.page-news {
  --pn-accent: var(--color-accent, #FF6B35);
  --pn-primary: var(--color-primary, #00B4D8);
  --pn-primary-dark: var(--color-primary-dark, #0077B6);
  --pn-bg-light: var(--color-bg-light, #F0F9FF);
  --pn-bg-dark: var(--color-bg-dark, #1A1A2E);
  --pn-card-bg: var(--color-card, #FFFFFF);
  --pn-text: var(--color-text, #2D3436);
  --pn-text-light: var(--color-text-light, #636E72);
  --pn-number: var(--color-number, #0984E3);
  --pn-border: var(--color-border, rgba(0,180,216,0.15));
  --pn-radius-md: var(--radius-md, 12px);
  --pn-radius-lg: var(--radius-lg, 20px);
  --pn-radius-xl: var(--radius-xl, 28px);
  --pn-shadow: var(--shadow-md, 0 4px 16px rgba(0,0,0,0.08));
  --pn-shadow-hover: var(--shadow-lg, 0 8px 32px rgba(0,0,0,0.10));
  --pn-gap: var(--gap, 24px);
  --pn-font-heading: var(--font-heading, 'Inter','PingFang SC','Microsoft YaHei',system-ui,sans-serif);
  --pn-font-body: var(--font-body, 'Roboto Condensed','PingFang SC','Microsoft YaHei',system-ui,sans-serif);
  --pn-font-number: var(--font-number, 'Roboto Mono','Consolas',monospace);

  display: block;
  background: var(--pn-bg-light);
  color: var(--pn-text);
  font-family: var(--pn-font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ---------- 包裹容器 ---------- */
.page-news__wrap {
  max-width: var(--max-w, 1280px);
  margin: 0 auto;
  padding: 16px var(--pn-gap) 60px;
}

/* ---------- 面包屑 ---------- */
.page-news__breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--pn-text-light);
  margin-bottom: 20px;
  padding: 0 2px;
}
.page-news__breadcrumb a {
  color: var(--pn-primary);
  text-decoration: none;
  transition: opacity 0.2s;
}
.page-news__breadcrumb a:hover {
  opacity: 0.75;
}
.page-news__sep {
  color: var(--pn-border);
  font-size: 1.1rem;
  line-height: 1;
}

/* ---------- 英雄标题区 ---------- */
.page-news__hero {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 40px;
  background: linear-gradient(135deg, rgba(0,180,216,0.06) 0%, rgba(255,107,53,0.04) 100%);
  border-radius: var(--pn-radius-xl);
  padding: 24px 20px;
  position: relative;
  overflow: hidden;
}
.page-news__hero-text {
  flex: 1;
  z-index: 2;
}
.page-news__hero-title {
  font-family: var(--pn-font-heading);
  font-weight: 800;
  font-size: 2.2rem;
  letter-spacing: 0.04em;
  margin: 0 0 8px;
  color: var(--pn-primary-dark);
  position: relative;
  display: inline-block;
}
.page-news__hero-title::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 48px;
  height: 4px;
  background: var(--pn-accent);
  border-radius: 4px;
}
.page-news__hero-desc {
  font-size: 0.95rem;
  color: var(--pn-text-light);
  margin: 16px 0 0;
  max-width: 480px;
  letter-spacing: 0.02em;
}
.page-news__hero-visual {
  display: none;
  z-index: 1;
}
.page-news__hero-img {
  width: 100%;
  height: auto;
  max-width: 100%;
  border-radius: var(--pn-radius-md);
  object-fit: cover;
  display: block;
}

/* ---------- 通用板块标题 ---------- */
.page-news__section-header {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 24px;
}
.page-news__section-title {
  font-family: var(--pn-font-heading);
  font-weight: 700;
  font-size: 1.6rem;
  letter-spacing: 0.04em;
  color: var(--pn-primary-dark);
  margin: 0;
  position: relative;
  padding-left: 16px;
}
.page-news__section-title::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.15em;
  bottom: 0.15em;
  width: 4px;
  background: linear-gradient(to bottom, var(--pn-primary), var(--pn-accent));
  border-radius: 4px;
}

/* ---------- 筛选栏 ---------- */
.page-news__filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.page-news__filter-btn {
  font-family: var(--pn-font-body);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 40px;
  border: 1.5px solid var(--pn-border);
  background: transparent;
  color: var(--pn-text-light);
  cursor: pointer;
  transition: all 0.25s ease;
  letter-spacing: 0.02em;
  line-height: 1.4;
  white-space: nowrap;
}
.page-news__filter-btn:hover {
  border-color: var(--pn-primary);
  color: var(--pn-primary);
  background: rgba(0,180,216,0.06);
}
.page-news__filter-btn--active {
  background: var(--pn-primary);
  border-color: var(--pn-primary);
  color: #fff;
  box-shadow: 0 2px 8px rgba(0,180,216,0.25);
}

