/* ===== 品牌动态页专属样式 ===== */
.page-news {
  --news-color-accent: #FF6B35;
  --news-color-primary: #0A2E4D;
  --news-color-bg-light: #F2F4F6;
  --news-color-white: #FFFFFF;
  --news-color-text: #1C1C1E;
  --news-color-border: #C4C8CB;
  --news-color-secondary: #1E4D73;
  --news-radius-sm: 6px;
  --news-radius-md: 12px;
  --news-radius-lg: 20px;
  --news-shadow-card: 0 4px 16px rgba(10, 46, 77, 0.08);
  --news-shadow-hover: 0 8px 28px rgba(10, 46, 77, 0.16);
  --news-transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --news-font-heading: 'Helvetica Neue', Arial, sans-serif;
  --news-font-body: 'Inter', sans-serif;

  display: block;
  width: 100%;
  background-color: var(--news-color-white);
  color: var(--news-color-text);
  font-family: var(--news-font-body);
  line-height: 1.6;
}

.page-news-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.5rem 1rem 3rem;
  width: 100%;
  box-sizing: border-box;
}

/* 面包屑 */
.page-news .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 1.5rem;
  font-size: 0.85rem;
  color: var(--news-color-secondary);
}

.page-news .breadcrumb-link {
  color: var(--news-color-primary);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--news-transition);
}

.page-news .breadcrumb-link:hover,
.page-news .breadcrumb-link:focus-visible {
  color: var(--news-color-accent);
  outline: 2px solid var(--news-color-accent);
  outline-offset: 2px;
  border-radius: 2px;
}

.page-news .breadcrumb-sep {
  color: var(--news-color-border);
  user-select: none;
}

.page-news .breadcrumb-current {
  color: var(--news-color-text);
  font-weight: 600;
}

/* 页面标题区 */
.page-news .news-header {
  position: relative;
  margin-bottom: 2.8rem;
  padding-bottom: 1.2rem;
  border-bottom: 3px solid var(--news-color-accent);
}

.page-news .news-title {
  font-family: var(--news-font-heading);
  font-weight: 900;
  font-size: 2.4rem;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  color: var(--news-color-primary);
  margin: 0 0 0.4rem;
  line-height: 1.1;
}

.page-news .news-subtitle {
  font-size: 1.05rem;
  color: var(--news-color-secondary);
  max-width: 680px;
  margin: 0.5rem 0 0;
  line-height: 1.5;
}

.page-news .news-title-accent {
  display: block;
  width: 72px;
  height: 4px;
  background: linear-gradient(135deg, var(--news-color-accent), #FFA500);
  border-radius: 2px;
  margin-top: 0.8rem;
}

/* 通用区块 */
.page-news .news-section {
  margin-bottom: 3.5rem;
}

.page-news .section-head {
  margin-bottom: 1.8rem;
}

.page-news .section-heading {
  font-family: var(--news-font-heading);
  font-weight: 900;
  font-size: 1.6rem;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  color: var(--news-color-primary);
  margin: 0 0 0.4rem;
  position: relative;
  display: inline-block;
}

.page-news .section-heading::after {
  content: '';
  display: block;
  width: 48px;
  height: 3px;
  background: var(--news-color-accent);
  margin-top: 0.3rem;
  border-radius: 2px;
}

.page-news .section-heading.light {
  color: var(--news-color-white);
}

.page-news .section-heading.light::after {
  background: var(--news-color-accent);
}

.page-news .section-intro {
  font-size: 0.95rem;
  color: var(--news-color-secondary);
  margin: 0.6rem 0 0;
  max-width: 600px;
  line-height: 1.5;
}

.page-news .section-intro.light {
  color: rgba(255, 255, 255, 0.85);
}

.page-news .section-head-decor {
  margin: 0.6rem 0 0.2rem;
}

.page-news .decor-timeline {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: var(--news-radius-sm);
  object-fit: cover;
}

/* 卡片网格 */
.page-news .card-grid {
  display: grid;
  gap: 1.2rem;
}

.page-news .card-grid-3 {
  grid-template-columns: 1fr;
}

.page-news .card-grid-2 {
  grid-template-columns: 1fr;
}

/* 卡片 */
.page-news .card {
  background: var(--news-color-bg-light);
  border-radius: var(--news-radius-md);
  box-shadow: var(--news-shadow-card);
  border: 1px solid var(--news-color-border);
  transition: box-shadow var(--news-transition), border-color var(--news-transition);
  overflow: hidden;
}

