.page-news {
  background: var(--color-paper);
}

/* 封面区 */
.page-news .news-cover {
  position: relative;
  overflow: hidden;
  padding: clamp(28px, 5vw, 56px) 0 48px;
  background:
    radial-gradient(ellipse at 82% 18%, rgba(230, 57, 70, 0.42) 0%, rgba(230, 57, 70, 0) 48%),
    linear-gradient(135deg, var(--color-ink) 0%, var(--color-secondary) 72%, var(--color-primary) 140%);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 32px), 0 100%);
}
.page-news .news-cover::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(248, 249, 250, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(248, 249, 250, 0.07) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
}
.page-news .news-cover .container {
  position: relative;
  z-index: 1;
}
.page-news .news-cover .breadcrumb {
  margin-bottom: 36px;
  color: rgba(248, 249, 250, 0.6);
}
.page-news .news-cover .breadcrumb-link {
  color: inherit;
}
.page-news .news-cover .breadcrumb-current {
  color: var(--color-white);
}
.page-news .news-cover-grid {
  display: grid;
  gap: 32px;
}
.page-news .news-cover-kicker {
  display: inline-block;
  padding: 6px 16px;
  background: var(--color-primary);
  color: var(--color-white);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  transform: skewX(-14deg);
}
.page-news .news-cover h1 {
  margin: 20px 0 14px;
  font-family: var(--font-headline);
  font-size: clamp(2rem, 7vw, 3.6rem);
  line-height: 1.06;
  color: var(--color-white);
  letter-spacing: -0.01em;
}
.page-news .news-cover-lede {
  max-width: 46em;
  margin: 0 0 24px;
  color: rgba(248, 249, 250, 0.78);
  font-size: 1.0625rem;
  line-height: 1.8;
}
.page-news .news-cover-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-news .news-cover-routes {
  border: 1px solid rgba(248, 249, 250, 0.16);
  background: rgba(13, 27, 42, 0.52);
  padding: 20px;
  border-radius: var(--radius-md);
}
.page-news .news-cover-routes-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--color-steel);
  margin-bottom: 12px;
}
.page-news .news-cover-route-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}
.page-news .news-cover-route-link {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 10px 4px;
  border-bottom: 1px solid rgba(248, 249, 250, 0.08);
  color: rgba(248, 249, 250, 0.85);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.9375rem;
  transition: color var(--transition-fast), padding-left var(--transition-fast);
}
.page-news .news-cover-route-link:hover {
  color: var(--color-white);
  padding-left: 10px;
}
.page-news .news-route-num {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--color-primary);
}
.page-news .news-cover-route-link.is-active {
  color: var(--color-white);
}
.page-news .news-cover-route-link.is-active .news-route-num {
  color: var(--color-accent);
}
.page-news .news-cover-status {
  margin-top: 18px;
}

/* 通用章节 */
.page-news .news-section {
  padding: clamp(44px, 7vw, 84px) 0;
}
.page-news .news-section-head {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}
.page-news .news-section-head-left {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}
.page-news .news-section-index {
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 46px;
  height: 32px;
  padding: 0 8px;
  background: var(--color-primary);
  color: var(--color-white);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  transform: skewX(-14deg);
}
.page-news .news-section-index span {
  display: inline-block;
  transform: skewX(14deg);
}
.page-news .news-section-head h2 {
  margin: 0;
  font-family: var(--font-headline);
  font-size: clamp(1.5rem, 3vw, 2rem);
  line-height: 1.2;
  color: var(--color-ink);
}
.page-news .news-section-lede {
  margin: 6px 0 0;
  color: var(--color-steel);
  font-size: 0.9375rem;
  line-height: 1.6;
}
.page-news .news-section-more {
  margin-left: auto;
  align-self: center;
  color: var(--color-primary);
  font-weight: 700;
  font-size: 0.875rem;
  text-decoration: none;
}
.page-news .news-section-more::after {
  content: "→";
  margin-left: 4px;
}

