/* ===== 页面专属样式：.page-news ===== */
.page-news {
  --news-accent: #FF6B35;
  --news-silver: #C0C0C0;
  --news-dark: #0B1D3A;
  --news-warm: #F5F0E1;
  --news-card-bg: #0F2642;
  --news-timeline-width: 4px;
  --news-dot-size: 18px;
  --news-card-radius: 6px;
  --news-transition: 0.3s ease;

  display: flex;
  flex-direction: column;
  gap: 0;
  background-color: var(--news-dark);
  color: #e8e8e8;
  font-family: var(--font-body, 'Merriweather', 'Noto Serif SC', serif);
  line-height: var(--line-height-body, 1.6);
  overflow-x: hidden;
}

/* ----- 顶部横幅 ----- */
.page-news__hero {
  position: relative;
  width: 100%;
  min-height: 280px;
  display: flex;
  align-items: flex-end;
  padding: var(--spacing-lg, 2rem) 0 var(--spacing-md, 1.2rem);
  overflow: hidden;
  background-color: var(--news-dark);
}

.page-news__hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.page-news__hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
  opacity: 0.3;
  display: block;
}

.page-news__hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(135deg, rgba(11,29,58,0.92) 0%, rgba(11,29,58,0.6) 60%, rgba(11,29,58,0.3) 100%);
}

.page-news__hero-content {
  position: relative;
  z-index: 2;
  width: 100%;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs, 0.35rem);
  font-size: var(--font-size-small, 0.85rem);
  font-family: var(--font-index, 'Courier New', monospace);
  color: var(--news-silver);
  margin-bottom: var(--spacing-sm, 0.65rem);
}

.breadcrumb-link {
  color: var(--news-accent);
  text-decoration: none;
  transition: color var(--news-transition);
}

.breadcrumb-link:hover,
.breadcrumb-link:focus-visible {
  color: #ff8a5c;
  outline: var(--focus-outline, 2px solid #1E90FF);
  outline-offset: var(--focus-offset, 3px);
}

.breadcrumb-sep {
  color: var(--news-silver);
  margin: 0 0.15rem;
}

.breadcrumb-current {
  color: #fff;
  font-weight: 500;
}

.page-news__hero-title {
  font-family: var(--font-heading, 'Oswald', 'Arial Black', sans-serif);
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  line-height: var(--line-height-heading, 1.15);
  color: #fff;
  margin: 0 0 var(--spacing-xs, 0.35rem);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  text-shadow: 0 2px 12px rgba(0,0,0,0.5);
}

.page-news__hero-desc {
  font-size: var(--font-size-body, 1rem);
  color: var(--news-silver);
  margin: 0 0 var(--spacing-sm, 0.65rem);
  max-width: 600px;
  font-family: var(--font-body, serif);
}

.page-news__hero-meta {
  display: flex;
  gap: var(--spacing-md, 1.2rem);
  align-items: center;
  flex-wrap: wrap;
}

/* 速度线装饰 */
.speed-line {
  position: absolute;
  z-index: 1;
  pointer-events: none;
  opacity: 0.12;
}

.speed-line--tl {
  top: -20%;
  left: -5%;
  width: 300px;
  height: 200px;
  background: linear-gradient(135deg, transparent 40%, var(--news-accent) 40%, transparent 42%);
  transform: rotate(-25deg);
}

.speed-line--br {
  bottom: -15%;
  right: -8%;
  width: 400px;
  height: 250px;
  background: linear-gradient(135deg, transparent 45%, #fff 45%, transparent 47%);
  transform: rotate(15deg);
}

.speed-line--bl {
  bottom: 5%;
  left: -10%;
  width: 350px;
  height: 180px;
  background: linear-gradient(135deg, transparent 35%, var(--news-accent) 35%, transparent 37%);
  transform: rotate(-40deg);
  opacity: 0.08;
}

/* ----- 通用章节 ----- */
.page-news__section {
  padding: var(--spacing-xl, 3.5rem) 0;
  position: relative;
}

.section-title {
  font-family: var(--font-heading, sans-serif);
  font-size: var(--font-size-h2, 2rem);
  color: #fff;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm, 0.65rem);
  margin: 0 0 var(--spacing-lg, 2rem);
  flex-wrap: wrap;
}

.section-title__index {
  font-size: var(--font-size-h3, 1.4rem);
  letter-spacing: 0.05em;
}

.section-title__line {
  flex: 1;
  min-width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--news-accent), transparent);
  margin-left: var(--spacing-sm, 0.65rem);
}

/* ----- 筛选栏 ----- */
.page-news__filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm, 0.65rem);
  margin-bottom: var(--spacing-lg, 2rem);
  padding-bottom: var(--spacing-sm, 0.65rem);
  border-bottom: 1px solid rgba(192,192,192,0.15);
}

