:root {
  --bg: #faf7f0;
  --bg-card: #fffdf7;
  --bg-soft: #f3eee3;
  --bg-dark: #ede6d4;
  --ink: #1f1d1a;
  --ink-soft: #4a463f;
  --muted: #8a8378;
  --muted-2: #b3ac9f;
  --line: #e6e0d2;
  --line-soft: #efeadc;
  --accent: #8b3a3a;
  --accent-soft: #c08a8a;
  --accent-light: #f5e7e7;

  --school-confucian: #8b3a3a;
  --school-daoist:    #4a6b52;
  --school-buddhist:  #5b6794;
  --school-legalist:  #6e5536;
  --school-western:   #4a5b6b;
  --school-modern:    #735a83;

  --serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", Georgia, serif;
  --sans:  -apple-system, "PingFang SC", "Helvetica Neue", "Microsoft YaHei", sans-serif;

  --w-reader: 720px;
  --w-wide:   1080px;

  --radius: 8px;
  --shadow-sm: 0 1px 2px rgba(40,30,20,0.04), 0 2px 6px rgba(40,30,20,0.04);
  --shadow-md: 0 2px 6px rgba(40,30,20,0.06), 0 8px 22px rgba(40,30,20,0.08);
}

* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  background: var(--bg); color: var(--ink);
  font-family: var(--serif);
  font-size: 16px; line-height: 1.85;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
button { font-family: inherit; cursor: pointer; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 4px; }
input, select { font-family: inherit; }
kbd {
  font-family: var(--sans); font-size: 11px;
  background: var(--bg-soft); border: 1px solid var(--line);
  border-radius: 3px; padding: 1px 5px;
  color: var(--ink-soft);
  box-shadow: 0 1px 0 var(--line);
}

/* 焦点：替换浏览器默认蓝框，统一用品牌色 */
*:focus { outline: none; }
*:focus-visible {
  outline: 2px solid var(--accent-soft);
  outline-offset: 3px;
  border-radius: 2px;
}
button:focus-visible,
.filter-option:focus-visible,
.qact:focus-visible {
  outline-color: var(--accent);
}
nav.top .brand:focus-visible,
nav.top .links a:focus-visible {
  outline-offset: 6px;
}

nav.top {
  position: sticky; top: 0; z-index: 50;
  background: rgba(250, 247, 240, 0.92);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--line);
}
nav.top .inner {
  max-width: var(--w-wide);
  margin: 0 auto;
  padding: 12px 24px;
  display: flex; align-items: center; gap: 24px;
  font-family: var(--sans); font-size: 14px;
}
nav.top .brand {
  font-family: var(--serif); font-weight: 600;
  font-size: 20px; letter-spacing: 0.16em;
  color: var(--ink);
  padding-right: 22px;
  border-right: 1px solid var(--line);
}
nav.top .brand:hover { text-decoration: none; color: var(--accent); }
nav.top .links { display: flex; gap: 18px; }
nav.top .links a {
  color: var(--ink-soft); text-decoration: none;
  padding: 4px 2px; border-bottom: 2px solid transparent;
  transition: all 0.15s;
}
nav.top .links a:hover { color: var(--accent); }
nav.top .links a.active {
  color: var(--accent); border-bottom-color: var(--accent);
}
nav.top .search {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 10px;
}
nav.top .search-mode {
  display: inline-flex;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 2px;
  background: var(--bg-card);
}
nav.top .search-mode-btn {
  appearance: none;
  border: 0;
  background: transparent;
  font: inherit;
  font-size: 13px;
  color: var(--ink-soft);
  padding: 4px 12px;
  border-radius: 999px;
  cursor: pointer;
  transition: background .15s, color .15s;
}
nav.top .search-mode-btn:hover { color: var(--accent); }
nav.top .search-mode-btn.active {
  background: var(--accent);
  color: #fff;
}
nav.top .search input {
  font-family: var(--sans); font-size: 13px;
  padding: 7px 14px; min-width: 200px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink); outline: none;
  transition: all 0.15s;
}
nav.top .search input:focus {
  border-color: var(--accent-soft);
  background: #fff;
  min-width: 260px;
}

.app {
  max-width: var(--w-wide);
  margin: 0 auto;
  padding: 32px 24px 64px;
  min-height: 70vh;
}

footer {
  text-align: center;
  padding: 28px 24px 48px;
  font-family: var(--sans); font-size: 13px;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