/* 重点文章 */
.page-news .news-featured {
  background: var(--color-paper);
}
.page-news .news-featured-grid {
  display: grid;
  gap: 20px;
}
.page-news .news-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.page-news .news-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-deep);
}
.page-news .news-card-img {
  aspect-ratio: 2 / 1;
  display: block;
  overflow: hidden;
  background: linear-gradient(140deg, var(--color-secondary), var(--color-ink));
}
.page-news .news-card-body {
  padding: 22px;
}
.page-news .news-card-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.page-news .news-round-num {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-steel);
  background: var(--color-paper);
  border: 1px solid rgba(74, 107, 138, 0.2);
  border-radius: 999px;
  padding: 4px 12px;
  line-height: 1.4;
  white-space: nowrap;
}
.page-news .news-card h3 {
  margin: 0 0 10px;
  font-family: var(--font-headline);
  font-size: 1.125rem;
  line-height: 1.4;
  color: var(--color-ink);
}
.page-news .news-card--main h3 {
  font-size: clamp(1.25rem, 2.6vw, 1.625rem);
}
.page-news .news-card h3 a {
  color: inherit;
  text-decoration: none;
}
.page-news .news-card h3 a:hover {
  color: var(--color-primary);
}
.page-news .news-card-body p {
  margin: 0;
  color: var(--color-steel);
  font-size: 0.9375rem;
  line-height: 1.7;
}
.page-news .news-featured-side {
  display: grid;
  gap: 20px;
}
.page-news .news-card--side {
  padding: 22px;
  border-left: 3px solid var(--color-primary);
}
.page-news .news-card--side h3 {
  font-size: 1.0625rem;
}
.page-news .news-card--side p {
  margin: 0;
}

/* 标签 */
.page-news .news-tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-white);
  line-height: 1.5;
}
.page-news .news-tag--preview { background: var(--color-primary); }
.page-news .news-tag--recap { background: var(--color-secondary); }
.page-news .news-tag--data { background: var(--color-accent); }
.page-news .news-tag--update { background: var(--color-ink); }
.page-news .news-tag--guide { background: var(--color-warning); color: var(--color-ink); }

/* 栏目分类 */
.page-news .news-channels {
  position: relative;
  background: var(--color-secondary);
  overflow: hidden;
}
.page-news .news-channels::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(248, 249, 250, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(248, 249, 250, 0.05) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}
.page-news .news-channels .container {
  position: relative;
  z-index: 1;
}
.page-news .news-channels .news-section-head h2,
.page-news .news-collections .news-section-head h2 {
  color: var(--color-white);
}
.page-news .news-channels .news-section-lede,
.page-news .news-collections .news-section-lede {
  color: rgba(248, 249, 250, 0.68);
}
.page-news .news-channel-grid {
  display: grid;
  gap: 16px;
}
.page-news .news-channel-card {
  position: relative;
  padding: 22px 20px;
  background: rgba(13, 27, 42, 0.48);
  border: 1px solid rgba(248, 249, 250, 0.12);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), transform var(--transition-base);
}
.page-news .news-channel-card:hover {
  border-color: rgba(42, 157, 143, 0.8);
  transform: translateY(-3px);
}
.page-news .news-channel-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  margin-bottom: 14px;
  background: linear-gradient(120deg, var(--color-primary), #ff6b6b);
  color: var(--color-white);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.8125rem;
  transform: skewX(-14deg) rotate(-4deg);
}
.page-news .news-channel-card h3 {
  margin: 0 0 8px;
  font-family: var(--font-headline);
  font-size: 1rem;
  color: var(--color-white);
}
.page-news .news-channel-card p {
  margin: 0 0 14px;
  color: rgba(248, 249, 250, 0.68);
  font-size: 0.875rem;
  line-height: 1.65;
}
.page-news .news-channel-count {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-accent);
}

