/* ===== 页面专属 CSS – .page-news ===== */
/* 移动端优先，作用域限定 */
.page-news {
  --page-bg-from: #0A0E18;
  --page-bg-to: #0B1F3A;
  --page-card-gap: clamp(1rem, 2vw, 1.5rem);
  --page-column-min: 280px;
  display: block;
  background: linear-gradient(145deg, var(--page-bg-from), var(--page-bg-to));
  color: var(--light-text);
  padding: 0;
  min-height: 100vh;
}

.page-news__container {
  max-width: var(--site-max-width, 1200px);
  margin: 0 auto;
  padding: clamp(1rem, 3vw, 2.5rem) clamp(1rem, 4vw, 2rem);
}

/* 面包屑 */
.page-news .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.25rem 0.5rem;
  font-family: var(--font-heading, 'Inter', sans-serif);
  font-size: 0.85rem;
  color: var(--mid-gray);
  margin-bottom: 1.5rem;
}

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

.page-news .breadcrumbs a:hover,
.page-news .breadcrumbs a:focus {
  opacity: 0.75;
}

.page-news .breadcrumbs__sep {
  color: var(--mid-gray);
  font-weight: 600;
}

/* 页面标题 */
.page-news__header {
  margin-bottom: 2.5rem;
  border-bottom: 2px solid var(--transparent-gold);
  padding-bottom: 1rem;
}

.page-news__title {
  font-family: var(--font-heading, 'Inter', sans-serif);
  font-weight: var(--heading-weight, 800);
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  text-transform: uppercase;
  color: var(--gold);
  letter-spacing: 0.02em;
  margin: 0 0 0.25rem;
  line-height: 1.1;
}

.page-news__subtitle {
  font-family: var(--font-body, 'Open Sans', sans-serif);
  font-size: clamp(1rem, 2vw, 1.35rem);
  color: var(--light-text);
  opacity: 0.85;
  margin: 0;
  font-weight: 400;
  font-style: italic;
}

/* 筛选按钮组 */
.page-news__filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.75rem;
  margin-bottom: 2rem;
}

.page-news__filter-btn {
  font-family: var(--font-heading, 'Inter', sans-serif);
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding: 0.45rem 1.1rem;
  border: 1px solid var(--transparent-gold);
  background: transparent;
  color: var(--light-text);
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
  border-radius: 0;
}

.page-news__filter-btn[aria-pressed="true"] {
  background: var(--flame-red);
  border-color: var(--flame-red);
  color: #fff;
}

.page-news__filter-btn:hover:not([aria-pressed="true"]),
.page-news__filter-btn:focus:not([aria-pressed="true"]) {
  border-color: var(--gold);
  color: var(--gold);
}

/* 通用卡片网格 */
.page-news__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--page-card-gap);
  margin-bottom: 2rem;
}

/* 文章卡片 */
.page-news__card {
  display: flex;
  flex-direction: column;
  background: var(--card-bg);
  border: 1px solid rgba(245,197,24,0.15);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  cursor: default;
  position: relative;
  contain: content;
}

.page-news__card[tabindex]:hover,
.page-news__card[tabindex]:focus {
  transform: scale(1.015);
  box-shadow: 0 0 0 2px var(--flame-red);
  outline: none;
}

.page-news__card.card--highlight {
  border-color: var(--gold);
  box-shadow: 0 0 12px rgba(245,197,24,0.2);
}

/* 标签徽章（卡内浮动定位） */
.page-news__card .badge {
  position: absolute;
  top: 0.5rem;
  left: 0.5rem;
  z-index: 2;
  font-family: var(--font-heading, 'Inter', sans-serif);
  font-weight: 600;
  font-size: 0.72rem;
  text-transform: uppercase;
  padding: 0.2rem 0.7rem;
  color: var(--gold);
  background: var(--flame-red);
  border: 0;
  letter-spacing: 0.02em;
}

.page-news__card .badge--new {
  background: var(--success-green);
  color: #fff;
}

.page-news__card .badge--returning {
  background: var(--flame-red);
  color: var(--gold);
}

/* 图片容器 */
.page-news__card-figure {
  margin: 0;
  overflow: hidden;
  width: 100%;
  aspect-ratio: 4 / 3;
  background: var(--deep-blue);
  position: relative;
}

.page-news__card-figure--wide {
  aspect-ratio: 3 / 2;
}

.page-news__card-figure--replay {
  aspect-ratio: 5 / 3;
}

.page-news__card-figure--small {
  aspect-ratio: 3 / 2;
  max-height: 200px;
}

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

/* 卡片文本 */
.page-news__card-body {
  padding: 1rem 1rem 1.2rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.page-news__card-title {
  font-family: var(--font-heading, 'Inter', sans-serif);
  font-weight: 700;
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--gold);
  margin: 0 0 0.4rem;
  line-height: 1.3;
}

