-red-gold: linear-gradient(135deg, #b22222, #ffd700);
  --gradient-gold-red: linear-gradient(135deg, #ffd700, #b22222);
  --color-bg-section: #111111;
  --font-heading: 'Impact', 'Arial Black', sans-serif;
  --font-body: 'Roboto Condensed', sans-serif;
  --font-cta: 'Roboto Condensed', sans-serif;
  --radius-card: 20px;
  --border-radius: 50px;
  --transition-speed: 0.3s;
  --max-width: 1200px;
  --page-gap: 2rem;
  --page-section-spacing: 3.5rem;

  display: block;
  width: 100%;
  background-color: var(--color-dark);
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ===== 容器 & 面包屑 ===== */
.page-news .container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
}

.page-news .breadcrumb-wrap {
  padding-top: 1.25rem;
  padding-bottom: 0.5rem;
}

.page-news .breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

.page-news .breadcrumb a {
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-speed);
}

.page-news .breadcrumb a:hover,
.page-news .breadcrumb a:focus-visible {
  color: var(--color-gold);
}

.page-news .separator {
  color: var(--color-border);
  font-size: 0.75rem;
}

/* ===== 杂志封面式标题区 ===== */
.page-news-masthead {
  padding: 1.5rem 0 2rem;
  position: relative;
}

.page-news-masthead::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80%;
  max-width: 400px;
  height: 3px;
  background: var(--gradient-red-gold);
  border-radius: 2px;
}

.page-news-masthead-title {
  font-family: var(--font-heading);
  font-weight: 900;
  font-style: italic;
  text-transform: uppercase;
  letter-spacing: -1px;
  color: var(--color-text);
  font-size: 2.8rem;
  line-height: 0.95;
  margin: 0 0 0.4rem;
  background: var(--gradient-red-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-news-masthead-sub {
  font-size: 1rem;
  color: var(--color-text-secondary);
  margin: 0 0 0.75rem;
  letter-spacing: 1px;
  font-weight: 400;
}

.page-news-masthead-accent {
  width: 60px;
  height: 4px;
  background: var(--color-gold);
  border-radius: 2px;
  opacity: 0.6;
}

/* ===== Section Title 统一 ===== */
.page-news .section-title {
  font-family: var(--font-heading);
  font-weight: 900;
  font-style: italic;
  text-transform: uppercase;
  letter-spacing: -1px;
  color: var(--color-text);
  font-size: 1.75rem;
  margin: 0 0 1.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--color-border);
  position: relative;
  display: inline-block;
}

.page-news .section-title::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 40%;
  height: 2px;
  background: var(--color-gold);
}

/* ===== 最新内容 ===== */
.page-news-latest {
  padding: 2.5rem 0 var(--page-section-spacing);
  background-color: var(--color-surface);
}

.page-news-featured {
  margin-bottom: 2rem;
  border-radius: var(--radius-card);
  overflow: hidden;
  background-color: var(--color-bg-section);
  border: 1px solid var(--color-border);
  transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.page-news-featured:hover,
.page-news-featured:focus-within {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(178, 34, 34, 0.25);
  border-color: var(--color-red);
}

.page-news-featured-link {
  display: block;
  text-decoration: none;
  color: inherit;
}

.page-news-featured-img-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 2 / 1;
  overflow: hidden;
  background-color: var(--color-dark);
}

.page-news-featured-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.page-news-featured:hover .page-news-featured-img {
  transform: scale(1.04);
}

.page-news-featured-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(178, 34, 34, 0.2), rgba(255, 215, 0, 0.1));
  pointer-events: none;
}

.page-news-featured-body {
  padding: 1.25rem 1.5rem 1.5rem;
}

.page-news-featured-title {
  font-family: var(--font-heading);
  font-weight: 900;
  font-style: italic;
  text-transform: uppercase;
  letter-spacing: -0.5px;
  font-size: 1.5rem;
  margin: 0.5rem 0 0.5rem;
  color: var(--color-text);
  line-height: 1.1;
}

.page-news-featured-excerpt {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  margin: 0 0 0.75rem;
  line-height: 1.5;
}

.page-news-read-more {
  display: inline-block;
  font-family: var(--font-cta);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 0.8rem;
  color: var(--color-gold);
  transition: color var(--transition-speed);
}

.page-news-featured:hover .page-news-read-more {
  color: var(--color-hover-red);
}

/* 日期徽章 */
.page-news-date-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--color-gold);
  background: rgba(255, 215, 0, 0.12);
  padding: 0.2rem 0.7rem;
  border-radius: var(--border-radius);
  border: 1px solid rgba(255, 215, 0, 0.2);
}

/* 副卡 */
.page-news-sub-grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: 1fr;
}

.page-news-sub-card {
  display: flex;
  flex-direction: column;
  border-radius: var(--radius-card);
  overflow: hidden;
  background-color: var(--color-bg-section);
  border: 1px solid var(--color-border);
  text-decoration: none;
  color: inherit;
  transition: transform var(--transition-speed), border-color var(--transition-speed);
}