.page-news__filter-btn {
  font-family: var(--font-index, monospace);
  font-size: var(--font-size-index, 0.8rem);
  color: var(--news-silver);
  background: transparent;
  border: 1px solid rgba(192,192,192,0.25);
  padding: var(--spacing-xs, 0.35rem) var(--spacing-md, 1.2rem);
  cursor: pointer;
  transition: all var(--news-transition);
  border-radius: var(--border-radius, 4px);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.page-news__filter-btn:hover,
.page-news__filter-btn:focus-visible {
  border-color: var(--news-accent);
  color: var(--news-accent);
  outline: var(--focus-outline, 2px solid #1E90FF);
  outline-offset: 2px;
}

.page-news__filter-btn.is-active {
  background: var(--news-accent);
  color: #fff;
  border-color: var(--news-accent);
}

/* ----- 时间轴容器 ----- */
.page-news__timeline {
  position: relative;
  padding-left: 30px;
}

.page-news__timeline-line {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 13px;
  width: var(--news-timeline-width);
  background: linear-gradient(180deg, var(--news-accent) 0%, rgba(255,107,53,0.1) 100%);
  border-radius: 4px;
  z-index: 0;
}

/* ----- 战报卡片（时间轴项） ----- */
.page-news__card {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md, 1.2rem);
  margin-bottom: var(--spacing-xl, 3rem);
  z-index: 1;
}

.page-news__card:last-child {
  margin-bottom: 0;
}

.page-news__card-dot {
  position: absolute;
  left: -30px;
  top: 20px;
  width: var(--news-dot-size);
  height: var(--news-dot-size);
  border-radius: 50%;
  background: var(--news-dark);
  border: 3px solid var(--news-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  z-index: 2;
}

.page-news__card-dot-inner {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--news-accent);
  display: block;
}

.page-news__card-body {
  flex: 1;
  background: var(--news-card-bg);
  border-radius: var(--news-card-radius);
  padding: var(--spacing-md, 1.2rem);
  border: 1px solid rgba(255,107,53,0.12);
  transition: all var(--news-transition);
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 0 100%);
}

.page-news__card-body:hover {
  border-color: rgba(255,107,53,0.35);
  box-shadow: 0 4px 24px rgba(255,107,53,0.08);
  transform: translateY(-2px);
}

.page-news__card-img-wrap {
  width: 100%;
  max-height: 180px;
  overflow: hidden;
  border-radius: calc(var(--news-card-radius) - 2px);
  margin-bottom: var(--spacing-sm, 0.65rem);
  background: rgba(0,0,0,0.3);
}

.page-news__card-img {
  width: 100%;
  height: auto;
  max-height: 180px;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.page-news__card-body:hover .page-news__card-img {
  transform: scale(1.03);
}

.page-news__card-text {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs, 0.35rem);
}

.page-news__card-meta {
  display: flex;
  gap: var(--spacing-sm, 0.65rem);
  flex-wrap: wrap;
  align-items: center;
}

.page-news__card-title {
  font-family: var(--font-heading, sans-serif);
  font-size: var(--font-size-h3, 1.3rem);
  color: #fff;
  margin: var(--spacing-xs, 0.35rem) 0;
  line-height: var(--line-height-heading, 1.15);
}

.page-news__card-summary {
  font-size: var(--font-size-body, 0.95rem);
  color: #c8c8c8;
  margin: 0;
  line-height: var(--line-height-body, 1.6);
}

/* 展开全文 */
.page-news__card-details {
  margin-top: var(--spacing-sm, 0.65rem);
  font-size: var(--font-size-body, 0.95rem);
  color: #b0b0b0;
}

.page-news__card-summary-btn {
  font-family: var(--font-index, monospace);
  font-size: var(--font-size-index, 0.8rem);
  color: var(--news-accent);
  cursor: pointer;
  padding: var(--spacing-xs, 0.35rem) 0;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: color var(--news-transition);
  list-style: none;
}

.page-news__card-summary-btn::-webkit-details-marker {
  display: none;
}

.page-news__card-summary-btn::before {
  content: '+';
  font-size: 1.1rem;
  font-weight: 700;
  transition: transform var(--news-transition);
  display: inline-block;
}

details[open] .page-news__card-summary-btn::before {
  content: '−';
  transform: rotate(0deg);
}

.page-news__card-summary-btn:hover {
  color: #ff8a5c;
}

.page-news__card-full {
  padding-top: var(--spacing-sm, 0.65rem);
  border-top: 1px solid rgba(192,192,192,0.1);
  margin-top: var(--spacing-xs, 0.35rem);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm, 0.65rem);
}

