/* ===== page-news 品牌日志页面专属样式 ===== */
.page-news {
  --news-bg: #0D0D0D;
  --news-text: #FFFFFF;
  --news-section-bg: rgba(26, 26, 46, 0.65);
  --news-card-bg: rgba(26, 26, 46, 0.85);
  --news-brand: #FF6B35;
  --news-brand-dim: rgba(255, 107, 53, 0.25);
  --news-accent: #004E7C;
  --news-highlight: #00FF87;
  --news-border: rgba(255, 107, 53, 0.4);
  --news-shadow: 0 8px 32px rgba(255, 107, 53, 0.12);
  --news-gap: 32px;
  --news-radius: 4px;

  background-color: var(--news-bg);
  color: var(--news-text);
  font-family: var(--body-font, 'Inter', sans-serif);
  line-height: 1.6;
  padding: 0;
  max-width: 1440px;
  margin: 0 auto;
  width: 100%;
  box-sizing: border-box;
}

.page-news *,
.page-news *::before,
.page-news *::after {
  box-sizing: inherit;
}

/* ----- 面包屑 ----- */
.page-news__breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  padding: 24px 32px 0;
  font-size: 14px;
  font-weight: 400;
  color: rgba(255,255,255,0.55);
}

.page-news__breadcrumb a {
  color: var(--news-brand);
  text-decoration: none;
  transition: color 0.2s;
}

.page-news__breadcrumb a:hover {
  color: var(--news-highlight);
}

.page-news__breadcrumb-sep {
  color: rgba(255,255,255,0.3);
}

/* ----- 首屏标题区 ----- */
.page-news__hero {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding: 40px 32px 48px;
  position: relative;
}

.page-news__hero-text {
  position: relative;
  z-index: 2;
}

.page-news__hero-title {
  font-family: var(--heading-font, 'Montserrat', sans-serif);
  font-weight: 900;
  font-size: 48px;
  line-height: 1.1;
  margin: 0 0 16px;
  color: var(--news-text);
  letter-spacing: -0.02em;
  position: relative;
  display: inline-block;
}

.page-news__hero-title::after {
  content: '';
  display: block;
  width: 80px;
  height: 6px;
  background: var(--news-brand);
  margin-top: 12px;
  clip-path: polygon(0 0, 100% 0, 90% 100%, 0 100%);
}

.page-news__hero-subtitle {
  font-size: 18px;
  color: rgba(255,255,255,0.7);
  max-width: 640px;
  margin: 0;
  line-height: 1.5;
}

.page-news__hero-visual {
  position: relative;
  width: 100%;
  overflow: hidden;
  border-radius: var(--news-radius);
  border: 2px solid var(--news-border);
  box-shadow: var(--news-shadow);
}

.page-news__hero-img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 400px;
  object-fit: cover;
  object-position: center;
}

/* ----- 共享的节点头部 ----- */
.page-news__section-header {
  padding: 0 32px;
  margin-bottom: 32px;
}

.page-news__section-title {
  font-family: var(--heading-font, 'Montserrat', sans-serif);
  font-weight: 900;
  font-size: 36px;
  line-height: 1.2;
  margin: 0 0 8px;
  color: var(--news-text);
  position: relative;
  display: inline-block;
}

.page-news__section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background: var(--news-brand);
  margin-top: 8px;
  clip-path: polygon(0 0, 100% 0, 90% 100%, 0 100%);
}

.page-news__section-desc {
  font-size: 16px;
  color: rgba(255,255,255,0.6);
  margin: 8px 0 0;
  max-width: 600px;
}

/* ----- 品牌日志列表 ----- */
.page-news__log {
  padding: 48px 0 56px;
  position: relative;
}

.page-news__log::before {
  content: '';
  position: absolute;
  top: 0;
  left: 32px;
  right: 32px;
  height: 2px;
  background: linear-gradient(90deg, var(--news-brand), transparent 80%);
}

.page-news__log-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: 0 32px;
}

.page-news__log-item {
  display: flex;
  align-items: stretch;
  background: var(--news-card-bg);
  border: 2px solid var(--news-border);
  border-radius: var(--news-radius);
  overflow: hidden;
  transition: background 0.3s, border-color 0.3s, box-shadow 0.3s;
  cursor: default;
  box-shadow: 0 2px 12px rgba(0,0,0,0.2);
}

.page-news__log-item:hover,
.page-news__log-item:focus-within {
  background: rgba(26, 26, 46, 0.95);
  border-color: var(--news-brand);
  box-shadow: 0 8px 32px rgba(255, 107, 53, 0.18);
}

