/* uc / slides / ocr 首屏壳层 — 与异步主样式配合，避免 FOUC */
.uc-body,
.slides-body,
.ocr-body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Sans', 'Noto Sans SC', system-ui, sans-serif;
  line-height: 1.65;
}

.uc-topbar,
.slides-topbar,
.ocr-topbar,
.uc-shell,
.slides-shell,
.ocr-shell,
.uc-footer,
.slides-footer,
.ocr-footer,
.uc-body .theme-panel-wrap,
.slides-body .theme-panel-wrap,
.ocr-body .theme-panel-wrap {
  position: relative;
  z-index: 1;
}

.uc-body .theme-panel-wrap,
.slides-body .theme-panel-wrap,
.ocr-body .theme-panel-wrap {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 300;
}

.uc-shell {
  width: min(100% - 2rem, 1120px);
  margin-inline: auto;
  padding: 1.5rem 0 3rem;
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 1.5rem;
  align-items: start;
}

.slides-shell {
  width: min(100% - 2rem, 1120px);
  margin-inline: auto;
  padding: 1.5rem 0 3rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  align-items: start;
}

.slides-shell:has(.slides-sidebar) {
  grid-template-columns: 220px 1fr;
}

.ocr-shell {
  width: min(100% - 2rem, 1100px);
  margin-inline: auto;
  padding: 1.5rem 0 3rem;
}

/* 与首页一致的主导航（幻灯片 / OCR / 个人中心顶栏） */
.site-primary-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-primary-nav a {
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 500;
  text-decoration: none;
  padding: 0.4rem 0.65rem;
  border-radius: 8px;
  transition: color 0.2s ease, background 0.2s ease;
}

.site-primary-nav a:hover,
.site-primary-nav a[aria-current='page'] {
  color: var(--btn-accent-text, var(--accent));
  background: var(--btn-accent-bg, var(--accent-soft));
  border: 1px solid var(--btn-accent-border, transparent);
}

.uc-topbar-user,
.slides-topbar-user,
.ocr-topbar-user {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.88rem;
  color: var(--muted);
}

.uc-topbar-user .nav-user,
.slides-topbar-user .nav-user,
.ocr-topbar-user .nav-user {
  color: var(--muted);
  text-decoration: none;
  padding: 0.35rem 0.5rem;
  border-radius: 8px;
}

.uc-topbar-user .nav-user strong,
.slides-topbar-user .nav-user strong,
.ocr-topbar-user .nav-user strong {
  color: var(--text);
  font-weight: 600;
}

.uc-topbar-user .logout-form,
.slides-topbar-user .logout-form,
.ocr-topbar-user .logout-form {
  margin: 0;
  display: inline;
}

.uc-topbar-user .btn-link,
.slides-topbar-user .btn-link,
.ocr-topbar-user .btn-link {
  background: none;
  border: 1px solid var(--border, rgba(127, 127, 127, 0.35));
  border-radius: 8px;
  padding: 0.3rem 0.65rem;
  color: var(--muted);
  font: inherit;
  font-size: 0.84rem;
  cursor: pointer;
}

.uc-topbar-user .btn-link:hover,
.slides-topbar-user .btn-link:hover,
.ocr-topbar-user .btn-link:hover,
.uc-topbar-user a:hover,
.slides-topbar-user a:hover,
.ocr-topbar-user a:hover {
  color: var(--accent-hover, var(--accent));
}

.uc-topbar-links,
.slides-topbar-links,
.ocr-topbar-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  margin-left: auto;
}

@media (max-width: 900px) {
  .uc-shell {
    grid-template-columns: 1fr;
  }

  .slides-shell:has(.slides-sidebar) {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .uc-topbar-links,
  .slides-topbar-links,
  .ocr-topbar-links {
    width: 100%;
    margin-left: 0;
    order: 3;
  }
}