/* ===== 内容专栏专用样式 ===== */
.page-news {
  --card-offset-y: 0;
  --card-grid-gap: 1.5rem;
  --section-spacing: 4rem;
  --featured-radius: 16px;
  --card-min-height: 280px;
  --diagonal-offset: 1.25rem;
}

/* 页面标题区 */
.page-news .page-heading {
  font-family: var(--font-heading);
  font-size: var(--h1);
  color: var(--color-primary);
  margin: 0 0 0.5rem;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.page-news .page-subtitle {
  font-family: var(--font-body);
  font-size: var(--body);
  color: var(--color-secondary-light);
  margin: 0 0 var(--section-spacing);
  max-width: 640px;
  line-height: 1.5;
}

/* 面包屑 */
.page-news .breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--small);
  font-family: var(--font-body);
  color: var(--color-text);
  opacity: 0.7;
  margin-bottom: 1.5rem;
  padding: 0.5rem 0;
}

.page-news .breadcrumb a {
  color: var(--color-secondary);
  text-decoration: none;
  transition: opacity var(--transition);
}

.page-news .breadcrumb a:hover {
  opacity: 0.8;
  text-decoration: underline;
}

.page-news .breadcrumb-separator {
  opacity: 0.4;
  user-select: none;
}

/* 通用区块 */
.page-news .content-section {
  margin-bottom: var(--section-spacing);
}

.page-news .section-title {
  font-family: var(--font-heading);
  font-size: var(--h2);
  color: var(--color-primary);
  margin: 0 0 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 3px solid var(--color-primary);
  display: inline-block;
  letter-spacing: -0.01em;
}

/* ===== 本月更新 ===== */
.page-news .featured-image-frame {
  border-radius: var(--featured-radius);
  overflow: hidden;
  margin-bottom: 2.5rem;
  box-shadow: var(--shadow);
  border: 1px solid var(--glass-border);
  position: relative;
}

.page-news .featured-img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 1200 / 400;
}

/* 卡片网格 — 对角线错落 */
.page-news .card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--card-grid-gap);
}

.page-news .news-card {
  display: flex;
  flex-direction: column;
  background: var(--glass-bg);
  backdrop-filter: blur(6px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  cursor: default;
  min-height: var(--card-min-height);
}

.page-news .news-card:hover {
  transform: translateY(-4px) scale(1.01);
  box-shadow: 0 8px 32px rgba(255, 107, 53, 0.18);
  border-color: var(--color-primary-light);
}

/* 对角线错落：第二张卡片下沉，第三张上浮 */
.page-news .news-card:nth-child(2) {
  margin-top: var(--diagonal-offset);
}

.page-news .news-card:nth-child(3) {
  margin-top: calc(-1 * var(--diagonal-offset) * 0.5);
}

.page-news .card-img-wrap {
  width: 100%;
  overflow: hidden;
  max-height: 200px;
}

.page-news .card-img-wrap img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 400 / 400;
}

.page-news .card-body {
  padding: 1.25rem 1.25rem 1.5rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.page-news .card-title {
  font-family: var(--font-heading);
  font-size: var(--h3);
  color: var(--color-primary);
  margin: 0 0 0.5rem;
  line-height: 1.2;
}

.page-news .card-summary {
  font-family: var(--font-body);
  font-size: var(--body);
  color: var(--color-text);
  margin: 0 0 0.75rem;
  line-height: 1.5;
  flex: 1;
}

.page-news .read-time {
  font-family: var(--font-body);
  font-size: var(--small);
  color: var(--color-secondary-light);
  opacity: 0.85;
  display: inline-block;
  margin-bottom: 0.5rem;
}

.page-news .card-detail {
  margin-top: 0.5rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--color-border);
  font-family: var(--font-body);
  font-size: var(--small);
  color: var(--color-text);
  opacity: 0.85;
  line-height: 1.5;
}

.page-news .card-detail p {
  margin: 0;
}

/* ===== 赛事球队库指南 ===== */
.page-news .guide-layout {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  align-items: flex-start;
}

.page-news .guide-text {
  flex: 1;
  max-width: 600px;
}

.page-news .guide-lead {
  font-family: var(--font-body);
  font-size: var(--body);
  color: var(--color-text);
  margin: 0 0 1rem;
  font-weight: 600;
  line-height: 1.5;
}

.page-news .guide-steps {
  font-family: var(--font-body);
  font-size: var(--body);
  color: var(--color-text);
  margin: 0 0 1.25rem;
  padding-left: 1.5rem;
  line-height: 1.8;
}