/* ═════ 阅读模式 ═════ */
.reader { max-width: var(--w-reader); margin: 0 auto; }

.reader-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px; flex-wrap: wrap;
  padding: 0 0 20px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--line);
}
.filter-group {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--sans); font-size: 13px;
}
.filter-label { color: var(--muted); letter-spacing: 0.1em; }
/* 自定义下拉框（替代 native select） */
.filter-dropdown {
  position: relative;
  display: inline-block;
}
.filter-trigger {
  font-family: var(--sans); font-size: 14px;
  padding: 6px 12px;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--ink);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transition: all 0.15s;
}
.filter-trigger:hover { border-color: var(--accent-soft); }
.filter-trigger[aria-expanded="true"] {
  border-color: var(--accent);
  background: var(--accent-light);
}
.filter-current {
  font-weight: 500;
}
.filter-count {
  font-family: var(--sans); font-size: 11px;
  color: var(--muted);
  padding: 1px 7px;
  border-radius: 999px;
  background: var(--bg-soft);
}
.filter-trigger[aria-expanded="true"] .filter-count {
  background: var(--accent);
  color: #fdfaf3;
}
.filter-caret {
  font-size: 10px;
  color: var(--muted);
  transition: transform 0.18s;
  margin-left: -2px;
}
.filter-trigger[aria-expanded="true"] .filter-caret {
  transform: rotate(180deg);
  color: var(--accent);
}

.filter-panel {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  z-index: 100;
  min-width: 260px;
  max-width: calc(100vw - 32px);
  max-height: 70vh;
  overflow-y: auto;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: 6px;
  box-shadow: 0 8px 32px rgba(40, 30, 20, 0.12),
              0 1px 4px rgba(40, 30, 20, 0.06);
  padding: 6px 0;
  animation: filterDropOpen 0.15s ease;
}
@keyframes filterDropOpen {
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: translateY(0); }
}

.filter-group-title {
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--muted);
  padding: 14px 18px 6px;
  text-transform: uppercase;
}
.filter-group-title:first-child { padding-top: 8px; }

.filter-option {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 8px 18px;
  background: none;
  border: none;
  font-family: var(--serif);
  font-size: 14px;
  color: var(--ink);
  text-align: left;
  cursor: pointer;
  transition: background 0.1s, color 0.1s;
  gap: 12px;
}
.filter-option:hover {
  background: var(--accent-light);
  color: var(--accent);
}
.filter-option.active {
  color: var(--accent);
  font-weight: 600;
  background: var(--accent-light);
}
.filter-option .opt-label { flex: 1; min-width: 0; }
.filter-option .opt-count {
  font-family: var(--sans);
  font-size: 11px;
  color: var(--muted);
  flex-shrink: 0;
}
.filter-option:hover .opt-count,
.filter-option.active .opt-count { color: var(--accent); }
.filter-search {
  font-family: var(--sans); font-size: 13px;
  padding: 5px 12px;
  background: var(--accent-light);
  border-radius: 4px; color: var(--accent);
}
.clear-search {
  font-family: var(--sans); font-size: 12px;
  color: var(--muted); margin-left: 4px;
}
.reader-progress {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--sans); font-size: 12px;
  color: var(--muted); letter-spacing: 0.04em;
}
.reader-progress .bar {
  display: inline-block;
  width: 120px; height: 4px;
  background: var(--bg-dark);
  border-radius: 999px; overflow: hidden;
}
.reader-progress .bar i {
  display: block; height: 100%;
  background: var(--school-color, var(--accent));
  transition: width 0.3s;
}

.reader-card {
  position: relative;
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 56px 56px 44px;
  border-top: 4px solid var(--school-color, var(--accent));
  box-shadow: var(--shadow-sm);
}

/* 朱砂方印（明心） */
.qseal {
  position: absolute;
  top: 28px; right: 32px;
  width: 28px; height: 40px;
  background: var(--accent);
  color: #fdfaf3;
  font-family: var(--serif);
  font-size: 13px;
  font-weight: 600;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-radius: 2px;
  line-height: 1.15;
  letter-spacing: 0;
  transform: rotate(-3deg);
  box-shadow: 0 1px 3px rgba(40, 30, 20, 0.18);
  pointer-events: none;
  user-select: none;
}
.qseal span { display: block; }
.qhead {
  font-family: var(--sans); font-size: 12px;
  color: var(--muted); margin-bottom: 24px;
  letter-spacing: 0.08em; line-height: 1.8;
}
.qhead .qschool {
  display: inline-block;
  padding: 2px 10px; border-radius: 999px;
  background: var(--school-color, var(--accent));
  color: #fdfaf3; font-weight: 500;
  letter-spacing: 0.15em;
}
.qhead .qsep { margin: 0 4px; color: var(--muted-2); }
.qhead .qbook { color: var(--ink-soft); font-weight: 500; }
.qhead .qspeaker { color: var(--muted); }

