.page-news {
  --news-gold: var(--gold);
  --news-red: var(--red);
  --news-card: var(--card-blue);
  --news-line: var(--line-blue);

  max-width: var(--container-w);
  margin: 0 auto;
  padding: var(--body-top) var(--space-2) 0;
  color: var(--gray-blue);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: var(--line-h);
  overflow-x: hidden;
}

/* 面包屑 */
.page-news__breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.375rem;
  margin-bottom: var(--space-3);
  font-size: var(--fs-small);
  color: var(--gray-blue);
}

.page-news__breadcrumb a {
  color: var(--gray-blue);
  text-decoration: none;
  border-bottom: 1px solid var(--line-blue);
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.page-news__breadcrumb a:hover {
  color: var(--gold);
  border-color: var(--gold);
}

/* 期刊报头 */
.page-news__masthead {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-4) 0 var(--space-3);
  border-top: 2px solid var(--gold);
  border-bottom: 1px solid var(--line-blue);
  overflow: hidden;
}

.page-news__masthead::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--line-blue) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-blue) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: 0.22;
  z-index: 0;
}

.page-news__masthead > * {
  position: relative;
  z-index: 1;
}

.page-news__edition {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--fs-subtitle);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0;
}

.page-news__edition-num {
  font-size: var(--fs-index);
  line-height: 0.9;
  color: var(--cream);
  opacity: 0.9;
}

.page-news__title {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 900;
  font-size: clamp(2.2rem, 6vw, 4.25rem);
  line-height: 1.05;
  margin: 0;
  color: var(--cream);
}

.page-news__title-sub {
  display: block;
  color: var(--gold);
  font-size: 0.6em;
  font-weight: 700;
  margin-top: 0.5rem;
}

.page-news__intro {
  max-width: 46em;
  margin: var(--space-2) 0 0;
}

.page-news__meta-line {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  font-size: var(--fs-label);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--gray-blue);
  border-top: 1px solid var(--line-blue);
  padding-top: var(--space-2);
}

.page-news__meta-line span {
  border-left: 2px solid var(--gold);
  padding-left: 0.5rem;
}

/* 目录索引 */
.page-news__toc {
  display: grid;
  gap: var(--space-1);
  margin: var(--space-4) 0 var(--space-5);
  border: 1px solid var(--line-blue);
  padding: var(--space-1);
  background: rgba(16, 32, 58, 0.55);
}

.page-news__toc-link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2);
  text-decoration: none;
  color: var(--cream);
  font-family: var(--font-display);
  font-size: var(--fs-subtitle);
  border-left: 2px solid transparent;
  transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.page-news__toc-link:hover {
  border-left-color: var(--gold);
  background: var(--card-blue);
  color: var(--gold);
}

.page-news__toc-num {
  font-style: italic;
  font-size: var(--fs-title);
  line-height: 1;
  color: var(--gold);
}

/* 章节头 */
.page-news__section-head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--line-blue);
}

.page-news__section-head .index-num {
  color: var(--gold);
  line-height: 1;
}

.page-news__section-title {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 800;
  font-size: var(--fs-title);
  line-height: 1.1;
  color: var(--cream);
  margin: 0;
}

/* 本期报告 */
.page-news__report {
  margin-bottom: var(--space-5);
}

.page-news__feature {
  display: grid;
  gap: var(--space-3);
  border: 1px solid var(--line-blue);
  background: var(--card-blue);
  padding: var(--space-2);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.page-news__feature:hover {
  border-color: var(--gold);
  box-shadow: var(--shadow-card);
}

.page-news__feature-fig {
  margin: 0;
  border: 1px solid var(--line-blue);
}

.page-news__feature-fig img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news__feature-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.page-news__feature-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
}

.page-news__feature-title {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 800;
  font-size: clamp(1.5rem, 3.2vw, 2.1rem);
  line-height: 1.2;
  margin: 0;
  color: var(--cream);
}

.page-news__feature-text {
  margin: 0;
  max-width: 34em;
}

.page-news__feature-text strong {
  color: var(--gold);
}

.page-news__feature-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-2);
  margin: var(--space-2) 0 0;
  padding: var(--space-2) 0 0;
  border-top: 1px solid var(--line-blue);
}

.page-news__stat dt {
  font-size: var(--fs-label);
  color: var(--gray-blue);
  letter-spacing: 0.04em;
}

.page-news__stat dd {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 800;
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  line-height: 1.1;
  margin: 0.25rem 0 0;
  color: var(--gold);
}

.page-news__feature-meta {
  margin: var(--space-1) 0 0;
  font-size: var(--fs-label);
  letter-spacing: 0.04em;
}

.page-news__feature-body .btn {
  align-self: flex-start;
  margin-top: var(--space-1);
}

/* 文章列表 */
.page-news__list {
  margin-bottom: var(--space-5);
}

.page-news__list-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  margin-bottom: var(--space-3);
}