.page-news-sub-card:hover,
.page-news-sub-card:focus-within {
  transform: translateY(-3px);
  border-color: var(--color-gold);
}

.page-news-sub-img-wrap {
  width: 100%;
  aspect-ratio: 2 / 1;
  overflow: hidden;
  background-color: var(--color-dark);
}

.page-news-sub-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.page-news-sub-card:hover .page-news-sub-img-wrap img {
  transform: scale(1.05);
}

.page-news-sub-body {
  padding: 1rem 1.25rem 1.25rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.page-news-sub-title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-style: italic;
  text-transform: uppercase;
  letter-spacing: -0.3px;
  font-size: 1.15rem;
  margin: 0;
  color: var(--color-text);
  line-height: 1.15;
}

.page-news-sub-excerpt {
  color: var(--color-text-secondary);
  font-size: 0.88rem;
  margin: 0;
  line-height: 1.5;
}

/* ===== 数据观察 ===== */
.page-news-insights {
  padding: var(--page-section-spacing) 0;
  background-color: var(--color-dark);
}

.page-news-insights-layout {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1fr;
}

.page-news-insight-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.page-news-insight-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1rem 1.25rem;
  background-color: var(--color-surface);
  border-radius: var(--radius-card);
  border-left: 4px solid var(--color-gold);
  transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.page-news-insight-item:hover {
  transform: translateX(4px);
  box-shadow: 0 4px 16px rgba(255, 215, 0, 0.1);
}

.page-news-insight-num {
  font-family: var(--font-heading);
  font-weight: 900;
  font-style: italic;
  font-size: 1.6rem;
  color: var(--color-red);
  line-height: 1;
  flex-shrink: 0;
  min-width: 2rem;
  opacity: 0.7;
}

.page-news-insight-content {
  flex: 1;
}

.page-news-insight-title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-style: italic;
  text-transform: uppercase;
  letter-spacing: -0.3px;
  font-size: 1.1rem;
  margin: 0 0 0.25rem;
  color: var(--color-text);
  line-height: 1.2;
}

.page-news-insight-desc {
  color: var(--color-text-secondary);
  font-size: 0.88rem;
  margin: 0 0 0.4rem;
  line-height: 1.5;
}

.page-news-insights-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.page-news-insights-img {
  width: 100%;
  height: auto;
  max-width: 600px;
  border-radius: var(--radius-card);
  border: 1px solid var(--color-border);
  background-color: var(--color-surface);
}

/* ===== 平台更新 ===== */
.page-news-updates {
  padding: var(--page-section-spacing) 0;
  background-color: var(--color-surface);
}

.page-news-timeline {
  position: relative;
  padding-left: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.page-news-timeline::before {
  content: '';
  position: absolute;
  left: 0.7rem;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-red), var(--color-gold), var(--color-red));
  border-radius: 1px;
  opacity: 0.5;
}

.page-news-timeline-item {
  position: relative;
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding-left: 1rem;
}

.page-news-timeline-item::before {
  content: '';
  position: absolute;
  left: -1.1rem;
  top: 0.55rem;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-gold);
  border: 2px solid var(--color-dark);
  box-shadow: 0 0 0 3px var(--color-red);
  z-index: 1;
}

.page-news-timeline-icon {
  flex-shrink: 0;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  overflow: hidden;
  background-color: var(--color-bg-section);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
}

.page-news-timeline-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-news-timeline-body {
  flex: 1;
  padding-top: 0.15rem;
}

.page-news-timeline-title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-style: italic;
  text-transform: uppercase;
  letter-spacing: -0.3px;
  font-size: 1.05rem;
  margin: 0 0 0.2rem;
  color: var(--color-text);
  line-height: 1.2;
}

.page-news-timeline-desc {
  color: var(--color-text-secondary);
  font-size: 0.88rem;
  margin: 0 0 0.25rem;
  line-height: 1.5;
}

.page-news-timeline-meta {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-gold);
  opacity: 0.7;
}

.page-news-updates-cta {
  margin-top: 2rem;
  text-align: center;
}

.page-news-updates .btn-primary {
  display: inline-block;
  padding: 0.7rem 2rem;
  background: var(--gradient-red-gold);
  color: var(--color-text);
  font-family: var(--font-cta);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.85rem;
  border: none;
  border-radius: var(--border-radius);
  text-decoration: none;
  transition: transform var(--transition-speed), box-shadow var(--transition-speed);
  cursor: pointer;
}

.page-news-updates .btn-primary:hover,
.page-news-updates .btn-primary:focus-visible {
  transform: scale(1.04);
  box-shadow: 0 6px 20px rgba(178, 34, 34, 0.4);
}

/* ===== 使用技巧 ===== */
.page-news-tips {
  padding: var(--page-section-spacing) 0;
  background-color: var(--color-dark);
}

.page-news-tips-layout {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1fr;
}

.page-news-tips-accordion {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.page-news-tips-item {
  border-radius: 16px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  overflow: hidden;
  transition: border-color var(--transition-speed);
}

