.page-news {
  --news-aside-w: 340px;
}

.page-news [id] {
  scroll-margin-top: calc(var(--header-total) + 16px);
}

/* ===== 头条区 ===== */
.page-news .news-hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-dark-deep) 82%);
  color: var(--color-white);
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(240, 180, 41, 0.14) 0%, rgba(0, 194, 168, 0.06) 38%, transparent 72%);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 56px), 0 100%);
  pointer-events: none;
}

.page-news .news-hero .container {
  position: relative;
  padding-top: calc(var(--header-total) + 28px);
  padding-bottom: 56px;
}

.page-news .news-hero .breadcrumbs {
  margin-bottom: 18px;
}

.page-news .news-hero .breadcrumbs a {
  color: rgba(255, 255, 255, 0.72);
}

.page-news .news-hero .breadcrumbs a:hover {
  color: var(--color-gold);
}

.page-news .news-hero-status {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  margin-bottom: 24px;
  padding: 8px 12px;
  border: 1px solid var(--color-border-dark);
  background: rgba(255, 255, 255, 0.06);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.82);
}

.page-news .news-hero-status .status-dot--live {
  width: 8px;
  height: 8px;
}

.page-news .news-hero-kicker {
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.2em;
  color: var(--color-teal);
}

.page-news .news-hero h1 {
  margin: 0 0 16px;
  font-family: var(--font-heading);
  font-size: clamp(38px, 8vw, 64px);
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: 0.01em;
  color: var(--color-white);
}

.page-news .news-hero-lead {
  max-width: 56ch;
  margin: 0 0 20px;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.78);
}

.page-news .news-hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-news .news-hero .tag {
  border-width: 1px;
  border-style: solid;
}

.page-news .news-hero .tag--dark {
  border-color: rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.08);
  color: var(--color-white);
}

.page-news .news-hero-frame {
  margin: 28px 0 0;
}

.page-news .news-hero-frame img {
  display: block;
  width: 100%;
  height: auto;
}

/* ===== 动态主区 ===== */
.page-news .news-main {
  background: var(--color-bg-light);
}

.page-news .news-main .container {
  padding-top: 48px;
  padding-bottom: 64px;
}

.page-news .news-main-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 44px;
}

.page-news .news-section-head {
  margin-bottom: 28px;
  padding-left: 16px;
  border-left: 3px solid var(--color-gold);
}

.page-news .news-section-index {
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--color-text-secondary);
}

.page-news .news-section-head h2 {
  margin: 0 0 6px;
  font-family: var(--font-heading);
  font-size: 28px;
  font-weight: 900;
  color: var(--color-text);
}

.page-news .news-section-head > p:last-child {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--color-text-secondary);
}

.page-news .feed-group + .feed-group {
  margin-top: 44px;
}

.page-news .feed-group-title {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-border);
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 700;
  color: var(--color-text);
}

.page-news .feed-group-title .mono {
  color: var(--color-teal);
}

.page-news .feed-group-count {
  margin-left: auto;
  font-size: 12px;
  color: var(--color-text-secondary);
}

.page-news .news-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  padding: 18px;
  border: 1px solid var(--color-border);
  background: var(--color-white);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.page-news .news-item + .news-item {
  margin-top: 14px;
}

.page-news .news-item:hover {
  border-color: var(--color-gold);
  box-shadow: 0 8px 20px rgba(11, 31, 58, 0.08);
}

.page-news .news-item-media {
  order: -1;
}

.page-news .news-item-media img {
  display: block;
  width: 100%;
  height: auto;
}

.page-news .news-item-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.page-news .news-item-code {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--color-text-secondary);
}

.page-news a.tag {
  text-decoration: none;
}

.page-news a.tag:hover {
  filter: brightness(1.08);
}

.page-news .news-item h3 {
  margin: 0 0 8px;
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--color-text);
}

.page-news .news-item-summary {
  margin: 0 0 8px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--color-text-secondary);
}

.page-news .news-item-more {
  margin: 0 0 10px;
  font-size: 13px;
  color: var(--color-teal);
}

.page-news .news-item-more summary {
  list-style: none;
  cursor: pointer;
  font-weight: 700;
}

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

.page-news .news-item-more summary::before {
  content: "+ ";
  color: var(--color-gold);
}

.page-news .news-item-more[open] summary::before {
  content: "− ";
}

.page-news .news-item-more p {
  margin: 8px 0 0;
  padding-left: 10px;
  border-left: 2px solid var(--color-teal);
  font-size: 13px;
  line-height: 1.7;
  color: var(--color-text-secondary);
}

.page-news .news-item-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding-top: 10px;
  border-top: 1px dashed var(--color-border);
}

.page-news .news-item-time {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-text-secondary);
}

.page-news .news-item-link {
  padding-bottom: 2px;
  border-bottom: 2px solid var(--color-gold);
  font-size: 13px;
  font-weight: 700;
  color: var(--color-dark);
  text-decoration: none;
}