.page-news__card-full p {
  margin: 0;
}

/* ----- 行业观察 ----- */
.page-news__insight-section {
  background: linear-gradient(135deg, #0a1a30 0%, #0F2642 100%);
  border-top: 1px solid rgba(255,107,53,0.1);
  border-bottom: 1px solid rgba(255,107,53,0.1);
}

.page-news__insight-grid {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg, 2rem);
}

.page-news__insight-intro {
  font-size: var(--font-size-h3, 1.2rem);
  color: #fff;
  margin: 0 0 var(--spacing-md, 1.2rem);
  font-family: var(--font-heading, sans-serif);
  line-height: var(--line-height-heading, 1.3);
}

.page-news__insight-list {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--spacing-md, 1.2rem);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md, 1.2rem);
}

.page-news__insight-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm, 0.65rem);
  font-size: var(--font-size-body, 0.95rem);
  color: #d0d0d0;
  line-height: var(--line-height-body, 1.6);
  padding: var(--spacing-xs, 0.35rem) 0;
  border-bottom: 1px solid rgba(192,192,192,0.06);
}

.page-news__insight-item .tag-index {
  flex-shrink: 0;
  min-width: 2rem;
  font-weight: 700;
}

.page-news__insight-footer-text {
  font-size: var(--font-size-small, 0.85rem);
  color: var(--news-silver);
  margin: 0;
  font-style: italic;
}

.page-news__insight-visual {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs, 0.35rem);
  align-items: flex-start;
}

.page-news__insight-img {
  width: 100%;
  height: auto;
  max-height: 400px;
  object-fit: cover;
  border-radius: var(--news-card-radius);
  border: 1px solid rgba(192,192,192,0.1);
  display: block;
}

.page-news__insight-caption {
  font-size: var(--font-size-small, 0.8rem);
  opacity: 0.7;
}

/* ----- 内容索引 ----- */
.page-news__index-section {
  background: var(--news-dark);
  position: relative;
}

.page-news__index-desc {
  font-size: var(--font-size-body, 0.95rem);
  color: var(--news-silver);
  margin: 0 0 var(--spacing-lg, 2rem);
  max-width: 600px;
}

.page-news__index-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md, 1.2rem);
}

.page-news__index-block {
  background: rgba(15,38,66,0.6);
  padding: var(--spacing-md, 1.2rem);
  border-radius: var(--news-card-radius);
  border: 1px solid rgba(192,192,192,0.08);
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 0 100%);
  transition: border-color var(--news-transition);
}

.page-news__index-block:hover {
  border-color: rgba(255,107,53,0.2);
}

.page-news__index-block-title {
  font-family: var(--font-heading, sans-serif);
  font-size: var(--font-size-h3, 1.1rem);
  color: #fff;
  margin: 0 0 var(--spacing-sm, 0.65rem);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs, 0.35rem);
}

.page-news__index-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm, 0.65rem);
}

.page-news__index-list li {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm, 0.65rem);
  font-size: var(--font-size-body, 0.9rem);
  color: #c0c0c0;
  font-family: var(--font-body, serif);
}

.page-news__index-link {
  color: #c0c0c0;
  text-decoration: none;
  transition: color var(--news-transition);
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs, 0.35rem);
}

.page-news__index-link:hover,
.page-news__index-link:focus-visible {
  color: var(--news-accent);
  outline: var(--focus-outline, 2px solid #1E90FF);
  outline-offset: 2px;
}

.page-news__index-block--links .page-news__index-link {
  font-family: var(--font-index, monospace);
  font-size: var(--font-size-index, 0.85rem);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--news-accent);
}

.page-news__index-block--links .page-news__index-link:hover {
  color: #ff8a5c;
}

.page-news__index-texture {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 100px;
  height: 100px;
  opacity: 0.06;
  pointer-events: none;
  z-index: 0;
}

.page-news__index-texture-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ----- 底部导航 ----- */
.page-news__footer-nav {
  padding: var(--spacing-lg, 2rem) 0 var(--spacing-xl, 3.5rem);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm, 0.65rem);
  align-items: flex-start;
  border-top: 1px solid rgba(192,192,192,0.08);
}

.page-news__footer-nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm, 0.65rem);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm, 0.65rem) var(--spacing-lg, 2rem);
  font-family: var(--font-heading, sans-serif);
  font-size: var(--font-size-small, 0.85rem);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  text-decoration: none;
  border-radius: var(--border-radius, 4px);
  transition: all var(--news-transition);
  border: 2px solid transparent;
  line-height: 1.2;
}

.btn-accent {
  background: var(--news-accent);
  color: #fff;
  border-color: var(--news-accent);
}

