/* 首次绘制前只隐藏文章区域；脚本完成布局后立即恢复，导航仍可正常显示。 */
html.article-pending .article-page {
  visibility: hidden;
}

/* 文章页作者身份与联系方式：适配报刊风及旧文章页面。 */
.article-page .article-author-card {
  /* 作者身份入口保持为正文流中的链接，不再使用卡片容器。 */
  --article-author-foreground: var(--color-heading, var(--color-text));
  --article-author-muted: var(--color-text-secondary);
  /* 脱离标题的居中排版，作为紧凑的左对齐署名行。 */
  display: flex;
  align-items: center;
  gap: 12px;
  width: fit-content;
  max-width: 100%;
  margin: 0 0 20px;
  padding: 0;
  color: var(--article-author-foreground) !important;
  text-decoration: none;
  border: 0;
  background: transparent;
}
.article-page .article-author-card:hover { text-decoration: none; }
.article-page .article-author-card:focus-visible,
.article-contact-link:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}
.article-author-avatar {
  display: block;
  flex: 0 0 auto;
  width: 44px !important;
  height: 44px !important;
  margin: 0 !important;
  object-fit: cover;
  border: 0 !important;
  border-radius: 50% !important;
  box-shadow: 0 0 0 1px var(--color-border);
}
.article-author-info {
  display: grid;
  flex: 0 1 auto;
  gap: 4px;
  min-width: 0;
}
.article-author-name {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  color: var(--article-author-foreground);
  font-family: var(--font-sans, sans-serif);
  font-size: 0.88rem;
  font-weight: 700;
  line-height: 1.15;
}
.article-author-verified {
  display: block;
  flex: 0 0 auto;
  width: 14px;
  height: 14px;
}
.article-author-social {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  min-width: 0;
}
.article-author-twitter {
  display: block;
  flex: 0 0 auto;
  width: 12px;
  height: 12px;
}
.article-author-handle {
  overflow: hidden;
  color: var(--article-author-muted);
  font-family: var(--font-sans, sans-serif);
  font-size: 0.78rem;
  line-height: 1.15;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ---------- 文章首屏：窄栏报纸标题、摘要、工具行与真实封面 ---------- */
.article-page.article-news-layout {
  width: 100%;
  max-width: 760px !important;
  margin: 56px auto 72px !important;
  padding: 0 24px !important;
  box-sizing: border-box;
}

.article-page.article-news-layout .article-meta {
  margin: 0 0 30px !important;
  padding: 0 !important;
  text-align: left !important;
  border: 0 !important;
}

.article-page.article-news-layout .article-meta h1 {
  max-width: 720px;
  margin: 0 !important;
  padding: 0 !important;
  color: var(--color-heading, var(--color-text)) !important;
  font-family: var(--font-serif, serif) !important;
  font-size: clamp(2.45rem, 5vw, 3.45rem) !important;
  font-weight: 700 !important;
  line-height: 1.08 !important;
  letter-spacing: -0.035em;
  text-align: left !important;
  text-wrap: balance;
  border: 0 !important;
}

.article-byline-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: 26px;
  padding: 14px 0;
  border-top: 1px solid var(--press-hairline, var(--color-border));
  border-bottom: 1px solid var(--press-hairline, var(--color-border));
}

.article-page.article-news-layout .article-byline-row .article-author-card {
  flex: 0 1 auto;
  min-height: 44px;
  margin: 0 !important;
}

.article-page.article-news-layout .article-author-avatar {
  width: 44px !important;
  height: 44px !important;
}

.article-meta-actions {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 12px;
  color: var(--color-text-secondary);
  font-family: var(--font-sans, sans-serif);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  line-height: 1.2;
  text-transform: uppercase;
  white-space: nowrap;
}

.article-page.article-news-layout .article-meta .article-date {
  display: inline !important;
  margin: 0 !important;
  padding: 0 !important;
  color: inherit !important;
  font-family: inherit !important;
  font-size: inherit !important;
  font-weight: inherit !important;
  line-height: inherit !important;
  letter-spacing: inherit !important;
  border: 0 !important;
}

.article-page.article-news-layout .article-meta .article-date::before {
  display: none !important;
  content: none !important;
}

.article-reading-time::after {
  margin-left: 12px;
  color: var(--press-hairline-strong, var(--color-border));
  content: "·";
}

.article-share-button {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 34px;
  padding: 7px 12px;
  color: var(--color-text);
  font: inherit;
  letter-spacing: 0.04em;
  text-transform: none;
  border: 1px solid var(--press-hairline, var(--color-border));
  border-radius: 999px;
  background: transparent;
  cursor: pointer;
  transition: border-color 0.16s ease, background-color 0.16s ease;
}

