.page-news {
  --section-gap: 3rem;
  --card-gap: 1.5rem;
  padding-bottom: 4rem;
}

/* 面包屑 */
.page-news__breadcrumb-wrap {
  padding-top: calc(var(--header-height, 72px) + 1rem);
  padding-bottom: 1rem;
}

/* 介绍区 */
.page-news__intro {
  background: linear-gradient(135deg, #1A1A1A 0%, #2A2A2A 100%);
  border-bottom: var(--border-thick, 4px) solid var(--color-primary, #E63946);
  padding: 2rem 0 2.5rem;
  margin-bottom: var(--section-gap);
}

.page-news__intro-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1rem;
}

.page-news__headline {
  font-family: var(--font-heading, 'Impact', sans-serif);
  font-size: clamp(2rem, 6vw, 3.5rem);
  color: var(--color-primary, #E63946);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin: 0;
  line-height: 1.1;
}

.page-news__subtitle {
  font-size: 1.1rem;
  color: var(--color-text-secondary, #FFE0A3);
  max-width: 600px;
  margin: 0 auto;
}

.page-news__meta-bar {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  justify-content: center;
}

.badge--data {
  border: 2px solid var(--color-data, #2EC4B6);
  color: var(--color-data, #2EC4B6);
  background: transparent;
  font-family: var(--font-mono, monospace);
  padding: 0.2rem 0.8rem;
}

/* 布局 */
.page-news__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap, 2rem);
  align-items: start;
}

@media (min-width: 900px) {
  .page-news__layout {
    grid-template-columns: 1fr 340px;
  }
}

/* 主列 */
.page-news__main-col {
  display: flex;
  flex-direction: column;
  gap: var(--section-gap);
}

.page-news__section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.25rem;
  border-bottom: 2px solid var(--color-border, #8C1C13);
  padding-bottom: 0.5rem;
}

.page-news__section-title {
  font-family: var(--font-heading, 'Impact', sans-serif);
  font-size: clamp(1.4rem, 3.5vw, 2rem);
  color: var(--color-text, #fff);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0;
}

.page-news__section-num {
  font-family: var(--font-mono, monospace);
  font-size: 0.85em;
  color: var(--color-primary, #E63946);
  opacity: 0.7;
}

.page-news__more-link {
  font-size: 0.9rem;
  color: var(--color-accent, #F4A261);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: border-color var(--transition);
}

.page-news__more-link:hover {
  border-bottom-color: var(--color-accent, #F4A261);
}

/* 筛选 */
.page-news__filter-group {
  display: flex;
  gap: 0.5rem;
}

.page-news__filter-btn {
  background: transparent;
  border: 2px solid var(--color-border, #8C1C13);
  color: var(--color-text-secondary, #FFE0A3);
  padding: 0.3rem 0.9rem;
  font-family: var(--font-mono, monospace);
  font-size: 0.85rem;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}

.page-news__filter-btn[aria-selected="true"] {
  background: var(--color-primary, #E63946);
  color: var(--color-text, #fff);
  border-color: var(--color-primary, #E63946);
}

.page-news__filter-btn:hover {
  border-color: var(--color-accent, #F4A261);
}

/* 更新区 */
.page-news__update-card {
  background: var(--color-card, #2A2A2A);
  padding: 1rem;
  border: var(--border-thick, 4px) solid var(--color-border, #8C1C13);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.page-news__update-img {
  width: 100%;
  height: auto;
  object-fit: cover;
  border-bottom: 3px solid var(--color-data, #2EC4B6);
}

.page-news__update-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1.5rem;
}

.data-label {
  font-family: var(--font-mono, monospace);
  font-size: 0.8rem;
  color: var(--color-text-secondary, #FFE0A3);
  text-transform: uppercase;
}

.data-value--large {
  font-size: 2.2rem;
  font-family: var(--font-heading, 'Impact', sans-serif);
  line-height: 1;
}

.page-news__update-note {
  font-size: 0.85rem;
  color: var(--color-text-secondary, #FFE0A3);
  opacity: 0.8;
  border-top: 1px solid var(--color-border, #8C1C13);
  padding-top: 0.5rem;
}

/* 时间线 */
.page-news__timeline {
  margin-top: 1.5rem;
}

.page-news__timeline-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.page-news__timeline-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--color-card, #2A2A2A);
  padding: 0.5rem 1rem;
  border-left: 3px solid var(--color-accent, #F4A261);
}

.page-news__timeline-icon {
  width: 36px;
  height: auto;
  object-fit: contain;
  border-radius: 50%;
  background: var(--color-bg, #1A1A1A);
  padding: 4px;
}

