:root {
  --paper: #f1ecdc;
  --paper-raised: #f8f4e7;
  --ink: #2a2620;
  --ink-soft: #5c5548;
  --ink-faint: #8a8272;
  --rule: #d9d0b8;
  --jade: #2f6e5b;
  --jade-deep: #204b3e;
  --seal: #a7361f;
  --gold: #93752f;
  --shadow: rgba(42, 38, 32, 0.08);
  --font-display: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", "SimSun", serif;
  --font-body: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Hiragino Sans GB", sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #17191a;
    --paper-raised: #1e2122;
    --ink: #e6e1d3;
    --ink-soft: #b3ab98;
    --ink-faint: #776f5f;
    --rule: #38352c;
    --jade: #5fae93;
    --jade-deep: #3f8069;
    --seal: #d97a5c;
    --gold: #c7a355;
    --shadow: rgba(0, 0, 0, 0.35);
  }
}

:root[data-theme="dark"] {
  --paper: #17191a;
  --paper-raised: #1e2122;
  --ink: #e6e1d3;
  --ink-soft: #b3ab98;
  --ink-faint: #776f5f;
  --rule: #38352c;
  --jade: #5fae93;
  --jade-deep: #3f8069;
  --seal: #d97a5c;
  --gold: #c7a355;
  --shadow: rgba(0, 0, 0, 0.35);
}

:root[data-theme="light"] {
  --paper: #f1ecdc;
  --paper-raised: #f8f4e7;
  --ink: #2a2620;
  --ink-soft: #5c5548;
  --ink-faint: #8a8272;
  --rule: #d9d0b8;
  --jade: #2f6e5b;
  --jade-deep: #204b3e;
  --seal: #a7361f;
  --gold: #93752f;
  --shadow: rgba(42, 38, 32, 0.08);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background:
    radial-gradient(ellipse at top left, color-mix(in srgb, var(--jade) 6%, transparent), transparent 45%),
    var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

.wrap {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 24px 96px;
}

header.masthead {
  padding: 64px 0 32px;
  text-align: center;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 8px;
}

.eyebrow {
  font-family: var(--font-body);
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--gold);
  text-transform: uppercase;
  margin: 0 0 14px;
}

h1.title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(34px, 6vw, 52px);
  margin: 0 0 12px;
  letter-spacing: 0.02em;
  text-wrap: balance;
}

.title .accent { color: var(--jade); }

.subtitle {
  font-family: var(--font-body);
  color: var(--ink-soft);
  font-size: 15px;
  max-width: 560px;
  margin: 0 auto 20px;
  text-wrap: balance;
}

.update-line {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-body);
  font-size: 12.5px;
  color: var(--jade-deep);
  background: color-mix(in srgb, var(--jade) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--jade) 35%, transparent);
  border-radius: 999px;
  padding: 5px 14px;
  margin-bottom: 24px;
  font-variant-numeric: tabular-nums;
}

.update-line .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--jade);
  flex: 0 0 auto;
}

.stat-row {
  display: flex;
  justify-content: center;
  gap: 28px;
  font-family: var(--font-display);
  margin-bottom: 8px;
  flex-wrap: wrap;
}

.stat {
  text-align: center;
}

.stat b {
  display: block;
  font-size: 26px;
  font-variant-numeric: tabular-nums;
  color: var(--ink);
}

.stat span {
  font-family: var(--font-body);
  font-size: 12px;
  color: var(--ink-faint);
  letter-spacing: 0.04em;
}

.note {
  font-size: 13px;
  color: var(--ink-faint);
  max-width: 560px;
  margin: 20px auto 0;
  padding: 12px 16px;
  border: 1px dashed var(--rule);
  border-radius: 6px;
  background: color-mix(in srgb, var(--gold) 6%, transparent);
  text-align: left;
}

.controls {
  position: sticky;
  top: 0;
  z-index: 5;
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  backdrop-filter: blur(8px);
  padding: 16px 0;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 28px;
}