.article-share-button:hover {
  border-color: var(--color-text-secondary);
  background: var(--color-surface);
}

.article-share-button:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.article-share-button svg {
  width: 15px;
  height: 15px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.7;
}

.article-lead-media {
  width: 100%;
  margin: 0 0 44px;
}

.article-lead-media img {
  display: block;
  width: 100%;
  height: auto;
  margin: 0;
  object-fit: cover;
  border: 1px solid var(--press-hairline, var(--color-border));
  border-radius: 0;
  background: var(--color-surface);
}

.article-page.article-news-layout .article-body {
  width: 100%;
  max-width: 660px;
  margin: 0 auto;
  color: var(--color-text) !important;
  font-size: 1.08rem !important;
  line-height: 1.88 !important;
}

@media (max-width: 768px) {
  .article-page.article-news-layout {
    margin-top: 32px !important;
    margin-bottom: 56px !important;
    padding-right: 16px !important;
    padding-left: 16px !important;
  }

  .article-page.article-news-layout .article-meta {
    margin-bottom: 30px !important;
  }

  .article-page.article-news-layout .article-meta h1 {
    font-size: clamp(2rem, 9vw, 2.7rem) !important;
    line-height: 1.12 !important;
  }

  .article-lead-media {
    margin-bottom: 32px;
  }

  .article-page.article-news-layout .article-body {
    font-size: 1.03rem !important;
    line-height: 1.84 !important;
  }
}

@media (max-width: 520px) {
  .article-byline-row {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }

  .article-meta-actions {
    width: 100%;
    gap: 9px;
  }

  .article-share-button {
    margin-left: auto;
  }

  .article-reading-time::after {
    margin-left: 9px;
  }
}

/* ---------- X 引用卡片（头像 / 名称 / 蓝 V / 用户名 / 时间 / 正文） ---------- */
.x-quote-card {
  display: block;
  color: inherit !important;
  text-decoration: none !important;
  border: 0 !important;
}
.x-quote-card:hover {
  text-decoration: none !important;
}
.x-quote-head {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  margin: 0 0 8px;
}
.x-quote-avatar {
  display: block;
  flex: 0 0 auto;
  width: 40px !important;
  height: 40px !important;
  margin: 2px 0 0 !important;
  object-fit: cover;
  border: 0 !important;
  border-radius: 50% !important;
  background: var(--press-hairline, #e2e2e2);
}
.x-quote-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 4px;
  min-width: 0;
  line-height: 1.2;
}
.x-quote-name {
  overflow: hidden;
  flex: 0 1 auto;
  color: var(--color-heading, var(--color-text));
  font-family: var(--press-sans, var(--font-sans, sans-serif));
  font-size: 0.95rem;
  font-weight: 700;
  font-style: normal;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.x-quote-badge {
  display: block;
  flex: 0 0 auto;
  width: 13px;
  height: 13px;
  margin: 0 !important;
  border: 0 !important;
  border-radius: 0 !important;
  background: transparent !important;
  box-shadow: none !important;
}
.x-quote-handle,
.x-quote-sep,
.x-quote-time {
  color: var(--press-muted, var(--color-text-secondary));
  font-family: var(--press-sans, var(--font-sans, sans-serif));
  font-size: 0.88rem;
  font-weight: 400;
  font-style: normal;
  white-space: nowrap;
}
.x-quote-handle {
  overflow: hidden;
  text-overflow: ellipsis;
}
.x-quote-text {
  color: var(--color-text);
  font-family: var(--press-sans, var(--font-sans, sans-serif));
  font-size: 0.95rem;
  font-style: normal;
  font-weight: 400;
  line-height: 1.45;
  word-wrap: break-word;
}
.x-quote-text a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* 文章收尾采用署名与文字链接，避免重复作者卡片带来视觉负担。 */
.article-contact {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px 24px;
  width: min(100%, 780px);
  margin: 32px auto 0;
  padding: 22px 0 0;
  border: 0;
  border-top: 1px solid var(--color-border);
  border-radius: 0;
  background: transparent;
  font-family: var(--font-sans);
}
.article-contact-profile {
  color: var(--color-heading) !important;
  font-size: .85rem;
  font-weight: 600;
  text-decoration: none !important;
}
.article-contact-profile span {
  margin-left: 8px;
  color: var(--color-text-secondary);
  font-size: .74rem;
  font-weight: 400;
}
.article-contact-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 20px;
}
.article-page .article-contact-link {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--color-text-secondary);
  font-size: .76rem;
  font-weight: 400;
  text-decoration: none !important;
}
.article-page .article-contact-link:hover {
  color: var(--color-heading);
  text-decoration: underline !important;
  text-underline-offset: 4px;
}
.article-page .article-contact-link-support {
  gap: 6px;
  padding-left: 20px;
  border-left: 1px solid var(--color-border);
  color: var(--color-heading);
}
.article-contact a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 4px;
}

