/* ===== 文章中心页面专属样式 ===== */
.page-news {
  --news-accent-soft: rgba(255, 107, 44, 0.1);
  background: var(--c-bg);
}

/* ---------- 首屏标题区 ---------- */
.page-news .news-hero {
  position: relative;
  background: var(--c-primary);
  color: var(--c-white);
  padding: 40px 0 72px;
  overflow: hidden;
}
.page-news .news-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 46%;
  height: 100%;
  background: var(--c-primary-soft);
  clip-path: polygon(18% 0, 100% 0, 100% 100%, 0 100%);
}
.page-news .news-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 60%;
  height: 8px;
  background: var(--c-accent);
  clip-path: polygon(0 0, calc(100% - 48px) 0, 100% 100%, 0 100%);
}
.page-news .news-hero .breadcrumb {
  position: relative;
  z-index: 1;
}
.page-news .news-hero .breadcrumb-list {
  color: rgba(255, 255, 255, 0.7);
}
.page-news .news-hero .breadcrumb-item a {
  color: rgba(255, 255, 255, 0.85);
}
.page-news .news-hero .breadcrumb-item.breadcrumb-current {
  color: var(--c-accent);
}
.page-news .news-hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 32px;
  margin-top: 28px;
}
.page-news .news-hero-copy .eyebrow {
  color: var(--c-accent);
}
.page-news .news-hero-copy .display-title {
  font-size: clamp(2.4rem, 7vw, 5.2rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 12px 0 16px;
  max-width: 720px;
  font-weight: 900;
}
.page-news .news-hero-copy .lead {
  font-size: 18px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.85);
  max-width: 560px;
  font-weight: 300;
}
.page-news .hero-status-block {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.02em;
  color: var(--c-accent);
  margin-top: 20px;
}
.page-news .hero-status-block .status-dot {
  width: 10px;
  height: 10px;
  background: var(--c-accent);
  flex-shrink: 0;
}
.page-news .news-hero-aside {
  border-left: 1px solid rgba(255, 255, 255, 0.2);
  padding-left: 24px;
}
.page-news .hero-category-label {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 14px;
}
.page-news .hero-category-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.page-news .hero-category-links .tag {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.35);
  color: var(--c-white);
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 8px 14px;
}
.page-news .hero-category-links .tag-accent {
  border-color: var(--c-accent);
  color: var(--c-accent);
}

/* ---------- 主打文章 + 侧边栏 ---------- */
.page-news .news-featured {
  padding: 40px 0 24px;
}
.page-news .news-featured-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}
.page-news .featured-article {
  background: var(--c-white);
  border: 1px solid var(--c-line);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.page-news .featured-image {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
}
.page-news .featured-body {
  padding: 24px 20px 28px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.page-news .featured-meta-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}
.page-news .article-date-label {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--c-muted);
}
.page-news .featured-title {
  font-size: clamp(1.3rem, 3vw, 2rem);
  font-weight: 900;
  line-height: 1.25;
  margin: 10px 0 12px;
  color: var(--c-ink);
}
.page-news .featured-excerpt {
  color: var(--c-muted);
  font-size: 16px;
  line-height: 1.75;
  margin: 0 0 20px;
}
.page-news .featured-stats {
  display: flex;
  gap: 32px;
  width: 100%;
  margin: 0 0 20px;
  padding: 16px 0;
  border-top: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
}
.page-news .featured-stats .data-stat {
  display: flex;
  flex-direction: column;
}
.page-news .featured-stats .stat-value {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  color: var(--c-primary);
}
.page-news .featured-stats .stat-label {
  font-size: 13px;
  color: var(--c-muted);
}