.page-news .card:focus-within {
  box-shadow: var(--news-shadow-hover);
  border-color: var(--news-color-accent);
}

.page-news .card-toggle {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}

.page-news .card-inner {
  display: flex;
  flex-direction: column;
}

.page-news .card-clickarea {
  display: block;
  cursor: pointer;
  padding: 1.2rem 1.2rem 0.8rem;
  transition: background var(--news-transition);
  border-radius: var(--news-radius-md) var(--news-radius-md) 0 0;
}

.page-news .card-clickarea:hover {
  background: rgba(255, 107, 53, 0.04);
}

.page-news .card-clickarea:focus-visible {
  outline: 2px solid var(--news-color-accent);
  outline-offset: -2px;
  border-radius: var(--news-radius-md);
}

.page-news .card-preview {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  position: relative;
}

.page-news .card-icon {
  width: 50px;
  height: 50px;
  border-radius: var(--news-radius-sm);
  object-fit: cover;
  flex-shrink: 0;
  background: var(--news-color-white);
  border: 1px solid var(--news-color-border);
}

.page-news .card-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.2rem 0.7rem;
  border-radius: 20px;
  line-height: 1.4;
  align-self: flex-start;
}

.page-news .tag-accent {
  background: var(--news-color-accent);
  color: var(--news-color-white);
}

.page-news .tag-light {
  background: var(--news-color-primary);
  color: var(--news-color-white);
}

.page-news .tag-info {
  background: var(--news-color-secondary);
  color: var(--news-color-white);
}

.page-news .card-headline {
  font-family: var(--news-font-heading);
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  color: var(--news-color-primary);
  margin: 0.2rem 0 0;
  line-height: 1.3;
}

.page-news .card-summary {
  font-size: 0.88rem;
  color: var(--news-color-text);
  margin: 0;
  line-height: 1.5;
  opacity: 0.9;
}

.page-news .card-expand-hint {
  position: absolute;
  top: 0;
  right: 0;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--news-color-accent);
  transition: transform var(--news-transition);
  flex-shrink: 0;
}

.page-news .card-toggle:checked ~ .card-inner .card-expand-hint {
  transform: rotate(45deg);
}

/* 卡片详情 (展开部分) */
.page-news .card-detail {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.45s ease, padding 0.3s ease, opacity 0.3s ease;
  opacity: 0;
  padding: 0 1.2rem;
  background: var(--news-color-white);
  border-top: 1px solid transparent;
}

.page-news .card-toggle:checked ~ .card-inner .card-detail {
  max-height: 480px;
  opacity: 1;
  padding: 1rem 1.2rem 1.2rem;
  border-top-color: var(--news-color-border);
}

.page-news .card-detail p {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--news-color-text);
  margin: 0;
}

/* 平台动态区 */
.page-news .section-platform {
  background: var(--news-color-bg-light);
  padding: 1.8rem 1.2rem;
  border-radius: var(--news-radius-lg);
}

.page-news .section-platform .section-heading {
  color: var(--news-color-primary);
}

/* 行业观察区 */
.page-news .section-insights {
  background: var(--news-color-white);
}

.page-news .insights-banner-wrap {
  position: relative;
  border-radius: var(--news-radius-lg);
  overflow: hidden;
  margin-bottom: 1.8rem;
  min-height: 180px;
}

.page-news .insights-banner {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  min-height: 180px;
  object-fit: cover;
}

.page-news .insights-banner-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(10, 46, 77, 0.85) 30%, rgba(10, 46, 77, 0.4) 80%);
}

.page-news .insights-banner-text {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 1.5rem 2rem;
}

.page-news .insights-banner-text .section-heading {
  margin-bottom: 0.3rem;
}

.page-news .insights-banner-text .section-intro {
  font-size: 0.95rem;
}

/* 赛事资讯概览区 */
.page-news .section-event {
  background: var(--news-color-bg-light);
  padding: 1.8rem 1.2rem;
  border-radius: var(--news-radius-lg);
}

.page-news .event-layout {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.page-news .event-visual {
  flex-shrink: 0;
  display: flex;
  justify-content: center;
  align-items: center;
}

.page-news .event-chart {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: var(--news-radius-md);
  object-fit: contain;
  background: var(--news-color-white);
  border: 1px solid var(--news-color-border);
}