.page-news-tips-item[open] {
  border-color: var(--color-red);
}

.page-news-tips-question {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  cursor: pointer;
  list-style: none;
  user-select: none;
  transition: background-color var(--transition-speed);
}

.page-news-tips-question::-webkit-details-marker {
  display: none;
}

.page-news-tips-item[open] .page-news-tips-question {
  background-color: rgba(178, 34, 34, 0.08);
  border-bottom: 1px solid var(--color-border);
}

.page-news-tips-q-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--gradient-red-gold);
  color: var(--color-text);
  font-family: var(--font-heading);
  font-weight: 900;
  font-style: italic;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.page-news-tips-q-text {
  flex: 1;
  font-family: var(--font-heading);
  font-weight: 700;
  font-style: italic;
  text-transform: uppercase;
  letter-spacing: -0.2px;
  font-size: 0.95rem;
  color: var(--color-text);
  line-height: 1.2;
}

.page-news-tips-toggle {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  position: relative;
  transition: transform var(--transition-speed);
}

.page-news-tips-toggle::before,
.page-news-tips-toggle::after {
  content: '';
  position: absolute;
  background: var(--color-gold);
  border-radius: 1px;
  transition: transform var(--transition-speed);
}

.page-news-tips-toggle::before {
  width: 2px;
  height: 14px;
  top: 3px;
  left: 9px;
}

.page-news-tips-toggle::after {
  width: 14px;
  height: 2px;
  top: 9px;
  left: 3px;
}

.page-news-tips-item[open] .page-news-tips-toggle {
  transform: rotate(45deg);
}

.page-news-tips-answer {
  padding: 1rem 1.25rem 1.25rem;
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
}

.page-news-tips-answer a {
  color: var(--color-gold);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--transition-speed);
}

.page-news-tips-answer a:hover {
  color: var(--color-hover-red);
}

.page-news-tips-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.page-news-tips-img {
  width: 100%;
  height: auto;
  max-width: 400px;
  border-radius: var(--radius-card);
  border: 1px solid var(--color-border);
  background-color: var(--color-surface);
}

/* ===== 响应式：平板及以上 ===== */
@media (min-width: 640px) {
  .page-news-masthead-title {
    font-size: 3.6rem;
  }

  .page-news-sub-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-news-featured-body {
    padding: 1.5rem 2rem 2rem;
  }

  .page-news-featured-title {
    font-size: 1.8rem;
  }

  .page-news-timeline {
    padding-left: 2rem;
  }

  .page-news-timeline::before {
    left: 1rem;
  }

  .page-news-timeline-item::before {
    left: -1.4rem;
    width: 12px;
    height: 12px;
  }
}

/* ===== 响应式：桌面 ===== */
@media (min-width: 1024px) {
  .page-news {
    --page-section-spacing: 4.5rem;
    --page-gap: 2.5rem;
  }

  .page-news-masthead-title {
    font-size: 4.8rem;
  }

  .page-news-masthead-sub {
    font-size: 1.1rem;
  }

  .page-news .section-title {
    font-size: 2.2rem;
    margin-bottom: 2rem;
  }

  .page-news-featured-body {
    padding: 2rem 2.5rem 2.5rem;
  }

  .page-news-featured-title {
    font-size: 2.2rem;
  }

  .page-news-featured-excerpt {
    font-size: 1.05rem;
  }

  .page-news-sub-title {
    font-size: 1.25rem;
  }

  /* 数据观察：并排布局 */
  .page-news-insights-layout {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }

  .page-news-insight-list {
    gap: 1.5rem;
  }

  .page-news-insight-item {
    padding: 1.25rem 1.5rem;
  }

  .page-news-insight-title {
    font-size: 1.2rem;
  }

  /* 使用技巧：并排 */
  .page-news-tips-layout {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }

  .page-news-tips-q-text {
    font-size: 1rem;
  }

  /* 时间轴优化 */
  .page-news-timeline {
    padding-left: 3rem;
    max-width: 700px;
    margin: 0 auto;
  }

  .page-news-timeline::before {
    left: 1.5rem;
  }

  .page-news-timeline-item::before {
    left: -2rem;
    width: 14px;
    height: 14px;
  }

  .page-news-timeline-title {
    font-size: 1.15rem;
  }

  .page-news-updates-cta {
    margin-top: 2.5rem;
  }
}

/* ===== 超大桌面 ===== */
@media (min-width: 1440px) {
  .page-news-masthead-title {
    font-size: 5.6rem;
  }

  .page-news .container {
    padding: 0 2rem;
  }

  .page-news-featured-title {
    font-size: 2.6rem;
  }
}

/* ===== 打印优化 ===== */
@media print {
  .page-news {
    background: #fff;
    color: #222;
  }

  .page-news .section-title {
    border-bottom-color: #ccc;
  }

  .page-news-featured,
  .page-news-sub-card,
  .page-news-insight-item,
  .page-news-tips-item {
    border-color: #ccc;
    box-shadow: none;
  }

  .page-news-masthead-title {
    -webkit-text-fill-color: #b22222;
    color: #b22222;
  }

  .page-news-updates .btn-primary {
    background: #b22222;
    color: #fff;
  }
}