/* ---------- 瀑布流卡片网格 ---------- */
.page-news__masonry {
  column-count: 1;
  column-gap: var(--pn-gap);
}
.page-news__card {
  break-inside: avoid;
  margin-bottom: var(--pn-gap);
  background: var(--pn-card-bg);
  border-radius: var(--pn-radius-lg);
  box-shadow: var(--pn-shadow);
  padding: 20px 18px 18px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--pn-border);
  position: relative;
  overflow: hidden;
}
.page-news__card:hover {
  transform: scale(1.015);
  box-shadow: var(--pn-shadow-hover);
}
.page-news__card-badge {
  align-self: flex-start;
  margin-bottom: 10px;
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  padding: 2px 12px;
  border-radius: 40px;
  background: var(--pn-primary);
  color: #fff;
  font-weight: 600;
  text-transform: uppercase;
}
.page-news__card-title {
  font-family: var(--pn-font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0 0 6px;
  color: var(--pn-primary-dark);
  line-height: 1.3;
}
.page-news__card-text {
  font-size: 0.88rem;
  color: var(--pn-text-light);
  margin: 0 0 14px;
  line-height: 1.55;
  flex: 1;
}
.page-news__card-link {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--pn-primary);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 10px;
  transition: color 0.2s;
}
.page-news__card-link:hover {
  color: var(--pn-accent);
}

/* ---------- 卡片迷你图：条形图 ---------- */
.page-news__card-chart {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  height: 60px;
  padding: 4px 2px;
  margin-bottom: 6px;
}
.page-news__chart-bar {
  flex: 1;
  height: var(--bar-h, 50%);
  border-radius: 4px 4px 0 0;
  min-height: 6px;
  transition: height 0.35s ease;
  background: var(--pn-primary);
}

/* 折线图容器 */
.page-news__card-chart--line {
  padding: 2px 0;
}
.page-news__chart-svg {
  width: 100%;
  height: 100%;
  display: block;
}

/* 环形图容器 */
.page-news__card-chart--pct {
  justify-content: center;
  align-items: center;
}
.page-news__chart-ring {
  width: 60px;
  height: 60px;
  display: block;
}

/* 曲线图双线 */
.page-news__card-chart--curve {
  padding: 2px 0;
}

/* 热力图网格 */
.page-news__card-chart--grid {
  display: flex;
  flex-direction: column;
  gap: 2px;
  height: 54px;
  padding: 2px 0;
}
.page-news__heat-row {
  display: flex;
  gap: 2px;
  flex: 1;
}
.page-news__heat-row span {
  flex: 1;
  background: var(--pn-accent);
  opacity: var(--h-op, 0.3);
  border-radius: 2px;
  transition: opacity 0.3s;
}

/* ---------- 赛事数据说明 ---------- */
.page-news__data-note {
  margin-top: 48px;
  padding: 32px 20px;
  background: linear-gradient(135deg, rgba(0,180,216,0.04) 0%, rgba(45,106,79,0.04) 100%);
  border-radius: var(--pn-radius-xl);
  border: 1px solid var(--pn-border);
}
.page-news__data-note-inner {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.page-news__data-content {
  flex: 1;
}
.page-news__data-text {
  font-size: 0.92rem;
  color: var(--pn-text);
  margin: 0 0 12px;
  line-height: 1.7;
  max-width: 680px;
}
.page-news__data-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 16px;
}
.page-news__data-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--pn-radius-md);
  object-fit: cover;
  display: block;
  flex-shrink: 0;
  opacity: 0.7;
}
.page-news__data-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--pn-primary-dark);
  letter-spacing: 0.03em;
}
.page-news__data-visual {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.page-news__data-chart-img {
  width: 100%;
  max-width: 400px;
  height: auto;
  border-radius: var(--pn-radius-md);
  box-shadow: var(--pn-shadow);
  display: block;
  object-fit: cover;
}

