.page-news {
  background: var(--c-bg);
  color: var(--c-text);
}

/* ---------- Hero 横幅 ---------- */
.page-news .news-hero {
  position: relative;
  border-bottom: 1px solid var(--c-border);
  padding: var(--space-4) 0 var(--space-5);
  background-image:
    linear-gradient(rgba(42, 79, 126, 0.18) 1px, transparent 1px),
    linear-gradient(90deg, rgba(42, 79, 126, 0.18) 1px, transparent 1px);
  background-size: 28px 28px;
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  inset-inline: 0;
  bottom: -1px;
  height: 2px;
  background: var(--c-accent);
}

.page-news .news-hero-inner {
  max-width: 960px;
}

.page-news .news-breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-size: 0.8125rem;
  margin-bottom: var(--space-3);
}

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

.page-news .news-breadcrumb a:hover {
  color: var(--c-accent);
}

.page-news .news-breadcrumb [aria-current="page"] {
  color: var(--c-text);
}

.page-news .breadcrumb-sep {
  color: var(--c-border);
  font-family: var(--font-mono);
}

.page-news .news-hero-eyebrow {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: var(--space-2);
}

.page-news .live-dot {
  width: 8px;
  height: 8px;
  display: inline-block;
  transform: rotate(45deg);
  background: var(--c-lime);
  box-shadow: 0 0 0 3px rgba(57, 255, 20, 0.15);
}

.page-news .news-hero h1 {
  font-size: clamp(2.4rem, 6vw, 4.5rem);
  line-height: 1.1;
  font-weight: 700;
  margin: 0 0 var(--space-3);
  letter-spacing: -0.02em;
}

.page-news .news-hero-desc {
  font-size: clamp(1rem, 2vw, 1.25rem);
  line-height: 1.7;
  color: var(--c-text-dim);
  max-width: 640px;
  margin: 0 0 var(--space-3);
}

.page-news .news-trust {
  margin: 0 0 var(--space-4);
  padding-left: var(--space-3);
  border-left: 2px solid var(--c-lime);
  color: var(--c-text-dim);
  font-size: 0.9375rem;
  line-height: 1.6;
  max-width: 640px;
}

.page-news .news-hero-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-2);
  margin: 0;
  padding: 0;
  max-width: 640px;
}

.page-news .hero-stat {
  border-left: 2px solid var(--c-border);
  padding-left: var(--space-2);
  min-width: 0;
}

.page-news .hero-stat-label {
  font-size: 0.75rem;
  color: var(--c-text-dim);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0;
}

.page-news .hero-stat-num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.5rem, 2.4vw, 2.25rem);
  color: var(--c-accent);
  margin-top: var(--space-1);
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
}

@media (min-width: 768px) {
  .page-news .news-hero-stats {
    grid-template-columns: repeat(4, 1fr);
    max-width: none;
  }
}

/* ---------- 杂志式主布局 ---------- */
.page-news .news-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-5) var(--space-4);
  padding-block: var(--space-5);
}

@media (min-width: 1024px) {
  .page-news .news-layout {
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: var(--space-5);
  }
}

.page-news .news-main {
  min-width: 0;
}

.page-news .news-section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-2);
  border-bottom: 2px solid var(--c-text);
  padding-bottom: var(--space-2);
  margin-bottom: var(--space-3);
}

.page-news .news-section-head h2 {
  font-size: clamp(1.4rem, 3vw, 2rem);
  line-height: 1.2;
  margin: 0;
}

.page-news .news-section-note {
  color: var(--c-text-dim);
  font-size: 0.875rem;
  margin: var(--space-1) 0 0;
}

.page-news .news-section-index {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.12em;
  color: var(--c-accent);
  white-space: nowrap;
}

/* ---------- 分类筛选 ---------- */
.page-news .news-filter-bar {
  display: flex;
  gap: var(--space-2);
  overflow-x: auto;
  padding-bottom: var(--space-1);
  margin-bottom: var(--space-4);
  scrollbar-width: thin;
}