.page-news__timeline-label {
  font-family: var(--font-mono, monospace);
  font-size: 0.85rem;
  color: var(--color-text-secondary, #FFE0A3);
  min-width: 60px;
}

.page-news__timeline-val {
  font-family: var(--font-heading, 'Impact', sans-serif);
  color: var(--color-data, #2EC4B6);
  font-size: 1rem;
}

/* 战报复盘网格 */
.page-news__review-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--card-gap);
}

@media (min-width: 600px) {
  .page-news__review-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1000px) {
  .page-news__review-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.page-news__review-card {
  background: var(--color-card, #2A2A2A);
  border: var(--border-thick, 4px) solid var(--color-border, #8C1C13);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.page-news__review-card:hover {
  border-color: var(--color-accent, #F4A261);
  box-shadow: var(--shadow-strong);
}

.page-news__review-img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
}

.page-news__review-body {
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex: 1;
}

.page-news__review-title {
  font-family: var(--font-heading, 'Impact', sans-serif);
  font-size: 1.1rem;
  color: var(--color-text, #fff);
  margin: 0;
}

.page-news__review-excerpt {
  font-size: 0.9rem;
  color: var(--color-text-secondary, #FFE0A3);
  line-height: 1.5;
  flex: 1;
}

.badge--accent {
  border: 1px solid var(--color-accent, #F4A261);
  color: var(--color-accent, #F4A261);
  background: transparent;
  display: inline-block;
  padding: 0.2em 0.7em;
  font-family: var(--font-mono, monospace);
  font-size: 0.8rem;
}

/* 行业观察列表 */
.page-news__analysis-list {
  display: flex;
  flex-direction: column;
  gap: var(--card-gap);
}

.page-news__analysis-card {
  background: var(--color-card, #2A2A2A);
  border: var(--border-thick, 4px) solid var(--color-border, #8C1C13);
  padding: 1rem;
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  transition: border-color var(--transition);
}

.page-news__analysis-card:hover {
  border-color: var(--color-data, #2EC4B6);
}

.page-news__analysis-avatar {
  border: 3px solid var(--color-primary, #E63946);
  border-radius: 50%;
  flex-shrink: 0;
}

.page-news__analysis-content {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  flex: 1;
}

.page-news__analysis-title {
  font-family: var(--font-heading, 'Impact', sans-serif);
  font-size: 1.05rem;
  color: var(--color-text, #fff);
  margin: 0;
}

.page-news__analysis-excerpt {
  font-size: 0.9rem;
  color: var(--color-text-secondary, #FFE0A3);
  line-height: 1.5;
}

.page-news__analysis-meta {
  display: flex;
  gap: 1rem;
  align-items: center;
  padding-top: 0.4rem;
}

/* 侧边栏 */
.page-news__side-col {
  display: flex;
  flex-direction: column;
  gap: var(--card-gap);
  position: sticky;
  top: calc(var(--header-height, 72px) + 1rem);
}

.page-news__side-card {
  background: var(--color-card, #2A2A2A);
  border: var(--border-thick, 4px) solid var(--color-border, #8C1C13);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.page-news__side-title {
  font-family: var(--font-heading, 'Impact', sans-serif);
  font-size: 1.2rem;
  margin: 0;
  color: var(--color-accent, #F4A261);
  border-bottom: 2px solid var(--color-border, #8C1C13);
  padding-bottom: 0.5rem;
}

.page-news__side-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px dashed var(--color-border, #8C1C13);
  padding: 0.4rem 0;
}

.page-news__side-item .data-label {
  font-size: 0.8rem;
}

.page-news__side-item .data-value {
  font-family: var(--font-heading, 'Impact', sans-serif);
  font-size: 1.4rem;
}

.page-news__side-cta {
  margin-top: 0.5rem;
}

.page-news__side-card--contact {
  background: var(--color-primary, #E63946);
  border-color: var(--color-primary, #E63946);
}

.page-news__side-contact-text {
  font-family: var(--font-heading, 'Impact', sans-serif);
  font-size: 1.1rem;
  color: var(--color-text, #fff);
  text-align: center;
  margin: 0;
}

.btn--outline {
  background: transparent;
  border: 2px solid var(--color-accent, #F4A261);
  color: var(--color-accent, #F4A261);
}

.btn--outline:hover {
  background: var(--color-accent, #F4A261);
  color: var(--color-bg, #1A1A1A);
}

/* 响应式微调 */
@media (max-width: 599px) {
  .page-news__section-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .page-news__filter-group {
    flex-wrap: wrap;
  }

  .page-news__analysis-card {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .page-news__analysis-meta {
    justify-content: center;
  }

  .page-news__side-col {
    position: static;
  }
}

@media (min-width: 900px) {
  .page-news__side-col {
    margin-top: 0;
    padding-left: 0;
  }
}