/* ===== page-news 品牌动态页面专属样式 ===== */
.page-news {
  --section-spacing: 60px;
  --timeline-line-color: #FFD700;
  --timeline-node-size: 16px;
  --card-radius: 12px;
  --header-min-height: 240px;
}

/* 面包屑 */
.page-news .breadcrumb {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 24px 0;
  font-size: 14px;
  color: var(--color-white, #FFFFFF);
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.page-news .breadcrumb a {
  color: var(--color-accent, #FFD700);
  text-decoration: none;
  font-weight: 600;
  transition: opacity 0.2s;
}
.page-news .breadcrumb a:hover {
  opacity: 0.8;
}
.page-news .breadcrumb .sep {
  color: rgba(255, 255, 255, 0.4);
}
.page-news .breadcrumb [aria-current="page"] {
  color: var(--color-white, #FFFFFF);
  font-weight: 400;
}

/* 页面主标题区 */
.page-news .page-header {
  position: relative;
  background: var(--gradient-hero, linear-gradient(135deg, #0A1F3F, #004D9A));
  min-height: var(--header-min-height, 240px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 40px 24px 48px;
  margin-bottom: 0;
  overflow: hidden;
}
.page-news .page-header h1 {
  font-family: var(--font-heading, Impact, 'Arial Black', sans-serif);
  font-size: clamp(40px, 8vw, 72px);
  color: var(--color-white, #FFFFFF);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin: 0 0 8px;
  text-shadow: 0 4px 20px rgba(10, 31, 63, 0.5);
  position: relative;
  z-index: 1;
}
.page-news .page-header .subtitle {
  font-size: clamp(16px, 2.5vw, 22px);
  color: var(--color-accent, #FFD700);
  font-weight: 300;
  letter-spacing: 0.12em;
  margin: 0;
  position: relative;
  z-index: 1;
}
.page-news .header-deco {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: linear-gradient(90deg, var(--color-accent, #FFD700), var(--color-green, #00E676), var(--color-accent, #FFD700));
  opacity: 0.7;
}

/* 通用section布局 */
.page-news .section {
  padding: var(--section-spacing, 60px) 24px;
}
.page-news .content-container {
  max-width: 1200px;
  margin: 0 auto;
}
.page-news .section-title {
  font-family: var(--font-heading, Impact, 'Arial Black', sans-serif);
  font-size: clamp(28px, 5vw, 48px);
  color: var(--color-primary, #0A1F3F);
  margin: 0 0 8px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.page-news .section-desc {
  font-size: 16px;
  color: var(--color-text-dark, #2C3E50);
  opacity: 0.8;
  margin: 0 0 32px;
  max-width: 640px;
  line-height: 1.5;
}

/* 标签系统 */
.page-news .tag {
  display: inline-block;
  padding: 2px 12px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-radius: 4px;
  line-height: 1.6;
}
.page-news .tag-accent {
  background: var(--color-accent, #FFD700);
  color: var(--color-primary, #0A1F3F);
}
.page-news .tag-green {
  background: var(--color-green, #00E676);
  color: var(--color-primary, #0A1F3F);
}
.page-news .tag-outline {
  background: transparent;
  color: var(--color-accent, #FFD700);
  border: 1.5px solid var(--color-accent, #FFD700);
}

/* 平台公告区域 */
.page-news .section-announcements {
  background: var(--color-bg-light, #F5F7FA);
}
.page-news .announcement-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.page-news .announcement-card {
  background: var(--color-white, #FFFFFF);
  border-radius: var(--radius-card, 12px);
  overflow: hidden;
  border: 1px solid rgba(10, 31, 63, 0.08);
  transition: box-shadow 0.3s ease;
}
.page-news .announcement-card[open] {
  box-shadow: 0 8px 32px rgba(10, 31, 63, 0.12);
}
.page-news .announcement-card summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 24px;
  cursor: pointer;
  list-style: none;
  font-weight: 600;
  color: var(--color-primary, #0A1F3F);
  font-size: 16px;
  transition: background 0.2s;
}
.page-news .announcement-card summary::-webkit-details-marker {
  display: none;
}
.page-news .announcement-card summary:hover {
  background: rgba(255, 215, 0, 0.06);
}
.page-news .announcement-title {
  flex: 1;
  font-weight: 700;
}
.page-news .expand-icon {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-accent, #FFD700);
  transition: transform 0.3s ease;
  width: 24px;
  text-align: center;
}
.page-news .announcement-card[open] .expand-icon {
  transform: rotate(45deg);
}
.page-news .announcement-body {
  padding: 0 24px 24px;
  color: var(--color-text-dark, #2C3E50);
  font-size: 15px;
  line-height: 1.7;
}
.page-news .announcement-body p {
  margin: 12px 0 0;
}
.page-news .announce-bg {
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 12px;
}
.page-news .announce-bg img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