/* 文章列表 */
.page-news .news-article-stream {
  background: var(--color-white);
}
.page-news .news-filter {
  display: grid;
  gap: 24px;
}
.page-news .news-filter-input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
  clip: rect(0 0 0 0);
}
.page-news .news-filter-index {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}
.page-news .news-filter-title {
  width: 100%;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-steel);
  letter-spacing: 0.1em;
}
.page-news .news-filter-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background: var(--color-paper);
  border: 1px solid rgba(74, 107, 138, 0.24);
  border-radius: 999px;
  color: var(--color-ink);
  font-size: 0.8125rem;
  font-weight: 700;
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}
.page-news .news-filter-label span {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-steel);
}
.page-news .news-filter-label:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.page-news #channel-all:checked ~ .news-filter-index label[for="channel-all"],
.page-news #channel-preview:checked ~ .news-filter-index label[for="channel-preview"],
.page-news #channel-recap:checked ~ .news-filter-index label[for="channel-recap"],
.page-news #channel-data:checked ~ .news-filter-index label[for="channel-data"],
.page-news #channel-update:checked ~ .news-filter-index label[for="channel-update"],
.page-news #channel-guide:checked ~ .news-filter-index label[for="channel-guide"] {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
  box-shadow: 0 4px 12px rgba(230, 57, 70, 0.24);
}
.page-news #channel-all:checked ~ .news-filter-index label[for="channel-all"] span,
.page-news #channel-preview:checked ~ .news-filter-index label[for="channel-preview"] span,
.page-news #channel-recap:checked ~ .news-filter-index label[for="channel-recap"] span,
.page-news #channel-data:checked ~ .news-filter-index label[for="channel-data"] span,
.page-news #channel-update:checked ~ .news-filter-index label[for="channel-update"] span,
.page-news #channel-guide:checked ~ .news-filter-index label[for="channel-guide"] span {
  color: rgba(255, 255, 255, 0.9);
}
.page-news #channel-preview:checked ~ .news-filter-stream .news-item:not([data-channel="preview"]) { display: none; }
.page-news #channel-recap:checked ~ .news-filter-stream .news-item:not([data-channel="recap"]) { display: none; }
.page-news #channel-data:checked ~ .news-filter-stream .news-item:not([data-channel="data"]) { display: none; }
.page-news #channel-update:checked ~ .news-filter-stream .news-item:not([data-channel="update"]) { display: none; }
.page-news #channel-guide:checked ~ .news-filter-stream .news-item:not([data-channel="guide"]) { display: none; }

.page-news .news-filter-thumb {
  width: 160px;
  max-width: 100%;
  aspect-ratio: 4 / 3;
  margin-top: 4px;
  display: block;
  overflow: hidden;
  background: linear-gradient(140deg, var(--color-secondary), var(--color-ink));
  border-radius: var(--radius-sm);
}
.page-news .news-filter-note {
  margin: 12px 0 0;
  color: var(--color-steel);
  font-size: 0.8125rem;
  line-height: 1.6;
  max-width: 30em;
}

.page-news .news-filter-stream {
  display: grid;
  gap: 18px;
  align-content: start;
}
.page-news .news-item {
  display: grid;
  gap: 10px;
  position: relative;
  padding: 20px 18px;
  background: var(--color-paper);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), background var(--transition-fast);
}
.page-news .news-item:hover {
  border-color: rgba(230, 57, 70, 0.5);
  background: var(--color-paper);
}
.page-news .news-item-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.page-news .news-item-date {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-steel);
}
.page-news .news-item h3 {
  margin: 0;
  font-family: var(--font-headline);
  font-size: 1.0625rem;
  line-height: 1.5;
  color: var(--color-ink);
}
.page-news .news-item p {
  margin: 0;
  color: var(--color-steel);
  font-size: 0.906rem;
  line-height: 1.7;
}
.page-news .news-item p a {
  color: var(--color-primary);
  font-weight: 700;
  text-decoration: none;
}
.page-news .news-item p a:hover {
  text-decoration: underline;
}
.page-news .news-item-tags {
  display: flex;
  gap: 8px;
}

.page-news .news-item-img {
  aspect-ratio: 3 / 2;
  display: block;
  overflow: hidden;
  background: linear-gradient(140deg, var(--color-secondary), var(--color-ink));
  border-radius: var(--radius-sm);
  margin-top: 4px;
}

