/* ============ page-news 专属样式 ============ */
.page-news {
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.65;
}

/* ---------- 页面引导与杂志头 ---------- */
.page-news .news-intro {
  padding-top: var(--space-xl);
}

.page-news .news-intro .breadcrumb {
  margin-bottom: var(--space-lg);
}

.page-news .news-masthead {
  display: grid;
  gap: var(--space-lg);
  padding-bottom: var(--space-xxl);
  border-bottom: 4px double var(--color-primary);
  position: relative;
}

.page-news .news-masthead-text h1 {
  font-family: var(--font-head);
  font-size: var(--font-h1);
  line-height: 1.3;
  color: var(--color-primary);
  margin: var(--space-md) 0 0;
  max-width: 18em;
}

.page-news .news-lede {
  color: var(--color-text-secondary);
  max-width: 46rem;
  margin: var(--space-md) 0 0;
  font-size: 1.05rem;
}

.page-news .news-stats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.page-news .stat-item {
  background: var(--color-white);
  border: 2px solid var(--color-primary);
  box-shadow: var(--shadow-hard);
  padding: var(--space-md) var(--space-lg);
  min-width: 6.5rem;
}

.page-news .stat-num {
  display: block;
  font-family: var(--font-head);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.2;
}

.page-news .stat-label {
  display: block;
  font-size: var(--font-small);
  color: var(--color-text-secondary);
  margin-top: var(--space-xs);
}

/* ---------- 通用区块标题 ---------- */
.page-news .section-head {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.page-news .section-head h2 {
  font-family: var(--font-head);
  font-size: var(--font-h2);
  font-weight: 700;
  color: var(--color-primary);
  margin: 0;
  border-left: 6px solid var(--color-gold);
  padding-left: var(--space-md);
}

.page-news .section-head .btn {
  align-self: flex-start;
}

/* ---------- 最新动态 ---------- */
.page-news .news-latest {
  padding-top: var(--space-xxl);
  padding-bottom: var(--space-xxl);
}

.page-news .latest-feature {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

.page-news .feature-card,
.page-news .side-card {
  background: var(--color-white);
  border: 2px solid var(--color-primary);
  box-shadow: var(--shadow-hard);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-news .feature-card img,
.page-news .side-card img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.page-news .feature-body,
.page-news .side-body {
  padding: var(--space-lg);
}

.page-news .feature-body h3,
.page-news .side-body h3 {
  font-family: var(--font-head);
  font-size: var(--font-h3);
  line-height: 1.4;
  color: var(--color-primary);
  margin: var(--space-sm) 0;
}

.page-news .feature-body h3 a,
.page-news .side-body h3 a {
  color: inherit;
  text-decoration: none;
}

.page-news .feature-body h3 a:hover,
.page-news .side-body h3 a:hover {
  color: var(--color-teal);
}

.page-news .feature-body > p:last-of-type:not(.post-date),
.page-news .side-body > p:last-of-type:not(.post-date) {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
}

.page-news .post-date {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--font-small);
  color: var(--color-text-secondary);
  margin: 0 0 var(--space-sm);
}

.page-news .post-date::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--color-teal);
  border-radius: 50%;
}

.page-news .latest-side {
  display: grid;
  gap: var(--space-lg);
  align-content: start;
}

/* ---------- 文章列表 ---------- */
.page-news .news-archive {
  background: var(--color-primary);
  background-image: radial-gradient(circle at 78% 10%, rgba(212, 175, 55, 0.16) 0, transparent 20rem);
  color: var(--color-white);
  padding-top: var(--space-xxl);
  padding-bottom: var(--space-xxl);
}

.page-news .news-archive .section-head h2 {
  color: var(--color-white);
  border-left-color: var(--color-gold);
}

.page-news .archive-note {
  color: rgba(255, 255, 255, 0.78);
  font-size: var(--font-small);
  margin: 0;
}

.page-news .news-listing {
  position: relative;
}

.page-news .filter-input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-news .filter-labels {
  display: flex;
  flex-wrap: nowrap;
  overflow-x: auto;
  gap: var(--space-sm);
  padding-bottom: var(--space-sm);
  margin-bottom: var(--space-lg);
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.page-news .filter-labels::-webkit-scrollbar {
  display: none;
}