.search-box {
  position: relative;
  margin-bottom: 14px;
}

.search-box input {
  width: 100%;
  font-family: var(--font-body);
  font-size: 15px;
  padding: 11px 16px 11px 40px;
  border-radius: 8px;
  border: 1px solid var(--rule);
  background: var(--paper-raised);
  color: var(--ink);
  outline: none;
  transition: border-color 0.15s ease;
}

.search-box input:focus {
  border-color: var(--jade);
}

.search-box input:focus-visible {
  outline: 2px solid var(--jade);
  outline-offset: 1px;
}

.search-box::before {
  content: "搜";
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-display);
  font-size: 13px;
  color: var(--ink-faint);
  border: 1px solid var(--ink-faint);
  border-radius: 50%;
  width: 18px;
  height: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 8px;
}

.chip {
  flex: 0 0 auto;
  display: flex;
  align-items: baseline;
  gap: 6px;
  font-family: var(--font-body);
  font-size: 13px;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--rule);
  background: var(--paper-raised);
  color: var(--ink-soft);
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 0.15s ease, color 0.15s ease;
}

.chip:hover {
  border-color: var(--jade);
  color: var(--jade);
}

.chip-range {
  font-size: 11px;
  color: var(--ink-faint);
  font-variant-numeric: tabular-nums;
}

.arc {
  margin-bottom: 48px;
  scroll-margin-top: 140px;
}

.arc-head {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 18px;
}

.arc-seal {
  flex: 0 0 auto;
  width: 44px;
  height: 44px;
  border-radius: 8px;
  background: var(--jade-deep);
  color: var(--paper-raised);
  font-family: var(--font-display);
  font-size: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 6px var(--shadow);
}

.arc-head h2 {
  font-family: var(--font-display);
  font-size: 23px;
  margin: 0 0 2px;
  letter-spacing: 0.02em;
}

.arc-meta {
  margin: 0;
  font-size: 12.5px;
  color: var(--ink-faint);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

.ep-list {
  display: flex;
  flex-direction: column;
}

.ep {
  display: flex;
  gap: 18px;
  padding: 16px 4px;
  border-bottom: 1px solid var(--rule);
  transition: background 0.15s ease;
}

.ep:last-child { border-bottom: none; }

.ep-num {
  flex: 0 0 auto;
  width: 40px;
  padding-top: 2px;
  font-family: var(--font-display);
  font-size: 15px;
  font-variant-numeric: tabular-nums;
  color: var(--seal);
  text-align: right;
  opacity: 0.85;
}

.ep-title {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  margin: 0 0 4px;
  color: var(--ink);
  letter-spacing: 0.01em;
}

.ep-link {
  display: inline-flex;
  align-items: baseline;
  gap: 5px;
  text-decoration: none;
  color: inherit;
  border-bottom: 1px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.ep-link:hover,
.ep-link:focus-visible {
  color: var(--jade);
  border-bottom-color: var(--jade);
}

.ep-link:focus-visible {
  outline: 2px solid var(--jade);
  outline-offset: 3px;
  border-bottom-color: transparent;
}

.ep-link-icon {
  font-size: 12px;
  color: var(--ink-faint);
  transition: color 0.15s ease;
}

.ep-link:hover .ep-link-icon,
.ep-link:focus-visible .ep-link-icon {
  color: var(--jade);
}

.ep-summary {
  margin: 0;
  font-size: 14.5px;
  color: var(--ink-soft);
  max-width: 62ch;
}

.ep.hide { display: none; }

.empty-state {
  text-align: center;
  padding: 64px 0;
  color: var(--ink-faint);
  font-family: var(--font-display);
  font-size: 15px;
  display: none;
}

footer.colophon {
  text-align: center;
  color: var(--ink-faint);
  font-size: 12.5px;
  padding-top: 32px;
  border-top: 1px solid var(--rule);
  line-height: 1.9;
}

@media (max-width: 520px) {
  header.masthead { padding: 44px 0 24px; }
  .stat-row { gap: 18px; }
  .ep { gap: 12px; }
  .ep-num { width: 32px; font-size: 13px; }
}