/* 赛后战报 - 时间轴区域 */
.page-news .section-reports {
  background: var(--color-primary, #0A1F3F);
  position: relative;
}
.page-news .section-reports .section-title {
  color: var(--color-white, #FFFFFF);
}
.page-news .section-reports .section-desc {
  color: rgba(255, 255, 255, 0.7);
}

/* 时间轴 */
.page-news .timeline {
  position: relative;
  padding-left: 32px;
}
.page-news .timeline::before {
  content: '';
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 8px;
  width: 3px;
  background: var(--timeline-line-color, #FFD700);
  border-radius: 2px;
  opacity: 0.6;
}
.page-news .timeline-item {
  position: relative;
  margin-bottom: 32px;
}
.page-news .timeline-item:last-child {
  margin-bottom: 0;
}
.page-news .timeline-node {
  position: absolute;
  left: -32px;
  top: 20px;
  width: var(--timeline-node-size, 16px);
  height: var(--timeline-node-size, 16px);
  border-radius: 50%;
  background: var(--color-accent, #FFD700);
  border: 3px solid var(--color-primary, #0A1F3F);
  box-shadow: 0 0 0 3px var(--color-accent, #FFD700);
  z-index: 1;
}
.page-news .timeline-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-card, 12px);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  cursor: default;
}
.page-news .timeline-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.3);
}
.page-news .report-thumb {
  width: 100%;
  overflow: hidden;
}
.page-news .report-thumb img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.page-news .timeline-card:hover .report-thumb img {
  transform: scale(1.03);
}
.page-news .card-content {
  padding: 16px 20px 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.page-news .card-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.page-news .card-round {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
  font-weight: 400;
}
.page-news .card-title {
  font-family: var(--font-heading, Impact, 'Arial Black', sans-serif);
  font-size: clamp(18px, 2.5vw, 24px);
  color: var(--color-white, #FFFFFF);
  margin: 0;
  line-height: 1.2;
}
.page-news .card-excerpt {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.6;
  margin: 0;
}
.page-news .read-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-accent, #FFD700);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: gap 0.2s;
  margin-top: 4px;
}
.page-news .read-more:hover,
.page-news .read-more:focus-visible {
  gap: 10px;
  color: var(--color-green, #00E676);
  outline: none;
}

/* section底部操作按钮 */
.page-news .section-action {
  margin-top: 32px;
  text-align: center;
}
.page-news .btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 28px;
  font-size: 15px;
  font-weight: 600;
  border-radius: 50px;
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
  border: 2px solid transparent;
}
.page-news .btn-outline {
  background: transparent;
  color: var(--color-accent, #FFD700);
  border-color: var(--color-accent, #FFD700);
}
.page-news .btn-outline:hover {
  background: var(--color-accent, #FFD700);
  color: var(--color-primary, #0A1F3F);
}
.page-news .section-reports .btn-outline {
  color: var(--color-accent, #FFD700);
  border-color: var(--color-accent, #FFD700);
}
.page-news .section-reports .btn-outline:hover {
  background: var(--color-accent, #FFD700);
  color: var(--color-primary, #0A1F3F);
}