.page-news .filter-title {
  display: block;
  flex: 0 0 auto;
  font-family: var(--font-head);
  font-weight: 700;
  letter-spacing: 0.12em;
  font-size: 0.875rem;
  color: var(--color-gold);
  text-transform: uppercase;
  align-self: center;
}

.page-news .filter-labels label {
  flex: 0 0 auto;
  border: 2px solid var(--color-gold);
  background: transparent;
  color: var(--color-gold);
  font-weight: 600;
  font-size: var(--font-small);
  padding: 0.5rem 0.875rem;
  cursor: pointer;
  border-radius: var(--radius);
  transition: background 0.25s ease, color 0.25s ease, box-shadow 0.25s ease;
  user-select: none;
}

.page-news .filter-labels label:hover {
  background: rgba(212, 175, 55, 0.18);
}

.page-news #f-all:checked ~ .filter-labels label[for="f-all"],
.page-news #f-service:checked ~ .filter-labels label[for="f-service"],
.page-news #f-feature:checked ~ .filter-labels label[for="f-feature"],
.page-news #f-help:checked ~ .filter-labels label[for="f-help"] {
  background: var(--color-gold);
  color: var(--color-primary);
  box-shadow: 3px 3px 0 rgba(0, 0, 0, 0.3);
}

.page-news #f-all:focus-visible ~ .filter-labels label[for="f-all"],
.page-news #f-service:focus-visible ~ .filter-labels label[for="f-service"],
.page-news #f-feature:focus-visible ~ .filter-labels label[for="f-feature"],
.page-news #f-help:focus-visible ~ .filter-labels label[for="f-help"] {
  outline: 3px solid var(--color-teal);
  outline-offset: 2px;
}

.page-news .article-list {
  display: grid;
  gap: var(--space-md);
}

.page-news .article-item {
  background: var(--color-white);
  border: 2px solid var(--color-gold);
  border-radius: var(--radius);
  box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.35);
  color: var(--color-text);
  padding: var(--space-lg);
  scroll-margin-top: 4rem;
}

.page-news .article-item:target {
  border-color: var(--color-teal);
  box-shadow: 6px 6px 0 rgba(0, 168, 168, 0.35);
}

.page-news .article-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-bottom: var(--space-sm);
}

.page-news .article-item h3 {
  font-family: var(--font-head);
  font-size: 1.25rem;
  line-height: 1.4;
  color: var(--color-primary);
  margin: 0 0 var(--space-sm);
}

.page-news .article-item > p {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  margin: 0 0 var(--space-md);
}

.page-news #f-service:checked ~ .article-list .article-item:not(.service),
.page-news #f-feature:checked ~ .article-list .article-item:not(.feature),
.page-news #f-help:checked ~ .article-list .article-item:not(.help) {
  display: none;
}

/* ---------- 折叠阅读 ---------- */
.page-news .article-more {
  border-left: 3px solid var(--color-gold);
  padding-left: var(--space-md);
}

.page-news .article-more summary {
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 700;
  font-size: 0.875rem;
  color: var(--color-primary);
  transition: color 0.25s ease;
  list-style: none;
}

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

.page-news .article-more summary::after {
  content: "+";
  display: inline-grid;
  place-items: center;
  width: 1.25rem;
  height: 1.25rem;
  background: var(--color-gold);
  color: var(--color-primary);
  font-weight: 700;
  border-radius: 50%;
  line-height: 1;
}

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

.page-news .article-more summary:hover {
  color: var(--color-teal);
}

.page-news .article-more[open] summary {
  color: var(--color-teal);
}

.page-news .article-more p {
  margin: var(--space-sm) 0 0;
  color: var(--color-text-secondary);
  line-height: 1.7;
  font-size: 0.9375rem;
}

/* ---------- 专题系列 ---------- */
.page-news .news-series {
  background: var(--color-white);
  padding-top: var(--space-xxl);
  padding-bottom: var(--space-xxl);
}

.page-news .series-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}

.page-news .series-main {
  display: grid;
  gap: var(--space-lg);
}

.page-news .series-banner {
  background: var(--color-bg);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hard);
  padding: var(--space-lg);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  align-items: center;
}