.qtext {
  font-family: var(--serif);
  font-size: 30px; line-height: 1.7;
  color: var(--ink); font-weight: 600;
  letter-spacing: 0.04em;
  margin: 0 0 32px;
}

.qbody.qoriginal {
  background: var(--bg-soft);
  padding: 18px 22px;
  border-radius: 4px;
  margin-bottom: 28px;
}
.qbody.qoriginal h3 { color: var(--muted); }
.qbody.qoriginal p {
  font-family: var(--serif); font-size: 14px;
  line-height: 1.95; color: var(--ink-soft);
  margin: 0; font-style: italic;
}

.qbody { margin-bottom: 28px; }
.qbody h3 {
  font-family: var(--sans); font-size: 11px;
  letter-spacing: 0.4em;
  color: var(--accent); font-weight: 500;
  margin: 0 0 10px;
  text-transform: uppercase;
}
.qbody p {
  font-family: var(--serif);
  font-size: 17px; line-height: 1.95;
  color: var(--ink); margin: 0;
}
.qbody.qmodern {
  padding: 22px 26px;
  background: var(--accent-light);
  border-radius: 6px;
  border-left: 3px solid var(--accent-soft);
  margin-bottom: 32px;
}
.qbody.qmodern h3 { color: var(--accent); }
.qbody.qmodern p { font-size: 16px; color: var(--ink-soft); }

/* 义理 — 主体阐释，多段、可含强调 */
.qbody.qmain p { margin-bottom: 14px; }
.qbody.qmain p:last-child { margin-bottom: 0; }
.qbody.qmain strong {
  background: linear-gradient(transparent 65%, var(--accent-light) 65%);
  font-weight: 600; color: var(--ink);
  padding: 0 1px;
}

/* 应用场景 — 有序列表 */
.qbody ol {
  font-family: var(--serif); font-size: 16px;
  line-height: 1.95; color: var(--ink-soft);
  margin: 0; padding-left: 22px;
}
.qbody ol li { margin-bottom: 12px; }
.qbody ol li:last-child { margin-bottom: 0; }

/* 字解 — 词目 + 释义堆叠（兼顾短中文词与长英文词） */
.qbody.qkey-terms { margin-bottom: 28px; }
.key-terms { margin: 0; }
.key-terms dt {
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.04em;
  margin: 18px 0 6px;
}
.key-terms dt:first-of-type { margin-top: 0; }
.key-terms dd {
  font-family: var(--serif);
  font-size: 15px;
  color: var(--ink-soft);
  line-height: 1.85;
  margin: 0;
  padding-left: 14px;
  border-left: 2px solid var(--line);
}

/* 反思一题 — 软高亮，引导内省 */
.qbody.qreflection {
  background: var(--accent-light);
  padding: 22px 26px;
  border-radius: 6px;
  border-left: 3px solid var(--accent-soft);
  margin-bottom: 28px;
}
.qbody.qreflection h3 { color: var(--accent); margin-bottom: 10px; }
.qbody.qreflection p {
  font-family: var(--serif); font-size: 16px;
  font-style: italic; color: var(--ink-soft);
  margin: 0; line-height: 1.85;
}

.qmeta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px; flex-wrap: wrap;
  padding-top: 24px;
  border-top: 1px dashed var(--line);
}
.qtags { display: flex; gap: 8px; flex-wrap: wrap; }
.qtags a {
  font-family: var(--sans); font-size: 12px;
  padding: 3px 12px;
  background: var(--bg-soft);
  border-radius: 999px;
  color: var(--ink-soft);
  transition: all 0.15s;
  text-decoration: none;
}
.qtags a:hover {
  background: var(--accent); color: #fff;
  text-decoration: none;
}
.qactions { display: flex; gap: 8px; }
.qact {
  font-family: var(--sans); font-size: 13px;
  padding: 7px 16px;
  border: 1px solid var(--line);
  background: var(--bg-card);
  color: var(--ink-soft);
  border-radius: 999px;
  transition: all 0.15s;
}
.qact:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.qact.on {
  background: var(--accent); border-color: var(--accent);
  color: #fff;
}