/* 展开更多 */
.page-news .news-more {
  margin-top: 6px;
  border: 1px dashed rgba(74, 107, 138, 0.4);
  border-radius: var(--radius-md);
  background: var(--color-white);
}
.page-news .news-more-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 20px;
  list-style: none;
  cursor: pointer;
  font-weight: 700;
  font-size: 0.9375rem;
  color: var(--color-ink);
}
.page-news .news-more-summary::-webkit-details-marker {
  display: none;
}
.page-news .news-more-icon {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  color: var(--color-primary);
  transition: transform var(--transition-fast);
}
.page-news .news-more[open] .news-more-icon {
  transform: rotate(45deg);
}
.page-news .news-more-links {
  display: grid;
  gap: 8px;
  padding: 0 20px 20px;
}
.page-news .news-more-links a {
  padding: 12px 14px;
  background: var(--color-paper);
  border-radius: var(--radius-sm);
  color: var(--color-primary);
  font-weight: 700;
  font-size: 0.875rem;
  text-decoration: none;
  transition: background var(--transition-fast);
}
.page-news .news-more-links a:hover {
  background: var(--color-white);
}

/* 专题合集 */
.page-news .news-collections {
  position: relative;
  background: var(--color-ink);
  overflow: hidden;
}
.page-news .news-collections::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(120deg, transparent 0%, transparent 38%, rgba(230, 57, 70, 0.16) 38%, rgba(230, 57, 70, 0) 56%),
    linear-gradient(rgba(248, 249, 250, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(248, 249, 250, 0.04) 1px, transparent 1px);
  background-size: auto, 36px 36px, 36px 36px;
  pointer-events: none;
}
.page-news .news-collections .container {
  position: relative;
  z-index: 1;
}
.page-news .news-collection-layout {
  display: grid;
  gap: 24px;
}
.page-news .news-collection-cover {
  aspect-ratio: 2 / 1;
  display: block;
  overflow: hidden;
  background: linear-gradient(140deg, var(--color-secondary), var(--color-ink));
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-deep);
}
.page-news .news-collection-grid {
  display: grid;
  gap: 16px;
}
.page-news .news-collection-card {
  padding: 24px;
  background: rgba(248, 249, 250, 0.06);
  border: 1px solid rgba(248, 249, 250, 0.12);
  border-radius: var(--radius-md);
  transition: transform var(--transition-base), border-color var(--transition-base);
}
.page-news .news-collection-card:hover {
  transform: translateY(-4px);
  border-color: rgba(42, 157, 143, 0.7);
}
.page-news .news-collection-code {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--color-accent);
}
.page-news .news-collection-card h3 {
  margin: 10px 0 10px;
  font-family: var(--font-headline);
  font-size: 1.125rem;
  color: var(--color-white);
}
.page-news .news-collection-card p {
  margin: 0 0 18px;
  color: rgba(248, 249, 250, 0.7);
  font-size: 0.906rem;
  line-height: 1.7;
}

/* 焦点可见 */
.page-news a:focus-visible,
.page-news .news-more-summary:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: 4px;
}

/* 平板及以上 */
@media (min-width: 680px) {
  .page-news .news-featured-grid {
    grid-template-columns: 1.4fr 1fr;
  }
  .page-news .news-featured-side {
    grid-template-rows: 1fr 1fr;
  }
  .page-news .news-channel-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-news .news-filter-stream {
    position: relative;
    padding-left: 24px;
    border-left: 1px solid rgba(74, 107, 138, 0.24);
  }
  .page-news .news-item::before {
    content: "";
    position: absolute;
    left: -31px;
    top: 24px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--color-paper);
    border: 2px solid var(--color-primary);
    z-index: 1;
  }
}

/* 桌面端 */
@media (min-width: 920px) {
  .page-news .news-cover {
    padding: 52px 0 76px;
  }
  .page-news .news-cover-grid {
    grid-template-columns: 1.55fr 1fr;
    align-items: end;
    gap: 48px;
  }
  .page-news .news-channel-grid {
    grid-template-columns: repeat(5, 1fr);
  }
  .page-news .news-filter {
    grid-template-columns: 240px 1fr;
    gap: 44px;
  }
  .page-news .news-filter-index {
    position: sticky;
    top: calc(var(--header-h) + 24px);
    display: grid;
    align-content: start;
    gap: 10px;
    max-height: calc(100vh - var(--header-h) - 48px);
    padding-right: 6px;
  }
  .page-news .news-filter-title {
    grid-column: 1 / -1;
  }
  .page-news .news-collection-layout {
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 40px;
  }
  .page-news .news-collection-grid {
    gap: 20px;
  }
}