.page-news__log-item-bar {
  flex-shrink: 0;
  width: 8px;
  background: var(--news-brand);
  opacity: 0.7;
  transition: opacity 0.3s;
}

.page-news__log-item:hover .page-news__log-item-bar,
.page-news__log-item:focus-within .page-news__log-item-bar {
  opacity: 1;
}

.page-news__log-item-content {
  padding: 24px 28px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

.page-news__log-item-title {
  font-family: var(--heading-font, 'Montserrat', sans-serif);
  font-weight: 800;
  font-size: 22px;
  line-height: 1.3;
  margin: 0;
  color: var(--news-text);
}

.page-news__log-item-summary {
  font-size: 16px;
  color: rgba(255,255,255,0.7);
  margin: 0;
  line-height: 1.6;
  max-width: 720px;
}

.page-news__log-item-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 15px;
  font-weight: 600;
  color: var(--news-brand);
  text-decoration: none;
  margin-top: 4px;
  transition: color 0.2s, gap 0.2s;
  align-self: flex-start;
}

.page-news__log-item-link:hover {
  color: var(--news-highlight);
  gap: 10px;
}

/* ----- 数据洞察区 ----- */
.page-news__insights {
  padding: 56px 0 48px;
  position: relative;
}

.page-news__insights::before {
  content: '';
  position: absolute;
  top: 0;
  left: 32px;
  right: 32px;
  height: 2px;
  background: linear-gradient(90deg, var(--news-accent), transparent 80%);
}

.page-news__insights-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  padding: 0 32px;
}

.page-news__insight-card {
  background: var(--news-card-bg);
  border: 2px solid rgba(0, 78, 124, 0.4);
  border-radius: var(--news-radius);
  padding: 28px 24px;
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s;
  box-shadow: 0 2px 16px rgba(0,0,0,0.15);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-news__insight-card:hover {
  border-color: var(--news-highlight);
  box-shadow: 0 8px 32px rgba(0, 255, 135, 0.1);
  transform: translateY(-4px);
}

.page-news__insight-card-top {
  display: flex;
  align-items: center;
  gap: 16px;
}

.page-news__insight-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--news-highlight);
  flex-shrink: 0;
}

.page-news__insight-tag {
  display: inline-block;
  font-family: var(--mono-font, 'JetBrains Mono', monospace);
  font-size: 12px;
  font-weight: 500;
  color: var(--news-highlight);
  background: rgba(0, 255, 135, 0.1);
  padding: 4px 12px;
  border-radius: 2px;
  letter-spacing: 0.03em;
  border: 1px solid rgba(0, 255, 135, 0.2);
}

.page-news__insight-card-title {
  font-family: var(--heading-font, 'Montserrat', sans-serif);
  font-weight: 800;
  font-size: 20px;
  line-height: 1.3;
  margin: 0;
  color: var(--news-text);
}

.page-news__insight-card-text {
  font-size: 15px;
  color: rgba(255,255,255,0.7);
  margin: 0;
  line-height: 1.6;
}

.page-news__insights-cta {
  padding: 32px 32px 0;
  display: flex;
  justify-content: flex-end;
}

.page-news__cta-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 16px;
  font-weight: 700;
  color: var(--news-brand);
  text-decoration: none;
  padding: 8px 0;
  transition: color 0.2s, gap 0.2s;
  border-bottom: 2px solid transparent;
}

.page-news__cta-link:hover {
  color: var(--news-highlight);
  gap: 14px;
  border-bottom-color: var(--news-highlight);
}

/* ----- 功能更新示意 ----- */
.page-news__update {
  padding: 48px 0 56px;
  position: relative;
}

.page-news__update::before {
  content: '';
  position: absolute;
  top: 0;
  left: 32px;
  right: 32px;
  height: 2px;
  background: linear-gradient(90deg, var(--news-brand), transparent 80%);
}

.page-news__update-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  padding: 0 32px;
}

.page-news__update-card {
  background: var(--news-card-bg);
  border: 2px solid var(--news-border);
  border-radius: var(--news-radius);
  overflow: hidden;
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s;
  box-shadow: 0 2px 12px rgba(0,0,0,0.2);
}

.page-news__update-card:hover {
  border-color: var(--news-brand);
  box-shadow: 0 8px 32px rgba(255, 107, 53, 0.15);
  transform: translateY(-3px);
}

.page-news__update-img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 400 / 250;
  object-fit: cover;
  object-position: center;
  border-bottom: 2px solid rgba(255, 107, 53, 0.2);
}