/* 专家专栏区域 */
.page-news .section-experts {
  background: var(--color-bg-light, #F5F7FA);
}
.page-news .expert-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
.page-news .expert-card {
  background: var(--color-white, #FFFFFF);
  border-radius: var(--radius-card, 12px);
  padding: 24px;
  display: flex;
  align-items: flex-start;
  gap: 20px;
  border: 1px solid rgba(10, 31, 63, 0.06);
  transition: box-shadow 0.3s ease;
}
.page-news .expert-card:hover {
  box-shadow: 0 6px 24px rgba(10, 31, 63, 0.1);
}
.page-news .expert-avatar {
  flex-shrink: 0;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid var(--color-accent, #FFD700);
}
.page-news .expert-avatar img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}
.page-news .expert-info {
  flex: 1;
  min-width: 0;
}
.page-news .expert-name {
  font-family: var(--font-heading, Impact, 'Arial Black', sans-serif);
  font-size: 20px;
  color: var(--color-primary, #0A1F3F);
  margin: 0 0 4px;
}
.page-news .expert-bio {
  font-size: 14px;
  color: var(--color-text-dark, #2C3E50);
  line-height: 1.6;
  margin: 0 0 6px;
  opacity: 0.85;
}
.page-news .expert-article-count {
  font-size: 12px;
  color: var(--color-accent-soft, #FFC107);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* 内容目录区域 */
.page-news .section-directory {
  background: var(--color-primary, #0A1F3F);
  position: relative;
}
.page-news .section-directory .section-title {
  color: var(--color-white, #FFFFFF);
}
.page-news .section-directory .section-desc {
  color: rgba(255, 255, 255, 0.7);
}
.page-news .directory-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: start;
}
.page-news .directory-img {
  border-radius: var(--radius-card, 12px);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
}
.page-news .directory-img img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}
.page-news .directory-tree {
  background: rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-card, 12px);
  padding: 24px 20px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}
.page-news .tree-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-news .tree-item {
  margin: 0;
  padding: 0;
}
.page-news .tree-label {
  display: block;
  padding: 6px 12px;
  font-size: 15px;
  color: rgba(255, 255, 255, 0.9);
  border-radius: 4px;
  transition: background 0.2s;
  font-weight: 500;
}
.page-news .tree-root > .tree-label {
  font-family: var(--font-heading, Impact, 'Arial Black', sans-serif);
  font-size: 22px;
  color: var(--color-accent, #FFD700);
  padding: 8px 12px 12px;
  border-bottom: 2px solid rgba(255, 215, 0, 0.3);
  margin-bottom: 8px;
}
.page-news .tree-children {
  list-style: none;
  margin: 0 0 0 20px;
  padding: 0;
  border-left: 1.5px solid rgba(255, 215, 0, 0.2);
}
.page-news .tree-item .tree-children .tree-label {
  font-size: 14px;
  padding: 4px 12px;
  color: rgba(255, 255, 255, 0.75);
}
.page-news .tree-label:hover {
  background: rgba(255, 215, 0, 0.1);
  color: var(--color-accent, #FFD700);
}
.page-news .section-directory .btn-outline {
  color: var(--color-accent, #FFD700);
  border-color: var(--color-accent, #FFD700);
}
.page-news .section-directory .btn-outline:hover {
  background: var(--color-accent, #FFD700);
  color: var(--color-primary, #0A1F3F);
}

/* ===== 响应式：平板及以上 ===== */
@media (min-width: 768px) {
  .page-news {
    --section-spacing: 80px;
    --header-min-height: 300px;
  }
  .page-news .breadcrumb {
    padding: 20px 40px 0;
    font-size: 15px;
  }
  .page-news .page-header {
    padding: 56px 48px 64px;
  }
  .page-news .page-header h1 {
    font-size: 64px;
  }
  .page-news .section {
    padding: var(--section-spacing, 80px) 40px;
  }
  .page-news .section-desc {
    font-size: 17px;
    margin-bottom: 40px;
  }

  /* 公告卡片摘要 */
  .page-news .announcement-card summary {
    padding: 20px 28px;
    font-size: 17px;
  }
  .page-news .announcement-body {
    padding: 0 28px 28px;
    font-size: 16px;
  }

