/* Andrea Liang — Article pages
   Extends the Editorial Minimal system (Deep Navy / Warm Gold).
   Loaded only by /publications/ and /publications/<slug>/ — no effect on the rest of the site. */

/* ---------------------------------------------------------- list page */

.insight-card[data-has-thumb="true"] {
  padding: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.insight-thumb {
  display: block;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background-color: var(--color-parchment);
  border-bottom: 1px solid var(--color-border);
}

.insight-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.insight-card[data-has-thumb="true"]:hover .insight-thumb img {
  transform: scale(1.03);
}

.insight-card[data-has-thumb="true"] > time,
.insight-card[data-has-thumb="true"] > .insight-category,
.insight-card[data-has-thumb="true"] > h3,
.insight-card[data-has-thumb="true"] > p {
  margin-left: 28px;
  margin-right: 28px;
}

.insight-card[data-has-thumb="true"] > time {
  margin-top: 24px;
}

.insight-card[data-has-thumb="true"] > p {
  margin-bottom: 28px;
  flex: 1;
}

.insight-card {
  display: flex;
  flex-direction: column;
}

.insight-card h3 {
  line-height: 1.35;
}

/* pagination */
.pager {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
}

.pager-link {
  display: inline-block;
  padding: 10px 22px;
  border: 1px solid var(--color-navy);
  border-radius: var(--radius);
  font-size: 0.875rem;
  color: var(--color-navy);
  transition: all 0.2s ease;
}

.pager-link:hover {
  background-color: var(--color-navy);
  color: #fff;
}

.pager-link.is-disabled {
  border-color: var(--color-border);
  color: var(--color-border);
  pointer-events: none;
}

.pager-status {
  font-size: 0.875rem;
  color: var(--color-charcoal);
}

/* 数字分页：139 篇 16 页，只给「上一页/下一页」跳不动 */
.pager-nums {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.pager-num,
.pager-gap {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 34px;
  height: 34px;
  padding: 0 8px;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-variant-numeric: tabular-nums;
  color: var(--color-navy);
}

a.pager-num {
  transition: background-color 0.2s ease, color 0.2s ease;
}

a.pager-num:hover {
  background-color: var(--color-parchment);
}

.pager-num.is-current {
  background-color: var(--color-navy);
  color: #fff;
  font-weight: 500;
}

.pager-gap {
  min-width: 18px;
  padding: 0;
  color: var(--color-charcoal);
}

/* 分类归档：筛选栏加篇数，卡片上的分类变成可点链接 */
.filter-count {
  margin-left: 8px;
  padding: 1px 7px;
  border-radius: 999px;
  background-color: rgba(15, 37, 64, 0.08);
  font-size: 0.75rem;
  font-variant-numeric: tabular-nums;
}

.filter-link.is-active .filter-count,
.filter-link:hover .filter-count {
  background-color: rgba(255, 255, 255, 0.18);
}

.insight-card .insight-category a {
  color: inherit;
  border-bottom: none;
}

.insight-card .insight-category a:hover {
  border-bottom: 1px solid currentColor;
}

/* ---------------------------------------------------------- article page */

.article-hero {
  padding: 180px 0 80px;
}

.article-hero h1 {
  max-width: 900px;
  margin: 0 auto 1.25rem;
  font-size: clamp(1.9rem, 3.6vw, 2.9rem);
  line-height: 1.22;
}

.article-meta {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.7);
  margin: 0;
  letter-spacing: 0.01em;
}

.article-meta-sep {
  margin: 0 0.5rem;
  color: var(--color-gold);
}

.article-hero-image {
  max-width: var(--max-width);
  margin: -40px auto 0;
  padding: 0 24px;
  position: relative;
}

.article-hero-image img {
  width: 100%;
  height: auto;
  max-height: 460px;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
}

/* layout: main column + sidebar */
.article-body-wrap {
  background-color: var(--color-cream);
}

.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 64px;
  align-items: start;
}

.article-main {
  min-width: 0;
  max-width: 720px;
}

.article-side {
  position: sticky;
  top: 110px;
}

/* ---------------------------------------------------------- article body typography */

.article-body {
  font-size: 1.0625rem;
  line-height: 1.78;
  color: var(--color-text);
}

.article-body > p:first-of-type {
  font-size: 1.1875rem;
  line-height: 1.7;
  color: var(--color-navy);
}

.article-body p {
  margin: 0 0 1.4rem;
}

.article-body h2 {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 500;
  line-height: 1.3;
  color: var(--color-navy);
  margin: 3rem 0 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
  scroll-margin-top: 110px;
}