/* ---------- 社区动态 ---------- */
.page-news__community {
  margin-top: 48px;
}
.page-news__community-desc {
  font-size: 0.92rem;
  color: var(--pn-text-light);
  margin: 8px 0 20px;
  padding-left: 20px;
}
.page-news__community-grid {
  display: flex;
  flex-direction: column;
  gap: var(--pn-gap);
}
.page-news__community-card {
  display: flex;
  gap: 14px;
  background: var(--pn-card-bg);
  border-radius: var(--pn-radius-lg);
  padding: 16px 18px;
  box-shadow: var(--pn-shadow);
  border: 1px solid var(--pn-border);
  align-items: flex-start;
  transition: transform 0.25s ease;
}
.page-news__community-card:hover {
  transform: scale(1.01);
}
.page-news__community-card--wide {
  flex-direction: column;
}
.page-news__community-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--pn-primary) 0%, var(--pn-accent) 100%);
  flex-shrink: 0;
  opacity: 0.7;
}
.page-news__community-body {
  flex: 1;
}
.page-news__community-quote {
  font-size: 0.9rem;
  color: var(--pn-text);
  margin: 0 0 4px;
  line-height: 1.5;
  font-style: italic;
}
.page-news__community-quote::before {
  content: '“';
  color: var(--pn-primary);
  font-size: 1.2rem;
  font-weight: 700;
}
.page-news__community-quote::after {
  content: '”';
  color: var(--pn-primary);
  font-size: 1.2rem;
  font-weight: 700;
}
.page-news__community-author {
  font-size: 0.78rem;
  color: var(--pn-text-light);
  display: block;
  margin-top: 4px;
  letter-spacing: 0.02em;
}
.page-news__community-img {
  width: 100%;
  height: auto;
  max-width: 100%;
  border-radius: var(--pn-radius-md);
  object-fit: cover;
  display: block;
}

/* ========== 平板 600px+ ========== */
@media (min-width: 600px) {
  .page-news__wrap {
    padding: 20px 32px 80px;
  }
  .page-news__hero {
    flex-direction: row;
    align-items: center;
    padding: 32px 28px;
  }
  .page-news__hero-title {
    font-size: 2.6rem;
  }
  .page-news__hero-desc {
    font-size: 1rem;
  }
  .page-news__hero-visual {
    display: block;
    flex: 0 0 200px;
  }
  .page-news__masonry {
    column-count: 2;
  }
  .page-news__section-header {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
  }
  .page-news__section-title {
    font-size: 1.8rem;
  }
  .page-news__filter-bar {
    flex-shrink: 0;
  }
  .page-news__data-note-inner {
    flex-direction: row;
    align-items: center;
  }
  .page-news__data-content {
    flex: 1;
  }
  .page-news__data-visual {
    flex: 0 0 360px;
  }
  .page-news__community-card--wide {
    flex-direction: row;
    align-items: center;
  }
  .page-news__community-card--wide .page-news__community-img {
    width: 160px;
    height: 120px;
    flex-shrink: 0;
  }
}

/* ========== 桌面 960px+ ========== */
@media (min-width: 960px) {
  .page-news__wrap {
    padding: 28px 40px 100px;
  }
  .page-news__hero {
    padding: 44px 36px;
    gap: 32px;
  }
  .page-news__hero-title {
    font-size: 3.2rem;
  }
  .page-news__hero-visual {
    flex: 0 0 300px;
  }
  .page-news__hero-img {
    border-radius: var(--pn-radius-lg);
  }
  .page-news__masonry {
    column-count: 3;
    column-gap: 28px;
  }
  .page-news__card {
    padding: 24px 22px 20px;
  }
  .page-news__card-title {
    font-size: 1.12rem;
  }
  .page-news__section-title {
    font-size: 2rem;
  }
  .page-news__data-note {
    padding: 44px 36px;
  }
  .page-news__data-text {
    font-size: 0.96rem;
  }
  .page-news__data-visual {
    flex: 0 0 400px;
  }
  .page-news__community-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--pn-gap);
  }
  .page-news__community-card--wide {
    grid-column: 1 / -1;
    flex-direction: row;
  }
  .page-news__community-card--wide .page-news__community-img {
    width: 200px;
    height: 140px;
  }
}

/* ========== 大桌面 1280px+ ========== */
@media (min-width: 1280px) {
  .page-news__hero {
    padding: 56px 44px;
  }
  .page-news__hero-title {
    font-size: 3.6rem;
  }
  .page-news__hero-visual {
    flex: 0 0 380px;
  }
}

/* ---------- 交互占位：卡片可点击展开（无JS时完整显示） ---------- */
.page-news__card[data-expandable] {
  cursor: default;
}

/* ---------- 筛选隐藏（无JS时全部可见） ---------- */
@media (scripting: enabled) {
  .page-news__filter-btn[data-filter]:not([data-filter="all"]):not(.page-news__filter-btn--active) ~ .page-news__masonry .page-news__card[data-category] {
    /* 占位：JS 控制显示隐藏 */
  }
}

/* ---------- 打印优化 ---------- */
@media print {
  .page-news {
    background: #fff;
  }
  .page-news__card {
    break-inside: avoid;
    box-shadow: none;
    border: 1px solid #ddd;
  }
  .page-news__hero-visual {
    display: block;
    max-width: 40%;
  }
  .page-news__filter-bar {
    display: none;
  }
}

/* ---------- 减少运动 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-news__card,
  .page-news__community-card {
    transition: none;
  }
  .page-news__card:hover {
    transform: none;
  }
}

.page-news {
  --bar-h: 1rem;
  --h-op: 1;
}