.page-news .filter-chip {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.875rem;
  font-family: var(--font-sans);
  color: var(--c-text-dim);
  background: transparent;
  border: 1px solid var(--c-border);
  padding: 6px 12px;
  margin: 0;
  cursor: pointer;
  transition: border-color var(--transition), color var(--transition), background var(--transition);
}

.page-news .filter-chip:hover {
  color: var(--c-text);
  border-color: var(--c-accent);
}

.page-news .filter-chip.is-active {
  background: var(--c-accent);
  border-color: var(--c-accent);
  color: var(--c-bg);
  font-weight: 700;
}

.page-news .filter-count {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: inherit;
  opacity: 0.75;
}

/* ---------- 文章卡片 ---------- */
.page-news .news-article {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
  border-bottom: 1px solid var(--c-border);
  padding-bottom: var(--space-4);
  margin-bottom: var(--space-4);
  position: relative;
}

@media (min-width: 768px) {
  .page-news .news-article {
    grid-template-columns: 32px minmax(220px, 300px) minmax(0, 1fr);
    gap: var(--space-3);
  }

  .page-news .article-index {
    padding-top: 4px;
  }
}

.page-news .article-index {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--c-accent);
}

.page-news .article-thumb {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  overflow: hidden;
}

.page-news .article-thumb img {
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
  transition: transform 400ms ease-out, opacity var(--transition);
}

.page-news .news-article:hover .article-thumb img {
  transform: scale(1.02);
  opacity: 0.92;
}

.page-news .article-content {
  min-width: 0;
}

.page-news .article-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-1);
  margin-bottom: var(--space-1);
  font-size: 0.8125rem;
}

.page-news .category-dot {
  width: 7px;
  height: 7px;
  display: inline-block;
  transform: rotate(45deg);
  flex-shrink: 0;
}

.page-news .dot-all {
  background: linear-gradient(135deg, var(--c-accent) 0 50%, var(--c-lime) 50% 100%);
}

.page-news .dot-basketball {
  background: var(--c-accent);
}

.page-news .dot-track {
  background: var(--c-lime);
}

.page-news .dot-viz {
  background: var(--c-text);
}

.page-news .dot-governance {
  background: var(--c-text-dim);
}

.page-news .article-category {
  color: var(--c-accent);
  font-weight: 700;
}

.page-news .article-date {
  color: var(--c-text-dim);
}

.page-news .article-date::before {
  content: "/";
  margin-right: var(--space-1);
  color: var(--c-border);
}

.page-news .article-content h3 {
  font-size: clamp(1.2rem, 2vw, 1.6rem);
  line-height: 1.35;
  margin: 0 0 var(--space-2);
  letter-spacing: -0.01em;
}

.page-news .article-summary {
  color: var(--c-text-dim);
  margin: 0 0 var(--space-2);
}

.page-news .article-details {
  border-top: 1px dashed var(--c-border);
  padding-top: var(--space-1);
}

.page-news .article-details summary {
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--c-accent);
  list-style: none;
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  transition: color var(--transition);
}

.page-news .article-details summary::-webkit-details-marker {
  display: none;
}

.page-news .article-details summary:hover {
  color: var(--c-accent-dark);
}

.page-news .article-details summary::after {
  content: "＋";
  font-size: 0.875rem;
  line-height: 1;
}

.page-news .article-details[open] summary::after {
  content: "－";
}

.page-news .article-details p {
  margin: var(--space-2) 0 0;
  color: var(--c-text-dim);
  font-size: 0.9375rem;
  line-height: 1.7;
  border-left: 2px solid var(--c-accent);
  padding-left: var(--space-2);
}

/* ---------- 归档提示 ---------- */
.page-news .news-archive-note {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  background: #F0F4F8;
  color: var(--c-bg);
  padding: var(--space-3);
  border-left: 4px solid var(--c-accent);
}