.page-news .guide-steps li {
  margin-bottom: 0.4rem;
}

.page-news .guide-note {
  font-family: var(--font-body);
  font-size: var(--small);
  color: var(--color-secondary-light);
  margin: 0 0 1.5rem;
  line-height: 1.5;
}

.page-news .btn-primary {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: var(--body);
  color: var(--color-text);
  background: var(--color-primary);
  padding: 0.75rem 1.75rem;
  border-radius: 999px;
  text-decoration: none;
  transition: box-shadow var(--transition), transform var(--transition), background var(--transition);
  border: none;
  cursor: pointer;
  text-align: center;
  font-weight: 700;
}

.page-news .btn-primary:hover {
  box-shadow: 0 0 20px rgba(255, 107, 53, 0.45);
  transform: scale(1.03);
  background: var(--color-primary-light);
}

.page-news .guide-image-wrap {
  width: 100%;
  max-width: 500px;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--glass-border);
  align-self: center;
}

.page-news .guide-phone-img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 500 / 500;
}

/* ===== 行业观察 ===== */
.page-news .insight-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--card-grid-gap);
}

.page-news .insight-card {
  display: flex;
  flex-direction: column;
  background: var(--glass-bg);
  backdrop-filter: blur(6px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  cursor: default;
  min-height: var(--card-min-height);
}

.page-news .insight-card:hover {
  transform: translateY(-4px) scale(1.01);
  box-shadow: 0 8px 32px rgba(30, 136, 229, 0.15);
  border-color: var(--color-secondary-light);
}

/* 行业观察卡片中的图标区 */
.page-news .insight-icon-wrap {
  width: 100%;
  overflow: hidden;
  max-height: 180px;
}

.page-news .insight-icon-wrap img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 300 / 300;
}

/* 第一个行业观察卡片左侧带图片，第二个纯文本 — 通过顺序控制 */
.page-news .insight-card:first-child .insight-icon-wrap {
  order: 0;
}

.page-news .insight-card:last-child .card-body {
  padding-top: 1.75rem;
}

/* ===== 桌面端 (>768px) ===== */
@media (min-width: 768px) {
  .page-news {
    --card-grid-gap: 2rem;
    --section-spacing: 5rem;
    --diagonal-offset: 1.75rem;
  }

  .page-news .page-heading {
    font-size: 3rem;
  }

  .page-news .page-subtitle {
    font-size: 1.125rem;
  }

  /* 本月更新 → 三列网格 */
  .page-news .card-grid {
    grid-template-columns: 1fr 1fr 1fr;
  }

  .page-news .news-card:nth-child(2) {
    margin-top: var(--diagonal-offset);
  }

  .page-news .news-card:nth-child(3) {
    margin-top: calc(-1 * var(--diagonal-offset) * 0.6);
  }

  /* 球队库指南 → 并排布局 */
  .page-news .guide-layout {
    flex-direction: row;
    align-items: center;
    gap: 3rem;
  }

  .page-news .guide-image-wrap {
    flex-shrink: 0;
    align-self: auto;
  }

  /* 行业观察 → 两列网格 */
  .page-news .insight-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-news .insight-card:first-child {
    margin-top: var(--diagonal-offset);
  }

  .page-news .insight-card:last-child {
    margin-top: calc(-1 * var(--diagonal-offset) * 0.4);
  }

  /* 卡片内图片比例微调 */
  .page-news .card-img-wrap {
    max-height: 220px;
  }

  .page-news .insight-icon-wrap {
    max-height: 200px;
  }
}

/* ===== 大桌面端 (>1024px) ===== */
@media (min-width: 1024px) {
  .page-news .card-grid {
    gap: 2.5rem;
  }

  .page-news .insight-grid {
    gap: 2.5rem;
  }

  .page-news .guide-layout {
    gap: 4rem;
  }

  .page-news .guide-text {
    max-width: 700px;
  }

  .page-news .featured-image-frame {
    margin-bottom: 3rem;
  }
}

/* ===== 确保窄屏不溢出 ===== */
@media (max-width: 480px) {
  .page-news {
    --card-grid-gap: 1rem;
    --section-spacing: 2.5rem;
    --diagonal-offset: 0.75rem;
  }

  .page-news .card-body {
    padding: 1rem 1rem 1.25rem;
  }

  .page-news .section-title {
    font-size: 1.375rem;
  }

  .page-news .page-heading {
    font-size: 1.75rem;
  }

  .page-news .featured-image-frame {
    border-radius: var(--radius);
  }
}