/* ---------- 侧边栏 ---------- */
.page-news .news-sidebar {
  display: grid;
  gap: 20px;
  align-content: start;
}
.page-news .sidebar-block {
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-radius: 8px;
  box-shadow: var(--shadow-sm);
  padding: 20px;
}
.page-news .sidebar-title {
  font-size: 16px;
  font-weight: 900;
  margin: 0 0 14px;
  padding-bottom: 10px;
  border-bottom: 3px solid var(--c-primary);
  color: var(--c-ink);
}
.page-news .sidebar-category-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.page-news .sidebar-category-list li + li {
  border-top: 1px solid var(--c-line);
}
.page-news .sidebar-category-list a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 2px;
  text-decoration: none;
  color: var(--c-ink);
  font-weight: 600;
  transition: color 0.2s;
}
.page-news .sidebar-category-list a:hover {
  color: var(--c-accent);
}
.page-news .sidebar-category-list span {
  font-family: var(--font-mono);
  color: var(--c-muted);
  background: var(--c-bg);
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 13px;
}
.page-news .sidebar-hot-list {
  list-style: none;
  padding: 0;
  margin: 0;
  counter-reset: hot;
}
.page-news .sidebar-hot-list li {
  counter-increment: hot;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px solid var(--c-line);
}
.page-news .sidebar-hot-list li:last-child {
  border-bottom: 0;
}
.page-news .sidebar-hot-list li::before {
  content: counter(hot, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--c-accent);
  font-weight: 700;
  flex-shrink: 0;
}
.page-news .sidebar-hot-list a {
  text-decoration: none;
  color: var(--c-ink);
  font-size: 15px;
  line-height: 1.4;
  flex: 1;
  min-width: 0;
}
.page-news .sidebar-hot-list a:hover {
  color: var(--c-accent);
}
.page-news .hot-count {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--c-muted);
  flex-shrink: 0;
}
.page-news .sidebar-media-block {
  padding: 8px;
}
.page-news .sidebar-media-image {
  width: 100%;
  height: auto;
  border-radius: 4px;
  display: block;
}
.page-news .sidebar-cta {
  background: var(--c-primary);
  border: 1px solid var(--c-primary);
  color: var(--c-white);
  padding: 24px 20px;
  text-align: center;
  border-radius: 8px;
}
.page-news .sidebar-cta p {
  margin: 0 0 16px;
  font-weight: 600;
  font-size: 15px;
}
.page-news .sidebar-cta .btn-outline {
  border-color: var(--c-white);
  color: var(--c-white);
  background: transparent;
}

/* ---------- 专题文章全文 ---------- */
.page-news .news-full-guide {
  background: var(--c-white);
  padding: 56px 0;
}
.page-news .full-guide-inner {
  max-width: 720px;
}
.page-news .full-guide-inner .eyebrow {
  color: var(--c-accent);
}
.page-news .full-guide-inner .section-title {
  font-size: clamp(1.6rem, 3.6vw, 2.4rem);
  font-weight: 900;
  line-height: 1.25;
  margin: 8px 0 20px;
  color: var(--c-ink);
}
.page-news .full-guide-inner p {
  line-height: 1.8;
  color: var(--c-muted);
  font-size: 16px;
}
.page-news .research-board {
  background: var(--c-bg);
  border: 1px solid var(--c-line);
  border-left: 4px solid var(--c-accent);
  padding: 20px;
  margin: 24px 0;
}
.page-news .research-board .proof-list {
  list-style: none;
  padding: 0;
  margin: 12px 0 0;
  display: grid;
  gap: 8px;
}
.page-news .research-board .proof-list li {
  position: relative;
  padding-left: 18px;
  color: var(--c-ink);
  font-size: 15px;
  line-height: 1.6;
}
.page-news .research-board .proof-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  background: var(--c-accent);
  border-radius: 50%;
}
.page-news .term-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}
.page-news .term-chip-row .term-chip {
  font-family: var(--font-mono);
  font-size: 13px;
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-radius: 999px;
  padding: 6px 12px;
  color: var(--c-primary);
}
.page-news .full-guide-image {
  display: block;
  width: 100%;
  max-width: 400px;
  height: auto;
  border-radius: 8px;
  margin: 28px auto;
  box-shadow: var(--shadow-md);
}