.article-body h2:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

.article-body h3 {
  font-family: var(--font-serif);
  font-size: 1.3125rem;
  font-weight: 500;
  color: var(--color-navy);
  margin: 2rem 0 0.75rem;
  scroll-margin-top: 110px;
}

.article-body ul,
.article-body ol {
  margin: 0 0 1.4rem;
  padding-left: 1.5rem;
}

.article-body li {
  margin-bottom: 0.55rem;
}

.article-body li::marker {
  color: var(--color-gold);
}

.article-body ol > li::marker {
  font-weight: 500;
}

.article-body a {
  color: var(--color-navy);
  border-bottom: 1px solid var(--color-gold);
}

.article-body a:hover {
  color: var(--color-gold);
}

.article-body strong {
  font-weight: 500;
  color: var(--color-navy);
}

.article-body mark {
  background-color: rgba(184, 149, 106, 0.2);
  color: inherit;
  padding: 0.1em 0.2em;
}

.article-body blockquote {
  margin: 2rem 0;
  padding: 0.25rem 0 0.25rem 1.5rem;
  border-left: 3px solid var(--color-gold);
  font-family: var(--font-serif);
  font-size: 1.25rem;
  line-height: 1.55;
  color: var(--color-navy);
}

.article-body blockquote p:last-child {
  margin-bottom: 0;
}

.article-body figure {
  margin: 2rem 0;
}

.article-body figure img,
.article-body img {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
}

.article-body figcaption {
  margin-top: 0.75rem;
  font-size: 0.875rem;
  line-height: 1.55;
  color: var(--color-charcoal);
  text-align: center;
}

.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
  font-size: 0.9375rem;
}

.article-body th,
.article-body td {
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  text-align: left;
  vertical-align: top;
}

.article-body th {
  background-color: var(--color-parchment);
  font-weight: 500;
  color: var(--color-navy);
}

.article-body hr {
  margin: 2.5rem 0;
  border: none;
  border-top: 1px solid var(--color-border);
}

/* embedded PDF / file block */
.article-body .article-file {
  margin: 2rem 0;
  padding: 20px 24px;
  background-color: var(--color-parchment);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-gold);
  border-radius: var(--radius);
}

/* 英文说明行：附件是中文文书，需先讲清性质与语言，再给中文标题 */
.article-body .article-file__label {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-gold);
}

.article-body .article-file a {
  border-bottom: none;
  font-weight: 500;
}

.article-body .article-file a::before {
  content: "PDF · ";
  color: var(--color-gold);
  font-weight: 500;
}

/* source note */
.article-source {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
}

.article-source p {
  font-size: 0.875rem;
  color: var(--color-charcoal);
  margin: 0;
}

/* ---------------------------------------------------------- sidebar */

.article-toc {
  background-color: var(--color-parchment);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 24px;
  /* 长文（有的文章 20 个小标题）目录会高过视口。sticky 元素一旦比视口高，
     滚到底部时目录尾部就永远贴在可视区外点不到 —— 给个上限并允许内部滚动。 */
  max-height: calc(100vh - 160px);
  overflow-y: auto;
  overscroll-behavior: contain;
}

.article-toc-title {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin: 0 0 0.9rem;
}

.article-toc ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.article-toc li {
  margin-bottom: 0.6rem;
}

.article-toc li:last-child {
  margin-bottom: 0;
}

.article-toc a {
  font-size: 0.875rem;
  line-height: 1.45;
  color: var(--color-charcoal);
  display: block;
}

.article-toc a:hover {
  color: var(--color-gold);
}

.article-cta-card {
  background-color: var(--color-navy);
  border-radius: var(--radius);
  padding: 28px 24px;
}

.article-cta-card h3 {
  color: #fff;
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.article-cta-card p {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.72);
  margin-bottom: 1.25rem;
}

.btn-block {
  display: block;
  text-align: center;
}

/* related */
.article-related .insights-grid {
  margin-bottom: 0;
}

/* ---------------------------------------------------------- responsive */

@media (max-width: 1024px) {
  .article-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .article-side {
    position: static;
    max-width: 720px;
  }
  .article-toc {
    display: none;
  }
}

@media (max-width: 900px) {
  .insights-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .article-hero {
    padding: 150px 0 60px;
  }
  .article-hero-image {
    margin-top: -24px;
  }
}

@media (max-width: 620px) {
  .insights-grid {
    grid-template-columns: 1fr;
  }
  .article-body {
    font-size: 1rem;
  }
  .article-body h2 {
    font-size: 1.5rem;
    margin-top: 2.25rem;
  }
  .article-body > p:first-of-type {
    font-size: 1.0625rem;
  }
  .pager {
    gap: 12px;
  }
  .pager-link {
    padding: 9px 16px;
  }
}