.page-news .series-banner img {
  width: 100%;
  height: auto;
  display: block;
  border: 2px solid var(--color-primary);
}

.page-news .series-banner h3 {
  font-family: var(--font-head);
  font-size: 1.375rem;
  color: var(--color-primary);
  margin: var(--space-sm) 0;
}

.page-news .series-banner p {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  margin: 0;
}

.page-news .series-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

.page-news .series-card {
  background: var(--color-white);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius);
  box-shadow: 4px 4px 0 var(--color-gold-light);
  padding: var(--space-lg);
  position: relative;
  overflow: hidden;
}

.page-news .series-card::before {
  content: "";
  display: block;
  width: 3rem;
  height: 3px;
  background: var(--color-teal);
  margin-bottom: var(--space-sm);
}

.page-news .series-index {
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-family: var(--font-head);
  font-size: 2.25rem;
  font-weight: 700;
  line-height: 1;
  color: var(--color-gold);
  opacity: 0.7;
}

.page-news .series-card h4 {
  font-family: var(--font-head);
  font-size: 1.125rem;
  line-height: 1.4;
  color: var(--color-primary);
  margin: 0 0 var(--space-sm);
}

.page-news .series-card p {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
}

.page-news .series-card a {
  color: var(--color-teal);
  font-weight: 700;
  font-size: 0.875rem;
  text-decoration: none;
  border-bottom: 2px solid var(--color-gold);
}

.page-news .series-card a:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.page-news .series-aside {
  background: var(--color-primary);
  border: 2px solid var(--color-gold);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hard);
  padding: var(--space-lg);
  color: var(--color-white);
}

.page-news .series-aside img {
  width: 100%;
  height: auto;
  display: block;
  border: 1px solid rgba(255, 255, 255, 0.3);
  background: var(--color-primary);
}

.page-news .series-aside p {
  margin: var(--space-md) 0 0;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.85);
}

/* ---------- 页内互链 ---------- */
.page-news .news-interlink {
  padding: var(--space-lg) 0 var(--space-xxl);
  text-align: center;
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
}

.page-news .news-interlink a {
  color: var(--color-primary);
  font-weight: 700;
  text-decoration: underline;
  text-decoration-color: var(--color-gold);
  text-underline-offset: 4px;
  transition: color 0.25s ease;
}

.page-news .news-interlink a:hover {
  color: var(--color-teal);
}

/* ---------- 中屏适配 ---------- */
@media (min-width: 768px) and (max-width: 1023.98px) {
  .page-news .news-masthead {
    grid-template-columns: 1fr 1fr;
    align-items: end;
  }

  .page-news .news-stats {
    justify-content: flex-end;
  }

  .page-news .latest-side {
    grid-template-columns: 1fr 1fr;
  }

  .page-news .series-grid {
    grid-template-columns: 1fr 1fr 1fr;
  }
}

/* ---------- 桌面版布局 ---------- */
@media (min-width: 1024px) {
  .page-news .news-masthead {
    grid-template-columns: 1fr auto;
    align-items: end;
  }

  .page-news .news-stats {
    justify-content: flex-end;
  }

  .page-news .section-head {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
  }

  .page-news .section-head .btn {
    flex-shrink: 0;
  }

  .page-news .latest-feature {
    grid-template-columns: 1.08fr 0.92fr;
  }

  .page-news .feature-card {
    grid-template-columns: 1fr 1fr;
  }

  .page-news .feature-card .feature-media {
    border-right: 2px solid var(--color-primary);
  }

  .page-news .feature-card .feature-media img {
    height: 100%;
    object-fit: cover;
    aspect-ratio: auto;
  }

  .page-news .side-card img {
    aspect-ratio: 2 / 1;
    object-fit: cover;
  }

  .page-news .filter-labels {
    flex-direction: column;
    align-items: stretch;
    overflow: visible;
    margin: 0;
    padding-right: var(--space-lg);
  }

  .page-news .news-listing {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: var(--space-xl);
    align-items: start;
  }

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

  .page-news .series-layout {
    grid-template-columns: 1.6fr 0.8fr;
    align-items: start;
  }

  .page-news .series-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-news .series-banner {
    grid-template-columns: 200px 1fr;
  }
}