/* ---------- 时间线文章列表 ---------- */
.page-news .news-timeline-section {
  background: var(--c-bg);
  padding: 56px 0 64px;
}
.page-news .timeline-header .eyebrow {
  color: var(--c-accent);
}
.page-news .timeline-header .section-title {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 900;
  margin: 8px 0;
  color: var(--c-ink);
}
.page-news .timeline-subtitle {
  color: var(--c-muted);
  margin: 0 0 28px;
  font-size: 16px;
}
.page-news .filter-radio {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.page-news .filter-labels {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 36px;
}
.page-news .filter-label {
  display: inline-block;
  padding: 8px 18px;
  font-family: var(--font-mono);
  font-size: 14px;
  border: 1px solid var(--c-line);
  border-radius: 999px;
  background: var(--c-white);
  color: var(--c-muted);
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
  user-select: none;
}
.page-news .filter-label:hover {
  border-color: var(--c-primary);
  color: var(--c-primary);
}
.page-news #filter-all:checked ~ .filter-labels label[for="filter-all"],
.page-news #filter-data:checked ~ .filter-labels label[for="filter-data"],
.page-news #filter-guide:checked ~ .filter-labels label[for="filter-guide"],
.page-news #filter-season:checked ~ .filter-labels label[for="filter-season"],
.page-news #filter-member:checked ~ .filter-labels label[for="filter-member"] {
  background: var(--c-primary);
  color: var(--c-white);
  border-color: var(--c-primary);
}
.page-news .timeline-list {
  position: relative;
}
.page-news .timeline-list::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background: var(--c-line);
}
.page-news .timeline-item {
  position: relative;
  display: flex;
  gap: 14px;
  padding-bottom: 28px;
}
.page-news .timeline-item:last-child {
  padding-bottom: 0;
}
.page-news .timeline-marker {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--c-white);
  border: 3px solid var(--c-accent);
  flex-shrink: 0;
  margin-top: 20px;
  position: relative;
  z-index: 1;
  box-shadow: 0 0 0 4px var(--c-bg);
  transition: background 0.2s, transform 0.2s;
}
.page-news .timeline-item:hover .timeline-marker {
  background: var(--c-accent);
  transform: scale(1.1);
}
.page-news .timeline-marker-meta {
  flex-shrink: 0;
  width: 64px;
  margin-top: 15px;
}
.page-news .timeline-date {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--c-accent);
  font-weight: 700;
  line-height: 1.4;
}
.page-news .timeline-card {
  flex: 1;
  min-width: 0;
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-radius: 8px;
  box-shadow: var(--shadow-sm);
  padding: 18px 20px;
  transition: box-shadow 0.2s, transform 0.2s;
}
.page-news .timeline-item:hover .timeline-card {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.page-news .timeline-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}
.page-news .timeline-read {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--c-muted);
}
.page-news .timeline-read strong {
  color: var(--c-primary);
  font-weight: 700;
}
.page-news .timeline-title {
  font-size: 18px;
  font-weight: 900;
  line-height: 1.4;
  margin: 6px 0 8px;
  color: var(--c-ink);
}
.page-news .timeline-excerpt {
  font-size: 15px;
  color: var(--c-muted);
  line-height: 1.7;
  margin: 0 0 12px;
}
.page-news .read-more {
  font-size: 14px;
}
.page-news .read-more summary {
  cursor: pointer;
  color: var(--c-accent);
  font-weight: 700;
  list-style: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 2px 8px;
  border-radius: 6px;
  transition: background 0.2s;
}
.page-news .read-more summary::-webkit-details-marker {
  display: none;
}
.page-news .read-more summary:hover {
  background: var(--news-accent-soft);
}
.page-news .read-more[open] summary {
  color: var(--c-primary);
}
.page-news .read-more .read-more-body {
  margin-top: 12px;
  padding: 12px 14px;
  background: var(--c-bg);
  border-left: 3px solid var(--c-accent);
  border-radius: 0 6px 6px 0;
  color: var(--c-ink);
  line-height: 1.75;
  font-size: 15px;
}
.page-news #filter-data:checked ~ .timeline-list .timeline-item:not([data-category="data"]),
.page-news #filter-guide:checked ~ .timeline-list .timeline-item:not([data-category="guide"]),
.page-news #filter-season:checked ~ .timeline-list .timeline-item:not([data-category="season"]),
.page-news #filter-member:checked ~ .timeline-list .timeline-item:not([data-category="member"]) {
  display: none;
}

/* ---------- 更新公告 ---------- */
.page-news .news-announcements {
  background: var(--c-primary);
  color: var(--c-white);
  padding: 56px 0 64px;
}
.page-news .announcement-grid {
  display: grid;
  gap: 32px;
}
.page-news .announcement-heading .eyebrow {
  color: var(--c-accent);
}
.page-news .announcement-heading .section-title {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 900;
  margin: 8px 0 12px;
}
.page-news .announcement-heading p:last-child {
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.7;
  margin: 0;
}
.page-news .announcement-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 16px;
}
.page-news .announcement-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  background: var(--c-primary-soft);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  padding: 18px 20px;
}
.page-news .announcement-date {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--c-accent);
  writing-mode: vertical-rl;
  letter-spacing: 0.1em;
  text-align: center;
}
.page-news .announcement-content h3 {
  font-size: 17px;
  font-weight: 900;
  margin: 0 0 6px;
  color: var(--c-white);
}
.page-news .announcement-content p {
  color: rgba(255, 255, 255, 0.75);
  font-size: 15px;
  line-height: 1.7;
  margin: 0 0 12px;
}
.page-news .announcement-status {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  border: 1px solid rgba(255, 255, 255, 0.4);
  color: var(--c-white);
}
.page-news .announcement-status.is-live {
  border-color: var(--c-green);
  color: var(--c-green);
}
.page-news .announcement-status.is-done {
  border-color: var(--c-accent);
  color: var(--c-accent);
}