.page-news__update-card-text {
  padding: 20px 24px 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-news__update-card-title {
  font-family: var(--heading-font, 'Montserrat', sans-serif);
  font-weight: 800;
  font-size: 20px;
  line-height: 1.3;
  margin: 0;
  color: var(--news-text);
}

.page-news__update-card-desc {
  font-size: 15px;
  color: rgba(255,255,255,0.7);
  margin: 0;
  line-height: 1.6;
}

/* ----- 底部品牌结语 ----- */
.page-news__outro {
  padding: 48px 32px 64px;
  position: relative;
  text-align: center;
}

.page-news__outro-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  opacity: 0.25;
  z-index: 0;
  border-radius: var(--news-radius);
}

.page-news__outro-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.page-news__outro-text {
  position: relative;
  z-index: 1;
  max-width: 640px;
  margin: 0 auto;
}

.page-news__outro-title {
  font-family: var(--heading-font, 'Montserrat', sans-serif);
  font-weight: 900;
  font-size: 36px;
  line-height: 1.2;
  margin: 0 0 16px;
  color: var(--news-text);
}

.page-news__outro-desc {
  font-size: 18px;
  color: rgba(255,255,255,0.65);
  margin: 0 0 28px;
  line-height: 1.6;
}

.page-news__outro-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 24px;
}

.page-news__outro-link {
  font-size: 16px;
  font-weight: 600;
  color: var(--news-brand);
  text-decoration: none;
  padding: 8px 16px;
  border: 2px solid var(--news-border);
  border-radius: var(--news-radius);
  transition: background 0.2s, border-color 0.2s, color 0.2s;
}

.page-news__outro-link:hover {
  background: var(--news-brand);
  color: #0D0D0D;
  border-color: var(--news-brand);
}

/* ----- 桌面端 ≥768px ----- */
@media (min-width: 768px) {
  .page-news__hero {
    flex-direction: row;
    align-items: center;
    gap: 48px;
    padding: 48px 40px 64px;
  }

  .page-news__hero-text {
    flex: 1 1 45%;
  }

  .page-news__hero-visual {
    flex: 1 1 55%;
  }

  .page-news__hero-title {
    font-size: 64px;
  }

  .page-news__hero-subtitle {
    font-size: 20px;
  }

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

  .page-news__section-header {
    padding: 0 40px;
  }

  .page-news__section-title {
    font-size: 48px;
  }

  .page-news__log-list {
    padding: 0 40px;
  }

  .page-news__log-item-content {
    padding: 28px 36px;
  }

  .page-news__log-item-title {
    font-size: 26px;
  }

  .page-news__insights-grid {
    grid-template-columns: repeat(3, 1fr);
    padding: 0 40px;
    gap: 28px;
  }

  .page-news__insight-card {
    padding: 32px 28px;
  }

  .page-news__update-grid {
    grid-template-columns: repeat(2, 1fr);
    padding: 0 40px;
    gap: 28px;
  }

  .page-news__outro {
    padding: 64px 40px 80px;
  }

  .page-news__outro-title {
    font-size: 48px;
  }

  .page-news__breadcrumb {
    padding: 24px 40px 0;
  }

  .page-news__log::before {
    left: 40px;
    right: 40px;
  }

  .page-news__insights::before {
    left: 40px;
    right: 40px;
  }

  .page-news__update::before {
    left: 40px;
    right: 40px;
  }

  .page-news__insights-cta {
    padding: 40px 40px 0;
  }
}

/* ----- 大桌面端 ≥1200px ----- */
@media (min-width: 1200px) {
  .page-news__hero {
    padding: 56px 48px 72px;
    gap: 64px;
  }

  .page-news__hero-title {
    font-size: 72px;
  }

  .page-news__hero-img {
    max-height: 420px;
  }

  .page-news__section-header {
    padding: 0 48px;
  }

  .page-news__log-list {
    padding: 0 48px;
    gap: 24px;
  }

  .page-news__insights-grid {
    padding: 0 48px;
    gap: 32px;
  }

  .page-news__update-grid {
    padding: 0 48px;
    gap: 32px;
  }

  .page-news__outro {
    padding: 72px 48px 96px;
  }

  .page-news__breadcrumb {
    padding: 28px 48px 0;
  }

  .page-news__log::before {
    left: 48px;
    right: 48px;
  }

  .page-news__insights::before {
    left: 48px;
    right: 48px;
  }

  .page-news__update::before {
    left: 48px;
    right: 48px;
  }

  .page-news__insights-cta {
    padding: 48px 48px 0;
  }
}