.page-news__card-summary {
  font-family: var(--font-body, 'Open Sans', sans-serif);
  font-size: 0.92rem;
  line-height: 1.5;
  color: var(--light-text);
  opacity: 0.88;
  margin: 0 0 0.75rem;
  flex: 1;
}

.page-news__card-summary.accent {
  font-style: italic;
}

.page-news__card-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.75rem;
  font-family: var(--font-heading, 'Inter', sans-serif);
  font-size: 0.75rem;
  color: var(--mid-gray);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: 0.6rem;
}

.page-news__card-tag {
  background: rgba(230,57,70,0.25);
  color: var(--flame-red);
  padding: 0.1rem 0.5rem;
  font-weight: 600;
}

.page-news__card-readtime {
  color: var(--mid-gray);
}

/* 板块标题 */
.page-news__section-title {
  font-family: var(--font-heading, 'Inter', sans-serif);
  font-weight: var(--heading-weight, 800);
  font-size: clamp(1.5rem, 3.5vw, 2.5rem);
  color: var(--gold);
  text-transform: uppercase;
  margin: 0 0 1.2rem;
  padding-bottom: 0.4rem;
  border-bottom: 2px solid var(--transparent-gold);
  letter-spacing: 0.01em;
}

/* 板块间距 */
.page-news__section {
  margin-bottom: 3.5rem;
}

/* 会员回放板块的“查看详情”链接 */
.page-news__more-link {
  display: inline-block;
  margin-top: 0.5rem;
  font-family: var(--font-heading, 'Inter', sans-serif);
  font-weight: 600;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding: 0.6rem 1.5rem;
  background: var(--flame-red);
  color: #fff;
  text-decoration: none;
  transition: background var(--transition), box-shadow var(--transition);
  border: 0;
}

.page-news__more-link:hover,
.page-news__more-link:focus {
  background: #c92e3b;
  box-shadow: 0 0 0 2px var(--gold);
}

/* 页面底部导航链接 */
.page-news__nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--transparent-gold);
}

.page-news__nav-links .btn--ghost {
  font-family: var(--font-heading, 'Inter', sans-serif);
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  padding: 0.5rem 1.2rem;
  border: 1px solid var(--gold);
  color: var(--gold);
  background: transparent;
  text-decoration: none;
  transition: background var(--transition), color var(--transition);
}

.page-news__nav-links .btn--ghost:hover,
.page-news__nav-links .btn--ghost:focus {
  background: var(--gold);
  color: var(--deep-blue);
}

/* ===== 响应式布局 (桌面 >= 768px) ===== */
@media (min-width: 768px) {
  .page-news__grid {
    grid-template-columns: repeat(auto-fill, minmax(var(--page-column-min), 1fr));
  }

  /* 最新战报区域：错落三列 */
  .page-news__grid--masonry {
    grid-template-columns: 1fr 1fr 1fr;
  }
  .page-news__grid--masonry .page-news__card:first-child {
    grid-column: 1 / 3;
    grid-row: 1 / 3;
  }
  .page-news__grid--masonry .page-news__card:first-child .page-news__card-figure {
    aspect-ratio: 16 / 9;
  }

  /* 对比分析区域：两列不等宽 */
  .page-news__grid--analysis {
    grid-template-columns: 3fr 2fr;
  }

  /* 会员回放区域：宽卡片 + 正常卡片 */
  .page-news__grid--replay {
    grid-template-columns: 2fr 1fr;
  }

  /* 品牌动态区域：两列均等 */
  .page-news__grid--brand {
    grid-template-columns: 1fr 1fr;
  }

  /* 某些卡片在特定区域内允许跨列 */
  .page-news__card--wide {
    grid-column: 1 / -1;
  }
}

@media (min-width: 1024px) {
  .page-news__container {
    padding: 2.5rem 2rem;
  }

  .page-news__grid--masonry {
    gap: 1.5rem;
  }
}

/* 确保窄屏无横向溢出 */
@media (max-width: 400px) {
  .page-news__container {
    padding: 0.75rem;
  }
  .page-news__card-body {
    padding: 0.75rem;
  }
  .page-news__filters {
    gap: 0.3rem;
  }
  .page-news__filter-btn {
    font-size: 0.75rem;
    padding: 0.35rem 0.8rem;
  }
}