.btn-accent:hover,
.btn-accent:focus-visible {
  background: #e55a2b;
  border-color: #e55a2b;
  outline: var(--focus-outline, 2px solid #1E90FF);
  outline-offset: 2px;
}

.btn-primary {
  background: transparent;
  color: var(--news-silver);
  border-color: rgba(192,192,192,0.3);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  color: #fff;
  border-color: var(--news-silver);
  outline: var(--focus-outline, 2px solid #1E90FF);
  outline-offset: 2px;
}

/* ===== 桌面端 ≥768px ===== */
@media (min-width: 768px) {
  .page-news__hero {
    min-height: 360px;
    padding: var(--spacing-xl, 3.5rem) 0 var(--spacing-lg, 2rem);
  }

  .page-news__hero-title {
    font-size: clamp(3.2rem, 5vw, 4.8rem);
  }

  /* 时间轴左右交替 */
  .page-news__timeline {
    padding-left: 0;
  }

  .page-news__timeline-line {
    left: 50%;
    transform: translateX(-50%);
    width: 5px;
  }

  .page-news__card {
    width: 50%;
    margin-bottom: var(--spacing-xl, 3.5rem);
    padding: 0 var(--spacing-lg, 2rem);
    position: relative;
  }

  .page-news__card:nth-child(odd) {
    align-self: flex-start;
    margin-left: 0;
    margin-right: auto;
    flex-direction: row;
  }

  .page-news__card:nth-child(even) {
    align-self: flex-end;
    margin-left: auto;
    margin-right: 0;
    flex-direction: row;
  }

  .page-news__card-dot {
    position: absolute;
    top: 24px;
    left: auto;
    width: 24px;
    height: 24px;
  }

  .page-news__card:nth-child(odd) .page-news__card-dot {
    right: -12px;
  }

  .page-news__card:nth-child(even) .page-news__card-dot {
    left: -12px;
  }

  .page-news__card-dot-inner {
    width: 10px;
    height: 10px;
  }

  .page-news__card-body {
    padding: var(--spacing-lg, 2rem);
  }

  .page-news__card-img-wrap {
    max-height: 200px;
  }

  .page-news__card-img {
    max-height: 200px;
  }

  /* 行业观察并排 */
  .page-news__insight-grid {
    flex-direction: row;
    align-items: flex-start;
    gap: var(--spacing-xl, 3.5rem);
  }

  .page-news__insight-text {
    flex: 1.2;
  }

  .page-news__insight-visual {
    flex: 1;
    min-width: 0;
  }

  .page-news__insight-img {
    max-height: 360px;
  }

  /* 索引网格 2x2 */
  .page-news__index-grid {
    grid-template-columns: 1fr 1fr;
  }

  /* 底部导航行内 */
  .page-news__footer-nav {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .page-news__footer-nav-links {
    gap: var(--spacing-md, 1.2rem);
  }
}

/* ===== 桌面端 ≥1024px ===== */
@media (min-width: 1024px) {
  .page-news__hero {
    min-height: 400px;
  }

  .page-news__hero-title {
    font-size: 5rem;
  }

  .page-news__timeline-section {
    padding: var(--spacing-xl, 4rem) 0;
  }

  .page-news__card-body {
    padding: var(--spacing-xl, 2.5rem);
  }

  .page-news__index-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-news__insight-grid {
    gap: 4rem;
  }
}

/* ===== 动效：减少运动偏好 ===== */
@media (prefers-reduced-motion: reduce) {
  .page-news__card-body,
  .page-news__card-img,
  .page-news__filter-btn,
  .page-news__index-link,
  .btn {
    transition: none !important;
  }

  .page-news__card-body:hover {
    transform: none !important;
  }
}

/* ===== 打印样式 ===== */
@media print {
  .page-news {
    background: #fff;
    color: #000;
  }
  .page-news__hero-bg,
  .page-news__hero-overlay,
  .speed-line,
  .page-news__index-texture {
    display: none !important;
  }
  .page-news__hero {
    min-height: auto;
    padding: 1rem 0;
  }
  .page-news__hero-title {
    color: #000;
    text-shadow: none;
  }
  .page-news__hero-desc {
    color: #333;
  }
  .page-news__card-body {
    background: #f5f5f5;
    border-color: #ccc;
  }
  .page-news__card-title {
    color: #000;
  }
  .page-news__card-summary {
    color: #333;
  }
  .page-news__insight-section {
    background: #f9f9f9;
  }
  .page-news__insight-intro {
    color: #000;
  }
  .btn {
    border-color: #999;
    color: #000;
  }
  .btn-accent {
    background: #ccc;
    color: #000;
  }
}
<<<PAGE_HTML_END>>>