/* 内部链接区 */
.page-news .news-internal-links {
  margin-top: 3rem;
  padding: 1.5rem 1.2rem;
  background: var(--news-color-primary);
  border-radius: var(--news-radius-lg);
}

.page-news .internal-title {
  font-family: var(--news-font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  color: var(--news-color-white);
  margin: 0 0 1rem;
}

.page-news .internal-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem 1.5rem;
}

.page-news .internal-link {
  color: var(--news-color-accent);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.3rem 0;
  border-bottom: 2px solid transparent;
  transition: border-color var(--news-transition), color var(--news-transition);
}

.page-news .internal-link:hover,
.page-news .internal-link:focus-visible {
  border-bottom-color: var(--news-color-accent);
  color: #FFA500;
  outline: none;
}

.page-news .internal-link:focus-visible {
  outline: 2px solid var(--news-color-accent);
  outline-offset: 4px;
  border-radius: 2px;
}

/* ===== 响应式 ===== */
/* 480px 以上 */
@media (min-width: 480px) {
  .page-news-container {
    padding: 1.8rem 1.5rem 3rem;
  }

  .page-news .news-title {
    font-size: 2.8rem;
  }

  .page-news .card-grid-2 {
    grid-template-columns: 1fr 1fr;
  }

  .page-news .section-platform {
    padding: 2rem 1.5rem;
  }

  .page-news .section-event {
    padding: 2rem 1.5rem;
  }

  .page-news .event-layout {
    flex-direction: row;
    align-items: flex-start;
  }

  .page-news .event-visual {
    width: 300px;
    flex-shrink: 0;
  }

  .page-news .event-chart {
    width: 100%;
  }

  .page-news .internal-list {
    gap: 1rem 2rem;
  }
}

/* 768px 以上 */
@media (min-width: 768px) {
  .page-news-container {
    padding: 2rem 2rem 4rem;
  }

  .page-news .news-title {
    font-size: 3.2rem;
  }

  .page-news .news-subtitle {
    font-size: 1.15rem;
  }

  .page-news .card-grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-news .card-grid-2 {
    grid-template-columns: 1fr 1fr;
  }

  .page-news .section-heading {
    font-size: 1.8rem;
  }

  .page-news .section-platform {
    padding: 2.5rem 2rem;
  }

  .page-news .section-event {
    padding: 2.5rem 2rem;
  }

  .page-news .insights-banner-wrap {
    min-height: 200px;
  }

  .page-news .insights-banner-text {
    padding: 2rem 3rem;
  }
}

/* 1024px 以上 */
@media (min-width: 1024px) {
  .page-news-container {
    padding: 2.5rem 2.5rem 4.5rem;
  }

  .page-news .news-title {
    font-size: 3.6rem;
  }

  .page-news .card-grid-3 {
    gap: 1.5rem;
  }

  .page-news .card-grid-2 {
    gap: 1.5rem;
  }

  .page-news .section-platform {
    padding: 3rem 2.5rem;
  }

  .page-news .section-event {
    padding: 3rem 2.5rem;
  }

  .page-news .card-clickarea {
    padding: 1.5rem 1.5rem 1rem;
  }

  .page-news .card-detail {
    padding: 0 1.5rem;
  }

  .page-news .card-toggle:checked ~ .card-inner .card-detail {
    padding: 1.2rem 1.5rem 1.5rem;
  }

  .page-news .news-internal-links {
    padding: 2rem 2.5rem;
  }
}

/* 窄屏安全（防止溢出） */
@media (max-width: 359px) {
  .page-news-container {
    padding-left: 0.6rem;
    padding-right: 0.6rem;
  }

  .page-news .news-title {
    font-size: 1.8rem;
  }

  .page-news .card-clickarea {
    padding: 0.8rem 0.8rem 0.5rem;
  }

  .page-news .card-icon {
    width: 40px;
    height: 40px;
  }

  .page-news .card-headline {
    font-size: 0.95rem;
  }

  .page-news .section-platform {
    padding: 1rem 0.6rem;
  }

  .page-news .section-event {
    padding: 1rem 0.6rem;
  }

  .page-news .insights-banner-text {
    padding: 0.8rem 1rem;
  }

  .page-news .internal-list {
    flex-direction: column;
    gap: 0.5rem;
  }
}