.reader-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 32px 0 18px;
  gap: 12px;
}
.nav-btn {
  font-family: var(--sans); font-size: 14px;
  color: var(--ink-soft);
  background: var(--bg-card);
  border: 1px solid var(--line);
  padding: 12px 24px;
  border-radius: 8px;
  display: flex; align-items: center; gap: 10px;
  transition: all 0.15s;
  flex: 1; max-width: 200px;
}
.nav-btn .arr {
  font-family: var(--serif); font-size: 18px;
  color: var(--muted);
  transition: transform 0.15s;
}
.nav-btn.prev { justify-content: flex-start; }
.nav-btn.next { justify-content: flex-end; }
.nav-btn:hover:not(:disabled) {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-light);
}
.nav-btn:hover:not(:disabled) .arr { color: var(--accent); }
.nav-btn.prev:hover:not(:disabled) .arr { transform: translateX(-3px); }
.nav-btn.next:hover:not(:disabled) .arr { transform: translateX(3px); }
.nav-btn:disabled { opacity: 0.35; cursor: not-allowed; }
.reader-pos {
  font-family: var(--serif);
  text-align: center;
  color: var(--ink-soft);
}
.reader-pos strong {
  font-size: 22px; font-weight: 600;
  color: var(--ink);
  letter-spacing: 0.05em;
}
.reader-pos small {
  font-size: 13px; color: var(--muted);
  margin-left: 4px;
}

.reader-tools {
  display: flex; justify-content: center; gap: 16px;
  margin-bottom: 24px;
}
.reader-tools .tool {
  font-family: var(--sans); font-size: 13px;
  color: var(--muted);
  padding: 6px 14px; border-radius: 999px;
  text-decoration: none;
  background: none; border: none;
  transition: all 0.15s;
}
.reader-tools .tool:hover {
  color: var(--accent); background: var(--accent-light);
  text-decoration: none;
}
.reader-hint {
  text-align: center;
  font-family: var(--sans); font-size: 12px;
  color: var(--muted-2);
  margin: 24px 0 0;
  letter-spacing: 0.04em;
}
.reader-hint kbd { margin: 0 1px; }

.reader-empty {
  max-width: 480px; margin: 80px auto;
  text-align: center;
  font-family: var(--serif);
  color: var(--ink-soft);
}
.reader-empty p { font-size: 16px; margin-bottom: 24px; }
.reader-empty em {
  font-style: normal; color: var(--accent);
  padding: 0 4px;
}
.btn-primary {
  display: inline-block;
  font-family: var(--sans); font-size: 14px;
  padding: 10px 22px;
  background: var(--accent); color: #fff;
  border-radius: 999px;
  text-decoration: none;
  transition: all 0.15s;
}
.btn-primary:hover { background: #6f2e2e; text-decoration: none; }

/* ═════ 目录 ═════ */
.library .lib-head {
  text-align: center; padding: 24px 0 36px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 48px;
}
.library .lib-head h1 {
  font-family: var(--serif);
  font-size: 44px; font-weight: 600;
  letter-spacing: 0.2em;
  margin: 0 0 14px;
  position: relative;
  display: inline-block;
}
.library .lib-head h1::before,
.library .lib-head h1::after {
  content: "";
  display: inline-block;
  width: 28px; height: 1px;
  background: var(--accent);
  vertical-align: middle;
  margin: 0 22px;
  opacity: 0.55;
}
.library .tagline {
  font-family: var(--serif); font-size: 16px;
  color: var(--ink-soft);
  max-width: 480px; margin: 0 auto 24px;
}
.lib-stats {
  display: inline-flex; gap: 8px;
  margin-top: 6px;
}
.lib-stats a {
  display: flex; flex-direction: column;
  align-items: center;
  padding: 12px 28px; min-width: 96px;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: 6px;
  text-decoration: none;
  transition: all 0.15s;
}
.lib-stats a:hover {
  border-color: var(--accent-soft);
  background: var(--accent-light);
  text-decoration: none;
  transform: translateY(-1px);
}
.lib-stats a strong {
  font-family: var(--serif); font-size: 26px;
  font-weight: 600; color: var(--ink);
  line-height: 1.1;
}
.lib-stats a span {
  font-family: var(--sans); font-size: 12px;
  color: var(--muted); margin-top: 4px;
  letter-spacing: 0.1em;
}

