/* 经典问题静态页：独立于 Gradio page.css */
:root {
  --fuzi-font-serif: "Source Han Serif SC", "Noto Serif SC", serif;
  --fuzi-ink-body: #2f2a24;
  --fuzi-ink-muted: #91897e;
  --fuzi-ink-link: #6f675c;
  --fuzi-bg: #f8f5ef;
  --fuzi-read-lh: 1.82;
  --fuzi-page-max: 38rem;
}

* {
  box-sizing: border-box;
}

body.fuzi-classic {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  background: var(--fuzi-bg);
  color: var(--fuzi-ink-body);
  font-family: var(--fuzi-font-serif);
  font-size: 1rem;
  line-height: var(--fuzi-read-lh);
  font-synthesis: none;
}

.fuzi-classic-header {
  padding: clamp(1.25rem, 4vw, 2rem) clamp(1.25rem, 5vw, 1.75rem) 0;
  max-width: var(--fuzi-page-max);
  margin: 0 auto;
}

.fuzi-classic-brand {
  color: var(--fuzi-ink-body);
  text-decoration: none;
  font-weight: 560;
  letter-spacing: 0.02em;
}

.fuzi-classic-brand:hover {
  color: var(--fuzi-ink-link);
}

.fuzi-classic-main {
  max-width: var(--fuzi-page-max);
  margin: 0 auto;
  padding: clamp(1.5rem, 5vw, 2.5rem) clamp(1.25rem, 5vw, 1.75rem)
    clamp(3rem, 8vw, 4rem);
}

.fuzi-classic-page-title {
  margin: 0 0 1.5rem;
  font-size: clamp(1.2rem, 3.5vw, 1.42rem);
  font-weight: 480;
  line-height: 1.35;
  letter-spacing: 0.05em;
  color: rgba(111, 103, 92, 0.88);
}

.fuzi-classic-question {
  margin: 0 0 1.25rem;
  font-size: clamp(1.22rem, 3.6vw, 1.48rem);
  font-weight: 480;
  line-height: 1.4;
  letter-spacing: 0;
}

.fuzi-classic-lead {
  margin: 0 0 2.25rem;
  color: var(--fuzi-ink-muted);
  font-size: 0.9375rem;
  line-height: 1.72;
  max-width: 28em;
}

.fuzi-classic-list {
  margin: 0;
  padding: 0 0 0 1.35rem;
  list-style: decimal;
}

.fuzi-classic-list li {
  margin: 0 0 calc(1.15rem + 3px);
  padding: 0.14rem 0 0.14rem 0.2rem;
  line-height: 1.68;
}

.fuzi-classic-list li::marker {
  color: rgba(145, 137, 126, 0.58);
  font-weight: 400;
  font-variant-numeric: tabular-nums;
}

.fuzi-classic-list li:last-child {
  margin-bottom: 0;
}

.fuzi-classic-list a {
  color: var(--fuzi-ink-body);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.fuzi-classic-list a:hover {
  color: var(--fuzi-ink-link);
  border-bottom-color: rgba(111, 103, 92, 0.28);
}

.fuzi-classic-article {
  margin: 0;
}

.fuzi-classic-section {
  margin-top: 2.35rem;
}

.fuzi-classic-section:first-of-type,
.fuzi-classic-section--fuzi {
  margin-top: 0.35rem;
}

.fuzi-classic-section-title {
  margin: 0 0 1rem;
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--fuzi-ink-body);
}

.fuzi-classic-prose p {
  margin: 0 0 0.85em;
}

.fuzi-classic-prose p:last-child {
  margin-bottom: 0;
}

.fuzi-classic-prose--fuzi {
  font-size: 1.02rem;
}

.fuzi-classic-prose--baihua {
  color: #3a342e;
}

.fuzi-classic-sources {
  margin: 0;
  padding: 0;
  list-style: none;
}

.fuzi-classic-sources li {
  margin: 0 0 1.25rem;
}

.fuzi-classic-sources li:last-child {
  margin-bottom: 0;
}

.fuzi-classic-source-work {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.875rem;
  letter-spacing: 0.04em;
  color: var(--fuzi-ink-muted);
}

.fuzi-classic-sources p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: #4a443c;
}

/* 正文结束后的导航：略上提、目录感，非页脚 */
.fuzi-classic-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.35rem 0.5rem;
  margin: 2.25rem 0 0;
  padding: 1.35rem 0 0;
  border-top: 1px solid rgba(111, 103, 92, 0.16);
  font-size: 0.9375rem;
}

.fuzi-classic-nav--index {
  margin-top: 2.75rem;
  padding-top: 1.5rem;
}

.fuzi-classic-nav-primary {
  color: var(--fuzi-ink-body);
  text-decoration: none;
  font-weight: 560;
  letter-spacing: 0.02em;
}

.fuzi-classic-nav-primary:hover {
  color: var(--fuzi-ink-link);
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.fuzi-classic-nav-secondary {
  color: var(--fuzi-ink-muted);
  text-decoration: none;
}

.fuzi-classic-nav-secondary:hover {
  color: var(--fuzi-ink-link);
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.fuzi-classic-nav-sep {
  color: rgba(145, 137, 126, 0.55);
  user-select: none;
}

.fuzi-classic-sitefoot {
  margin: 1.75rem 0 0;
  font-family: "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", sans-serif;
  font-size: 0.75rem;
  line-height: 1.5;
  color: var(--fuzi-ink-muted);
}

.fuzi-classic-sitefoot-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.1rem 0.15rem;
}

.fuzi-classic-sitefoot-nav a {
  color: inherit;
  text-decoration: none;
  padding: 0.35rem 0.4rem;
}

.fuzi-classic-sitefoot-nav a:hover,
.fuzi-classic-sitefoot-nav a:focus-visible {
  color: var(--fuzi-ink-link);
  text-decoration: underline;
  text-underline-offset: 0.14em;
}

.fuzi-classic-sitefoot-note {
  margin: 0.1rem 0 0;
  padding-left: 0.4rem;
  font-size: 0.6875rem;
  line-height: 1.45;
}

.fuzi-classic-pagination {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem 1rem;
  margin: 2rem 0 0;
  font-size: 0.9375rem;
}

.fuzi-classic-pagination-link {
  color: var(--fuzi-ink-body);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.fuzi-classic-pagination-link:hover {
  color: var(--fuzi-ink-link);
  border-bottom-color: rgba(111, 103, 92, 0.28);
}

.fuzi-classic-pagination-status {
  color: var(--fuzi-ink-muted);
  font-variant-numeric: tabular-nums;
}