/* 独立 URL 预览：整张卡片保持为一个键盘可访问的外链。 */
.article-page .article-body p.article-link-preview {
  margin: 1.8em 0 !important;
}
.article-page .article-body .article-link-card,
.log-note-link-preview .article-link-card {
  display: grid !important;
  overflow: hidden;
  margin: 1.8em 0;
  color: var(--color-text) !important;
  text-decoration: none !important;
  border: 1px solid var(--color-border) !important;
  border-radius: 10px;
  background: var(--color-surface);
  opacity: 1;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.article-page .article-body .article-link-card:hover,
.log-note-link-preview .article-link-card:hover {
  color: var(--color-text) !important;
  border-color: var(--color-text-secondary) !important;
  opacity: 1;
  transform: translateY(-2px);
}
.article-page .article-body .article-link-card:focus-visible,
.log-note-link-preview .article-link-card:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
}
.article-link-card-media {
  display: block;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  max-height: 360px;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-quote-bg, var(--color-bg));
}
.article-link-card-media[hidden],
.article-link-card-description[hidden] {
  display: none !important;
}
.article-page .article-body .article-link-card-image,
.log-note-link-preview .article-link-card-image {
  display: block !important;
  width: 100% !important;
  height: 100% !important;
  max-width: none !important;
  max-height: none !important;
  margin: 0 !important;
  border: 0 !important;
  border-radius: 0 !important;
  object-fit: cover;
}
.article-link-card-content {
  display: grid;
  gap: 8px;
  min-width: 0;
  padding: 18px 20px 17px;
}
.article-link-card-meta {
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  min-width: 0;
}
.article-link-card-site {
  overflow: hidden;
  color: var(--color-text-secondary);
  font-family: var(--font-sans);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  line-height: 1.3;
  text-overflow: ellipsis;
  text-transform: uppercase;
  white-space: nowrap;
}
.article-link-card-arrow {
  flex: 0 0 auto;
  color: var(--color-accent);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1;
}
.article-link-card-title {
  display: -webkit-box;
  overflow: hidden;
  color: var(--color-heading);
  font-family: var(--font-serif);
  font-size: clamp(1.05rem, 2.5vw, 1.3rem);
  font-weight: 700;
  line-height: 1.35;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}
.article-link-card-description {
  display: -webkit-box;
  overflow: hidden;
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 0.86rem;
  line-height: 1.55;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}
.article-link-card-url {
  overflow: hidden;
  color: var(--color-text-secondary);
  font-family: var(--font-sans);
  font-size: 0.7rem;
  line-height: 1.4;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.article-link-card.is-loading .article-link-card-arrow {
  opacity: 0.45;
}

/*
 * 桌面端链接预览使用紧凑横向布局，避免 16:9 封面按正文全宽展开后占据半屏。
 * 图片保留原始比例并裁切，文字区仍能完整显示站点、标题与摘要。
 */
@media (min-width: 641px) {
  .article-page .article-body .article-link-card.has-media,
  .log-note-link-preview .article-link-card.has-media {
    grid-template-columns: minmax(220px, 38%) minmax(0, 1fr);
    align-items: stretch;
  }

  .article-page .article-body .article-link-card.has-media .article-link-card-media,
  .log-note-link-preview .article-link-card.has-media .article-link-card-media {
    width: 100%;
    height: 100%;
    min-height: 168px;
    max-height: none;
    aspect-ratio: auto;
    border-right: 1px solid var(--color-border);
    border-bottom: 0;
  }

  .article-page .article-body .article-link-card.has-media .article-link-card-content,
  .log-note-link-preview .article-link-card.has-media .article-link-card-content {
    align-content: center;
    padding: 16px 18px;
  }
}

@media (max-width: 420px) {
  .article-page .article-author-card { width: 100%; }
  .article-link-card-content { gap: 7px; padding: 15px 16px; }
  .article-link-card-description { -webkit-line-clamp: 2; }
  .article-contact { align-items: flex-start; flex-direction: column; gap: 8px; padding: 18px 0 0; }
  .article-contact-links { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  .article-page .article-body .article-link-card,
  .log-note-link-preview .article-link-card { transition: none; }
}