/* 继续阅读 — 上次停留位置卡片 */
.continue-card {
  display: block;
  padding: 22px 28px;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  border-radius: 6px;
  text-decoration: none;
  color: inherit;
  margin: 0 0 36px;
  transition: all 0.18s;
}
.continue-card:hover {
  text-decoration: none;
  border-color: var(--accent-soft);
  border-left-color: var(--accent);
  transform: translateX(2px);
  box-shadow: var(--shadow-md);
}
.cont-meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-family: var(--sans);
  margin-bottom: 8px;
}
.cont-label {
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--accent);
  font-weight: 500;
  text-transform: uppercase;
}
.cont-label::after {
  content: " →";
  font-family: var(--serif);
  letter-spacing: 0;
}
.cont-pos {
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.05em;
}
.cont-where {
  font-family: var(--serif);
  font-size: 15px;
  color: var(--ink-soft);
  margin-bottom: 6px;
  font-weight: 500;
}
.cont-preview {
  font-family: var(--serif);
  font-size: 17px;
  color: var(--ink);
  line-height: 1.6;
  font-style: italic;
}

.section-label {
  font-family: var(--sans); font-size: 12px;
  letter-spacing: 0.3em; text-transform: uppercase;
  color: var(--muted); margin: 56px 0 14px;
  display: flex; align-items: baseline; gap: 12px;
}
.section-label::before {
  content: ""; width: 32px; height: 1px;
  background: var(--accent);
  display: inline-block;
}
.lib-sub {
  font-family: var(--serif); font-size: 15px;
  color: var(--ink-soft);
  max-width: 720px;
  margin: 0 0 22px;
}

.grid-schools {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}
.tile-school {
  display: block;
  padding: 24px 26px 18px;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: 6px;
  border-left: 4px solid var(--school-color, var(--accent));
  text-decoration: none; color: inherit;
  transition: all 0.18s;
}
.tile-school:hover {
  text-decoration: none;
  border-color: var(--school-color, var(--accent-soft));
  border-left-color: var(--school-color, var(--accent));
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.tile-school .name {
  font-family: var(--serif); font-size: 22px;
  font-weight: 600; letter-spacing: 0.1em;
  margin: 0 0 8px;
  display: flex; align-items: baseline; gap: 12px;
}
.tile-school .name .sub {
  font-family: var(--sans); font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--school-color, var(--accent));
  font-weight: 500;
}
.tile-school .one {
  font-family: var(--serif); font-size: 14px;
  color: var(--ink-soft); margin: 0 0 12px;
  line-height: 1.7;
}
.tile-school .ideas {
  display: flex; flex-wrap: wrap; gap: 6px;
  margin-bottom: 12px;
}
.tile-school .ideas span {
  font-family: var(--sans); font-size: 11px;
  padding: 2px 9px;
  background: var(--bg-soft);
  border-radius: 999px;
  color: var(--muted);
}
.tile-school .bar-row {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--sans); font-size: 11px;
  color: var(--muted); letter-spacing: 0.05em;
}
.tile-school .bar {
  flex: 1; height: 4px;
  background: var(--bg-dark);
  border-radius: 999px; overflow: hidden;
}
.tile-school .bar i {
  display: block; height: 100%;
  background: var(--school-color, var(--accent));
  transition: width 0.3s;
}

.grid-themes {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 12px;
}
.tile-theme {
  display: block;
  padding: 18px 22px;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: 6px;
  text-decoration: none; color: inherit;
  transition: all 0.18s;
}
.tile-theme:hover {
  text-decoration: none;
  border-color: var(--accent-soft);
  background: var(--accent-light);
}
.tile-theme .name {
  font-family: var(--serif); font-size: 17px;
  font-weight: 600; color: var(--ink);
  margin: 0 0 4px;
}
.tile-theme .desc {
  font-family: var(--serif); font-size: 13px;
  color: var(--ink-soft); margin: 0;
  line-height: 1.7;
}
.tile-theme .meta {
  font-family: var(--sans); font-size: 11px;
  color: var(--muted); margin: 6px 0 0;
  letter-spacing: 0.06em;
}