.page-news__articles {
  border-top: 1px solid var(--line-blue);
}

.page-news__article {
  display: grid;
  grid-template-columns: 2.75rem 1fr;
  gap: var(--space-1) var(--space-2);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--line-blue);
  transition: background-color var(--transition-fast);
}

.page-news__article:hover {
  background-color: rgba(16, 32, 58, 0.35);
}

.page-news__article-num {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 800;
  font-size: var(--fs-title);
  line-height: 1;
  color: var(--gold);
}

.page-news__article-main {
  display: grid;
  gap: var(--space-2);
}

.page-news__article-fig {
  max-width: 200px;
  margin: 0;
  border: 1px solid var(--line-blue);
}

.page-news__article-fig img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news__article-copy {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.page-news__article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
}

.page-news__article-title {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 700;
  font-size: 1.25rem;
  line-height: 1.25;
  color: var(--cream);
  margin: 0;
  transition: color var(--transition-fast);
}

.page-news__article:hover .page-news__article-title {
  color: var(--gold);
}

.page-news__article-text {
  margin: 0;
  max-width: 38em;
}

.page-news__article-meta {
  margin: 0;
  font-size: var(--fs-label);
  letter-spacing: 0.04em;
}

/* 折叠文章 */
.page-news__article--expand {
  display: block;
}

.page-news__article--expand summary {
  display: grid;
  grid-template-columns: 2.75rem 1fr auto;
  gap: var(--space-2);
  align-items: center;
  cursor: pointer;
  list-style: none;
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--line-blue);
  transition: border-color var(--transition-fast);
}

.page-news__article--expand summary::-webkit-details-marker {
  display: none;
}

.page-news__article--expand summary:hover {
  border-color: var(--gold);
}

.page-news__article-head {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.page-news__article-arrow {
  font-family: var(--font-display);
  font-size: 1.5rem;
  line-height: 1;
  color: var(--gold);
  transition: transform var(--transition-fast);
}

.page-news__article--expand[open] .page-news__article-arrow {
  transform: rotate(45deg);
}

.page-news__article-body {
  padding: var(--space-2) 0 var(--space-3) 3.75rem;
  max-width: 42em;
}

/* 专题汇总 */
.page-news__topics {
  margin-bottom: var(--space-5);
}

.page-news__topic-grid {
  display: grid;
  gap: var(--space-3);
}

.page-news__topic {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line-blue);
  background: var(--card-blue);
  padding: var(--space-2);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.page-news__topic:hover {
  border-color: var(--gold);
  box-shadow: var(--shadow-card);
}

.page-news__topic-eyebrow {
  font-size: var(--fs-label);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: var(--space-1);
}

.page-news__topic-fig {
  margin: 0 0 var(--space-2);
  border: 1px solid var(--line-blue);
}

.page-news__topic-fig img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news__topic-figure--text {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 160px;
  margin: 0 0 var(--space-2);
  border: 1px solid var(--line-blue);
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 800;
  font-size: 4rem;
  color: var(--gold);
  background-image:
    linear-gradient(var(--line-blue) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-blue) 1px, transparent 1px);
  background-size: 24px 24px;
}

.page-news__topic-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: 0;
}

.page-news__topic-body h3 {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 800;
  font-size: 1.5rem;
  margin: 0;
  color: var(--cream);
}

.page-news__topic-body p {
  margin: 0;
}

.page-news__topic-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.page-news__topic-list li {
  position: relative;
  padding-left: 1.25rem;
  font-size: var(--fs-small);
}

.page-news__topic-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 0.5rem;
  height: 0.125rem;
  background: var(--gold);
}

.page-news__topic-body .btn {
  align-self: flex-start;
  margin-top: var(--space-1);
}

/* 继续深入 */
.page-news__more {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-4) 0;
  margin-bottom: var(--space-5);
  border-top: 1px solid var(--line-blue);
  border-bottom: 1px solid var(--line-blue);
}

.page-news__more h2 {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 800;
  font-size: var(--fs-title);
  margin: 0;
  color: var(--cream);
}

.page-news__more p {
  max-width: 32em;
  margin: 0;
}

.page-news__more-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-1);
}

/* 响应式 */
@media (min-width: 640px) {
  .page-news__toc {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-news__feature-stats {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 720px) {
  .page-news__article-main {
    grid-template-columns: 8rem 1fr;
    align-items: start;
  }
}

@media (min-width: 860px) {
  .page-news__topic-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 900px) {
  .page-news__masthead {
    padding-top: var(--space-5);
    padding-bottom: var(--space-4);
  }

  .page-news__intro {
    font-size: 1rem;
  }

  .page-news__feature {
    grid-template-columns: 1.2fr 0.8fr;
    align-items: start;
    padding: var(--space-3);
  }
}