.page-news .news-archive-note p {
  margin: 0;
  font-weight: 700;
  line-height: 1.6;
  flex: 1 1 260px;
}

.page-news .news-archive-actions {
  flex-shrink: 0;
}

/* ---------- 侧栏 ---------- */
.page-news .news-side {
  display: grid;
  gap: var(--space-4);
  align-content: start;
  min-width: 0;
}

.page-news .side-panel {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  padding: var(--space-3);
}

@media (min-width: 1024px) {
  .page-news .side-panel {
    padding: var(--space-4);
  }
}

.page-news .side-panel-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-2);
  border-bottom: 2px solid var(--c-border);
  padding-bottom: var(--space-2);
  margin-bottom: var(--space-2);
}

.page-news .changelog-panel .side-panel-head {
  border-bottom-color: var(--c-accent);
}

.page-news .side-panel-head h2 {
  font-size: 1.2rem;
  line-height: 1.3;
  margin: 0;
}

.page-news .side-panel-index {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--c-accent);
  letter-spacing: 0.1em;
}

.page-news .side-panel-desc {
  font-size: 0.875rem;
  color: var(--c-text-dim);
  margin: 0 0 var(--space-3);
  line-height: 1.6;
}

/* ---------- 分类浏览 ---------- */
.page-news .category-browse-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .category-browse-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  width: 100%;
  background: none;
  border: 0;
  border-bottom: 1px solid var(--c-border);
  padding: var(--space-2) 0;
  font: inherit;
  color: var(--c-text);
  cursor: pointer;
  text-align: left;
  transition: color var(--transition), padding-left var(--transition);
}

.page-news .category-browse-item:last-child {
  border-bottom-color: transparent;
}

.page-news .category-browse-item:hover {
  color: var(--c-accent);
  padding-left: var(--space-1);
}

.page-news .category-name {
  flex: 1 1 auto;
}

.page-news .category-count {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--c-text-dim);
}

/* ---------- 更新日志时间线 ---------- */
.page-news .changelog-list {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}

.page-news .changelog-list::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: var(--c-border);
}

.page-news .changelog-item {
  position: relative;
  padding-left: 24px;
  margin-bottom: var(--space-3);
}

.page-news .changelog-marker {
  position: absolute;
  left: 0;
  top: 6px;
  width: 9px;
  height: 9px;
  transform: rotate(45deg);
  background: var(--c-accent);
  z-index: 1;
}

.page-news .changelog-item:nth-child(even) .changelog-marker {
  background: var(--c-lime);
}

.page-news .changelog-time {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--c-accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  display: block;
  margin-bottom: 4px;
}

.page-news .changelog-body h3 {
  font-size: 1rem;
  line-height: 1.35;
  margin: 0 0 6px;
}

.page-news .changelog-body p {
  font-size: 0.875rem;
  color: var(--c-text-dim);
  margin: 0;
  line-height: 1.6;
}

/* ---------- 延伸导航 ---------- */
.page-news .help-links {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-1);
}

.page-news .help-links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--c-text);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.9375rem;
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--c-border);
  transition: color var(--transition), border-color var(--transition);
}

.page-news .help-links a::after {
  content: "→";
  font-family: var(--font-mono);
  color: var(--c-accent);
  transition: transform var(--transition);
}

.page-news .help-links a:hover {
  color: var(--c-accent);
  border-color: var(--c-accent);
}

.page-news .help-links a:hover::after {
  transform: translateX(4px);
}

/* ---------- 移动端布局微调 ---------- */
@media (max-width: 767px) {
  .page-news .news-hero {
    padding-top: var(--space-3);
  }

  .page-news .news-article {
    gap: var(--space-2);
  }

  .page-news .article-content h3 {
    font-size: 1.2rem;
  }

  .page-news .news-filter-bar {
    margin-inline: calc(-1 * var(--space-2));
    padding-inline: var(--space-2);
  }
}