.page-news .news-item-link:hover {
  color: var(--color-gold-dark);
}

.page-news .news-aside {
  display: grid;
  gap: 20px;
  align-content: start;
}

.page-news .news-card {
  position: relative;
  padding: 20px;
  border: 1px solid var(--color-border);
  background: var(--color-white);
}

.page-news .news-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 44px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-gold), var(--color-teal));
}

.page-news .news-card-title {
  margin-bottom: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--color-text-secondary);
}

.page-news .news-card h2 {
  margin: 0 0 10px;
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 900;
  color: var(--color-text);
}

.page-news .news-card p {
  font-size: 13px;
  line-height: 1.75;
  color: var(--color-text-secondary);
}

.page-news .news-card-note {
  margin: 12px 0 0;
}

.page-news .news-cat-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .news-cat-list li + li {
  border-top: 1px solid var(--color-border);
}

.page-news .news-cat-list a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 4px;
  font-size: 14px;
  font-weight: 700;
  color: var(--color-text);
  text-decoration: none;
  transition: color 0.2s ease, padding-left 0.2s ease;
}

.page-news .news-cat-list a:hover {
  padding-left: 10px;
  color: var(--color-gold-dark);
}

.page-news .news-cat-index {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-teal);
}

.page-news .news-cat-name small {
  display: block;
  margin-top: 2px;
  font-size: 12px;
  font-weight: 400;
  line-height: 1.4;
  color: var(--color-text-secondary);
}

.page-news .news-cat-count {
  margin-left: auto;
  padding: 2px 6px;
  border: 1px solid var(--color-border);
  font-size: 12px;
  color: var(--color-text-secondary);
}

.page-news .news-stats-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .news-stat-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 30px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--color-dark);
}

.page-news .news-stats-list li:nth-child(2) .news-stat-num {
  color: var(--color-gold-dark);
}

.page-news .news-stats-list li:nth-child(3) .news-stat-num {
  color: var(--color-teal);
}

.page-news .news-stat-label {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  line-height: 1.5;
  color: var(--color-text-secondary);
}

.page-news .news-sub-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .news-sub-links .btn {
  text-decoration: none;
}

/* ===== 精选专题 ===== */
.page-news .news-feature {
  border-top: 4px solid var(--color-gold);
  background: var(--color-dark);
  color: var(--color-white);
}

.page-news .news-feature .container {
  padding-top: 56px;
  padding-bottom: 72px;
}

.page-news .news-section-head--feature {
  border-left-color: var(--color-teal);
}

.page-news .news-section-head--feature .news-section-index {
  color: var(--color-teal);
}

.page-news .news-section-head--feature h2 {
  color: var(--color-white);
}

.page-news .news-section-head--feature > p:last-child {
  color: rgba(255, 255, 255, 0.68);
}

.page-news .news-feature-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  margin-top: 32px;
}

.page-news .news-feature-frame img {
  display: block;
  width: 100%;
  height: auto;
}

.page-news .news-feature-note {
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--color-teal);
}

.page-news .news-series-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .news-series-item {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 14px;
  padding: 20px 0;
  border-bottom: 1px solid var(--color-border-dark);
}

.page-news .news-series-item:first-child {
  padding-top: 0;
}

.page-news .news-series-num {
  padding-top: 2px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--color-gold);
}

.page-news .news-series-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}

.page-news .news-series-item .news-item-time {
  color: rgba(255, 255, 255, 0.55);
}

.page-news .news-series-item h3 {
  margin: 0 0 6px;
  font-family: var(--font-heading);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--color-white);
}

.page-news .news-series-item p {
  margin: 0 0 10px;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.7);
}

.page-news .news-series-item .news-item-link {
  border-bottom-color: var(--color-teal);
  color: var(--color-teal);
}

.page-news .news-series-item .news-item-link:hover {
  border-bottom-color: var(--color-gold);
  color: var(--color-gold);
}

/* ===== 响应式 ===== */
@media (min-width: 640px) and (max-width: 899px) {
  .page-news .news-aside {
    grid-template-columns: 1fr 1fr;
  }

  .page-news .news-sub-card {
    grid-column: 1 / -1;
  }
}

@media (min-width: 900px) {
  .page-news .news-hero-grid {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 48px;
    align-items: center;
  }

  .page-news .news-hero-frame {
    margin: 0;
  }

  .page-news .news-main .container {
    padding-top: 56px;
  }

  .page-news .news-main-grid {
    grid-template-columns: minmax(0, 1fr) var(--news-aside-w);
    gap: 40px;
    align-items: start;
  }

  .page-news .news-aside {
    position: sticky;
    top: calc(var(--header-total) + 24px);
  }

  .page-news .news-item--media {
    grid-template-columns: 180px 1fr;
    align-items: start;
  }

  .page-news .news-item--media .news-item-media {
    order: 0;
  }

  .page-news .news-feature-grid {
    grid-template-columns: 300px 1fr;
    gap: 36px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news * {
    transition: none !important;
  }
}