.path-stages { display: grid; gap: 18px; }
.stage-card {
  padding: 24px 28px;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  border-radius: 6px;
}
.stage-card .head {
  display: flex; justify-content: space-between;
  align-items: baseline; gap: 12px; flex-wrap: wrap;
  margin-bottom: 8px;
}
.stage-card .stage {
  font-family: var(--sans); font-size: 11px;
  letter-spacing: 0.3em; color: var(--accent);
  font-weight: 500;
}
.stage-card .duration {
  font-family: var(--sans); font-size: 12px;
  color: var(--muted);
}
.stage-card .title {
  font-family: var(--serif); font-size: 20px;
  font-weight: 600; margin: 0 0 6px;
}
.stage-card .desc {
  font-family: var(--serif); font-size: 14px;
  color: var(--ink-soft); margin: 0 0 16px;
  line-height: 1.8;
}
.stage-card .books {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 6px 18px;
  font-family: var(--serif); font-size: 14px;
}
.stage-card .books a {
  padding: 8px 0;
  border-top: 1px solid var(--line-soft);
  display: flex; justify-content: space-between;
  gap: 12px; text-decoration: none; color: inherit;
}
.stage-card .books a:hover {
  color: var(--accent); text-decoration: none;
}
.stage-card .books a .t { color: var(--ink); font-weight: 500; }
.stage-card .books a .f {
  font-family: var(--sans); font-size: 12px;
  color: var(--muted);
}

@media (max-width: 720px) {
  nav.top .inner {
    padding: 10px 16px; gap: 14px;
    flex-wrap: wrap;
  }
  nav.top .links { gap: 16px; font-size: 14px; }
  nav.top .search {
    margin-left: 0; order: 3; width: 100%; gap: 6px;
  }
  nav.top .search-mode-btn { padding: 3px 8px; font-size: 12px; }
  nav.top .search input {
    width: 100%; min-width: 0;
  }
  nav.top .search input:focus { min-width: 0; }
  nav.top .brand {
    font-size: 18px;
    border-right: none;
    padding-right: 0;
  }
  .library .lib-head h1::before,
  .library .lib-head h1::after { width: 20px; margin: 0 14px; }

  .app { padding: 24px 16px 56px; }

  .reader-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }
  .reader-progress { width: 100%; justify-content: space-between; }
  .reader-progress .bar { flex: 1; max-width: 220px; }

  .reader-card {
    padding: 32px 24px 28px;
    border-radius: 6px;
  }
  .qseal {
    top: 16px; right: 18px;
    width: 24px; height: 34px;
    font-size: 11px;
  }
  .continue-card {
    padding: 18px 22px;
    margin-bottom: 28px;
  }
  .cont-preview { font-size: 15px; }
  .qtext { font-size: 24px; line-height: 1.6; }
  .qbody p { font-size: 16px; }
  .qbody.qmodern { padding: 18px 20px; }
  .qmeta {
    flex-direction: column;
    align-items: flex-start;
  }

  .reader-nav { gap: 8px; }
  .nav-btn { padding: 10px 14px; font-size: 13px; }
  .reader-pos strong { font-size: 18px; }

  .reader-hint { display: none; }

  .library .lib-head h1 { font-size: 32px; }
  .lib-stats a { padding: 10px 18px; min-width: 76px; }
  .lib-stats a strong { font-size: 22px; }
}

@media (max-width: 460px) {
  .qhead .qschool { display: block; margin-bottom: 6px; }
  .nav-btn { padding: 9px 10px; }
  .nav-btn.prev .arr { display: none; }
  .nav-btn.next .arr { display: none; }
}

.advise-loading, .advise-error {
  max-width: 620px;
  margin: 80px auto;
  text-align: center;
  padding: 40px 20px;
}
.advise-q {
  font-size: 18px;
  color: var(--ink);
  margin: 16px 0 8px;
  font-weight: 500;
}
.advise-hint, .advise-msg {
  color: var(--ink-soft);
  font-size: 14px;
  margin-top: 8px;
}
.advise-error .btn-primary { margin-top: 24px; display: inline-block; }
.advise-spinner {
  width: 32px;
  height: 32px;
  border: 2px solid var(--line);
  border-top-color: var(--accent);
  border-radius: 50%;
  margin: 0 auto;
  animation: advise-spin .9s linear infinite;
}
@keyframes advise-spin { to { transform: rotate(360deg); } }

/* ── advise banner (reader card, per-quote reason) ── */
/* Note: rgba() uses hardcoded RGB 139,58,58 = --accent #8b3a3a,
   because CSS custom properties don't combine with rgba() without color-mix */
.advise-banner {
  /* 右边不贴卡片边缘，给右上角的「明心」朱砂方印留位 */
  margin: -8px 0 24px -8px;
  padding: 12px 16px;
  background: linear-gradient(90deg, rgba(139, 58, 58, .06), transparent);
  border-left: 3px solid var(--accent);
  border-radius: 4px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 14px;
  line-height: 1.6;
}
.advise-tag {
  flex-shrink: 0;
  color: var(--accent);
  font-weight: 600;
  letter-spacing: .5px;
}
.advise-reason {
  color: var(--ink);
}