/* ============ 单集页 / 篇章页 ============ */

.crumbs {
  font-size: 13px;
  color: var(--ink-faint);
  padding: 28px 0 0;
  letter-spacing: 0.02em;
}
.crumbs a { color: var(--jade); text-decoration: none; }
.crumbs a:hover { text-decoration: underline; }
.crumbs .sep { margin: 0 6px; opacity: 0.5; }

.detail-head {
  padding: 20px 0 28px;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 32px;
}
.detail-head .eyebrow { margin-bottom: 10px; text-transform: none; letter-spacing: 0.1em; }
h1.detail-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(26px, 4.5vw, 38px);
  margin: 0 0 14px;
  line-height: 1.3;
  text-wrap: balance;
}
.detail-meta {
  font-size: 14px;
  color: var(--ink-soft);
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  align-items: center;
}
.detail-meta .bili {
  color: var(--jade);
  text-decoration: none;
  border: 1px solid color-mix(in srgb, var(--jade) 35%, transparent);
  border-radius: 999px;
  padding: 3px 12px;
  font-size: 13px;
}
.detail-meta .bili:hover { background: color-mix(in srgb, var(--jade) 10%, transparent); }

.block { margin: 0 0 40px; }
.block > h2 {
  font-family: var(--font-display);
  font-size: 19px;
  margin: 0 0 14px;
  padding-left: 12px;
  border-left: 3px solid var(--jade);
  line-height: 1.4;
}
.lede {
  font-size: 17px;
  line-height: 1.9;
  margin: 0 0 14px;
  color: var(--ink);
}
.block p { color: var(--ink-soft); line-height: 1.85; margin: 0 0 12px; }
.block .source-note { font-size: 13px; color: var(--ink-faint); }

.meme-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.meme-list li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  background: var(--paper-raised);
  border: 1px solid var(--rule);
  border-radius: 8px;
  padding: 10px 14px;
}
.meme-text { flex: 1; color: var(--ink); }
.meme-count {
  font-size: 12px;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.peak-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.peak-list li { display: flex; gap: 14px; }
.peak-at {
  font-variant-numeric: tabular-nums;
  color: var(--seal);
  font-size: 13px;
  font-weight: 600;
  padding-top: 2px;
  min-width: 46px;
}
.peak-body { flex: 1; }
.peak-body p { margin: 0 0 4px; color: var(--ink); font-size: 15px; }
.peak-density { font-size: 12px; color: var(--ink-faint); }

.pager {
  display: flex;
  gap: 12px;
  justify-content: space-between;
  margin: 40px 0;
  padding: 20px 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.pager a {
  flex: 1;
  text-decoration: none;
  padding: 12px 16px;
  border-radius: 10px;
  background: var(--paper-raised);
  border: 1px solid var(--rule);
  transition: border-color 0.15s;
}
.pager a:hover { border-color: var(--jade); }
.pager .dir { display: block; font-size: 12px; color: var(--ink-faint); margin-bottom: 4px; }
.pager .name { color: var(--ink); font-size: 15px; }
.pager .next { text-align: right; }
.pager .spacer { flex: 1; }

.sibling-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; }
.sibling-list a {
  display: flex;
  gap: 12px;
  padding: 8px 12px;
  border-radius: 6px;
  text-decoration: none;
  color: var(--ink-soft);
  font-size: 15px;
}
.sibling-list a:hover { background: var(--paper-raised); color: var(--ink); }
.sibling-list .n {
  font-variant-numeric: tabular-nums;
  color: var(--ink-faint);
  font-size: 13px;
  min-width: 34px;
  padding-top: 2px;
}
.sibling-list li.current a { background: color-mix(in srgb, var(--jade) 12%, transparent); color: var(--ink); font-weight: 600; }

.ep-more {
  display: inline-block;
  margin-top: 6px;
  font-size: 13px;
  color: var(--jade);
  text-decoration: none;
}
.ep-more:hover { text-decoration: underline; }

@media (max-width: 640px) {
  .pager { flex-direction: column; }
  .pager .next { text-align: left; }
}