  /* 时间轴调整 */
  .page-news .timeline {
    padding-left: 48px;
  }
  .page-news .timeline::before {
    left: 11px;
  }
  .page-news .timeline-node {
    left: -48px;
    width: 20px;
    height: 20px;
    top: 28px;
  }
  .page-news .timeline-card {
    flex-direction: row;
  }
  .page-news .report-thumb {
    width: 280px;
    flex-shrink: 0;
  }
  .page-news .report-thumb img {
    height: 100%;
    object-fit: cover;
  }
  .page-news .card-content {
    padding: 20px 24px;
  }
  .page-news .card-title {
    font-size: 22px;
  }

  /* 专家网格 */
  .page-news .expert-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
  .page-news .expert-card {
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 28px 20px;
  }
  .page-news .expert-avatar {
    width: 96px;
    height: 96px;
  }
  .page-news .expert-name {
    font-size: 22px;
  }

  /* 目录双栏布局 */
  .page-news .directory-layout {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
  .page-news .directory-tree {
    padding: 28px 24px;
  }
  .page-news .tree-root > .tree-label {
    font-size: 26px;
  }
  .page-news .tree-label {
    font-size: 16px;
  }
}

/* ===== 桌面宽屏 ===== */
@media (min-width: 1024px) {
  .page-news {
    --section-spacing: 100px;
    --header-min-height: 360px;
  }
  .page-news .page-header h1 {
    font-size: 72px;
  }
  .page-news .page-header .subtitle {
    font-size: 20px;
  }
  .page-news .section {
    padding: var(--section-spacing, 100px) 48px;
  }
  .page-news .timeline-card {
    max-width: 860px;
  }
  .page-news .report-thumb {
    width: 320px;
  }
  .page-news .card-title {
    font-size: 24px;
  }
  .page-news .expert-grid {
    gap: 28px;
  }
  .page-news .announcement-list {
    max-width: 860px;
  }
}

/* ===== 小屏适配 ===== */
@media (max-width: 480px) {
  .page-news .breadcrumb {
    padding: 12px 16px 0;
    font-size: 13px;
  }
  .page-news .page-header {
    min-height: 180px;
    padding: 28px 16px 36px;
  }
  .page-news .section {
    padding: 40px 16px;
  }
  .page-news .section-title {
    font-size: 24px;
  }
  .page-news .announcement-card summary {
    padding: 14px 16px;
    font-size: 14px;
    flex-wrap: wrap;
  }
  .page-news .announcement-body {
    padding: 0 16px 18px;
    font-size: 14px;
  }
  .page-news .timeline {
    padding-left: 28px;
  }
  .page-news .timeline-node {
    left: -28px;
    width: 14px;
    height: 14px;
    top: 16px;
  }
  .page-news .card-content {
    padding: 12px 14px 16px;
  }
  .page-news .expert-card {
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 20px 16px;
  }
  .page-news .expert-avatar {
    width: 72px;
    height: 72px;
  }
  .page-news .directory-tree {
    padding: 16px 14px;
  }
  .page-news .tree-root > .tree-label {
    font-size: 18px;
  }
  .page-news .tree-children {
    margin-left: 12px;
  }
}

/* ===== 安全溢出与可读性 ===== */
.page-news img {
  max-width: 100%;
  height: auto;
}
.page-news .img-container {
  position: relative;
  overflow: hidden;
}
.page-news .section-reports .section-action {
  margin-top: 36px;
}
.page-news .section-experts .section-action {
  margin-top: 36px;
}
.page-news .section-directory .section-action {
  margin-top: 36px;
}

/* ===== 打印边框与纸张叠层（来自site-kit隐喻） ===== */
.page-news .print-border {
  border: 1px solid rgba(10, 31, 63, 0.08);
}
.page-news .paper-stack {
  box-shadow: 0 2px 8px rgba(10, 31, 63, 0.06), 0 0 0 1px rgba(255, 255, 255, 0.3) inset;
}
.page-news .section-reports .print-border {
  border-color: rgba(255, 255, 255, 0.12);
}
.page-news .section-reports .paper-stack {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2), 0 0 0 1px rgba(255, 255, 255, 0.06) inset;
}