/* ---------- 赛季回顾 ---------- */
.page-news .news-season-review {
  background: var(--c-white);
  padding: 56px 0 64px;
}
.page-news .season-review-grid {
  display: grid;
  gap: 36px;
  align-items: center;
}
.page-news .season-copy .eyebrow {
  color: var(--c-accent);
}
.page-news .season-copy .section-title {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 900;
  margin: 8px 0 16px;
  color: var(--c-ink);
}
.page-news .season-copy > p {
  color: var(--c-muted);
  line-height: 1.75;
  font-size: 16px;
  margin: 0;
}
.page-news .season-stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 28px 0;
}
.page-news .season-stat-item {
  background: var(--c-bg);
  border: 1px solid var(--c-line);
  border-radius: 8px;
  padding: 16px;
  text-align: center;
}
.page-news .season-stat-number {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  font-weight: 700;
  color: var(--c-primary);
  line-height: 1.2;
}
.page-news .season-stat-label {
  font-size: 13px;
  color: var(--c-muted);
  display: block;
  margin-top: 4px;
}
.page-news .season-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-news .season-media {
  order: -1;
}
.page-news .season-image {
  width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: var(--shadow-md);
  display: block;
}

/* ---------- 常用帮助文章 ---------- */
.page-news .news-help-links {
  background: var(--c-bg);
  padding: 56px 0 64px;
}
.page-news .news-help-links .eyebrow {
  color: var(--c-accent);
}
.page-news .news-help-links .section-title {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 900;
  margin: 8px 0 12px;
  color: var(--c-ink);
}
.page-news .help-intro {
  color: var(--c-muted);
  line-height: 1.7;
  margin: 0 0 28px;
  font-size: 16px;
}
.page-news .help-links-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-bottom: 32px;
}
.page-news .help-link-card {
  display: block;
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-left: 4px solid var(--c-primary);
  border-radius: 8px;
  padding: 20px;
  text-decoration: none;
  color: var(--c-ink);
  transition: transform 0.2s, box-shadow 0.2s, border-left-color 0.2s;
}
.page-news .help-link-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-left-color: var(--c-accent);
}
.page-news .help-card-index {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--c-accent);
  font-weight: 700;
  display: block;
  margin-bottom: 6px;
}
.page-news .help-link-card h3 {
  font-size: 17px;
  font-weight: 900;
  margin: 0 0 8px;
  color: var(--c-ink);
}
.page-news .help-link-card p {
  color: var(--c-muted);
  font-size: 15px;
  line-height: 1.6;
  margin: 0;
}
.page-news .help-more-btn {
  display: inline-flex;
}

/* ---------- 响应式 ---------- */
@media (min-width: 768px) {
  .page-news .news-hero {
    padding: 48px 0 88px;
  }
  .page-news .news-hero-inner {
    grid-template-columns: 3fr 2fr;
    gap: 40px;
  }
  .page-news .news-featured-layout {
    grid-template-columns: 2fr 1fr;
    gap: 28px;
    align-items: start;
  }
  .page-news .news-sidebar {
    position: sticky;
    top: 24px;
  }
  .page-news .help-links-grid {
    grid-template-columns: 1fr 1fr;
  }
  .page-news .season-review-grid {
    grid-template-columns: 1.2fr 0.8fr;
  }
  .page-news .season-media {
    order: 2;
  }
}

@media (min-width: 1024px) {
  .page-news .news-featured-layout {
    grid-template-columns: 8fr 4fr;
    gap: 32px;
  }
  .page-news .announcement-grid {
    grid-template-columns: 1fr 2fr;
    gap: 48px;
  }
  .page-news .help-links-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-news .timeline-item {
    gap: 20px;
  }
  .page-news .timeline-marker-meta {
    width: 72px;
  }
  .page-news .timeline-title {
    font-size: 19px;
  }
}