/* ==========================================================================
   content.css — 文章 / 文档页（brief / 书签 / 工具指南 / 静态页）与正文排版
   ========================================================================== */

.article-layout,
.doc-wrap {
  display: grid;
  gap: 22px;
  padding-block: 24px 72px;
}

/* 面包屑 */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  color: var(--faint);
  font-size: 12.5px;
}
.breadcrumb a { color: var(--muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--text); }
.breadcrumb-current { color: var(--faint); }

/* 文章容器 */
.article {
  padding: clamp(22px, 4vw, 52px);
  max-width: 900px;
  width: 100%;
  margin-inline: auto;
}

.article-head { display: grid; gap: 12px; }

.kicker {
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--faint);
  font-variant-numeric: tabular-nums;
}

.article-title {
  font-size: clamp(27px, 4.2vw, 44px);
  line-height: 1.14;
  letter-spacing: -0.032em;
  font-weight: 650;
}

.article-sub {
  color: var(--text-soft);
  font-size: clamp(15px, 1.6vw, 17px);
  max-width: 62ch;
}

.article-hero {
  margin: 28px 0 4px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--hairline);
  box-shadow: var(--shadow-md);
  line-height: 0;
}

.article-hero img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.article .prose { margin-top: 30px; }

/* 文档页（brief / 书签 / 工具 / 静态页） */
.doc {
  padding: clamp(22px, 4vw, 46px);
  max-width: 860px;
  width: 100%;
  margin-inline: auto;
}

.doc--page { padding-bottom: clamp(28px, 4vw, 52px); }

.doc-head { display: grid; gap: 10px; margin-bottom: 6px; }

.doc-head--brand {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--hairline);
}

.doc-icon {
  width: 44px;
  height: 44px;
  border-radius: 11px;
  object-fit: contain;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--hairline);
  padding: 6px;
  flex: 0 0 auto;
}

.doc-title {
  font-size: clamp(24px, 3.4vw, 34px);
  line-height: 1.18;
  letter-spacing: -0.028em;
}

.doc-sub {
  margin-top: 8px;
  color: var(--text-soft);
  font-size: 15px;
  max-width: 64ch;
}

/* 来源框 */
.source-box {
  margin-top: 32px;
  padding: 18px 20px;
  display: grid;
  gap: 6px;
}

.source-label {
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--faint);
}

.source-cta a {
  color: var(--text);
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.28);
  padding-bottom: 2px;
  transition: border-color 0.2s, color 0.2s;
}
.source-cta a:hover { border-color: #fff; }

.source-url {
  font-size: 12px;
  overflow-wrap: anywhere;
}
.source-url a { color: var(--faint); text-decoration: none; }
.source-url a:hover { color: var(--muted); }

/* --------------------------------------------------------------- 正文排版 */
.prose {
  font-size: 16.5px;
  line-height: 1.78;
  color: var(--text-soft);
  overflow-wrap: break-word;
}

.prose > *:first-child { margin-top: 0; }
.prose > *:last-child { margin-bottom: 0; }
.prose p { margin: 0 0 1.05em; }
.prose > p:first-of-type { color: var(--text-soft); }

.prose h2 {
  margin: 1.9em 0 0.6em;
  font-size: 1.34em;
  line-height: 1.3;
  letter-spacing: -0.02em;
  color: var(--text);
}

.prose h3 {
  margin: 1.6em 0 0.5em;
  font-size: 1.12em;
  color: var(--text);
}

.prose h4 {
  margin: 1.4em 0 0.4em;
  font-size: 1em;
  color: var(--text);
}

.prose a {
  color: #ffffff;
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  text-decoration-color: rgba(255, 255, 255, 0.32);
  transition: text-decoration-color 0.2s;
}
.prose a:hover { text-decoration-color: #ffffff; }

.prose strong { color: var(--text); font-weight: 600; }
.prose em { color: var(--text-soft); }

.prose ul,
.prose ol { padding-inline-start: 1.25em; margin: 0 0 1.05em; }
.prose li { margin-bottom: 0.35em; }
.prose li::marker { color: var(--faint); }

.prose code {
  font-family: var(--mono);
  font-size: 0.88em;
  padding: 0.12em 0.4em;
  border-radius: 6px;
  border: 1px solid var(--hairline);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
}

.prose pre {
  margin: 1.3em 0;
  padding: 16px 18px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--hairline);
  background: rgba(255, 255, 255, 0.035);
  overflow-x: auto;
}
.prose pre code { border: 0; background: none; padding: 0; }

.prose blockquote {
  margin: 1.4em 0;
  padding: 2px 0 2px 18px;
  border-inline-start: 2px solid rgba(255, 255, 255, 0.35);
  color: var(--muted);
  font-style: normal;
}

.prose figure { margin: 1.6em 0; }
.prose img {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
  border: 1px solid var(--hairline);
}
.prose figcaption {
  margin-top: 8px;
  font-size: 12.5px;
  color: var(--faint);
}

.prose hr {
  margin: 2em 0;
  border: 0;
  border-top: 1px solid var(--hairline);
}

/* 表格（榜单快照等） */
.prose table {
  width: 100%;
  margin: 1.5em 0;
  border-collapse: collapse;
  font-size: 14px;
  display: block;
  overflow-x: auto;
  white-space: nowrap;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-sm);
}
.prose table::-webkit-scrollbar { height: 8px; }
.prose table::-webkit-scrollbar-thumb { background: rgba(255, 255, 255, 0.14); border-radius: 8px; }

.prose thead th {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  font-weight: 600;
  font-size: 12.5px;
  letter-spacing: 0.02em;
  text-align: start;
  padding: 11px 14px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.prose tbody td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--hairline);
  color: var(--text-soft);
  font-variant-numeric: tabular-nums;
}

.prose tbody tr:last-child td { border-bottom: 0; }
.prose tbody tr:hover td { background: rgba(255, 255, 255, 0.025); }

.prose tbody td:first-child { color: var(--faint); font-variant-numeric: tabular-nums; }

/* 正文中的 pill 行（SEO 关键词） */
.prose .pill-row {
  margin-top: 2em;
  padding-top: 18px;
  border-top: 1px solid var(--hairline);
}

.prose .pill {
  color: var(--faint);
  font-size: 11.5px;
}

/* 404 */
.error-card {
  max-width: 560px;
  margin: 8vh auto 0;
  padding: clamp(30px, 5vw, 56px);
  text-align: center;
  display: grid;
  gap: 14px;
  justify-items: center;
}

.error-code {
  font-size: clamp(54px, 10vw, 96px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.05em;
  color: rgba(255, 255, 255, 0.16);
}

.error-title {
  font-size: clamp(20px, 3vw, 26px);
  color: var(--text);
}

.error-desc {
  color: var(--muted);
  font-size: 14.5px;
  max-width: 40ch;
}

/* RTL（阿拉伯语） */
html[dir="rtl"] body {
  font-family: "Noto Naskh Arabic", "Segoe UI", system-ui, sans-serif;
}
html[dir="rtl"] .prose { line-height: 1.95; }
html[dir="rtl"] .rank-num,
html[dir="rtl"] .brief-meta,
html[dir="rtl"] .news-date { letter-spacing: 0; }

@media (max-width: 720px) {
  .article { border-radius: var(--radius); }
  .prose { font-size: 16px; }
  .doc-head--brand { gap: 12px; }
  .doc-icon { width: 38px; height: 38px; }
}