:root {
  --paper: #f8f5ee;
  --paper-2: #f1ebdf;
  --paper-3: #eae2d2;
  --surface: #fffdf9;
  --ink: #17231f;
  --ink-2: #3d4a44;
  --muted: #7d847c;
  --gold: #a98147;
  --gold-2: #c9a46d;
  --gold-faint: #e3d2b5;
  --line: rgba(23, 35, 31, 0.12);
  --line-strong: rgba(23, 35, 31, 0.22);
  --night: #0b1720;
  --night-2: #12232e;
  --serif: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, serif;
  --sans: "Segoe UI", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --cn-serif: "Noto Serif SC", "Songti SC", SimSun, serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  color: var(--ink);
  background:
    radial-gradient(circle at 8% 2%, rgba(255, 255, 255, 0.96), transparent 34%),
    radial-gradient(circle at 92% 10%, rgba(169, 129, 71, 0.07), transparent 28%),
    radial-gradient(circle at 40% 86%, rgba(209, 196, 170, 0.1), transparent 42%),
    var(--paper);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.22;
  background-image: radial-gradient(rgba(23, 35, 31, 0.07) 0.55px, transparent 0.55px);
  background-size: 4px 4px;
}

body.nav-open,
body.modal-open {
  overflow: hidden;
}

button,
input,
select {
  font: inherit;
}

button {
  color: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

::selection {
  background: rgba(169, 129, 71, 0.24);
}

:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  z-index: 400;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.2s;
}

.reading-progress.is-on {
  opacity: 1;
}

.reading-progress span {
  display: block;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--gold-2), var(--gold));
}

/* ------------------------------------------------------------------ */
/* Header                                                              */
/* ------------------------------------------------------------------ */

.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  border-bottom: 1px solid var(--line);
  background: rgba(248, 245, 238, 0.88);
  backdrop-filter: blur(18px) saturate(1.15);
}

.header-inner {
  position: relative;
  max-width: 1480px;
  height: 78px;
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
  align-items: center;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  flex-shrink: 0;
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid rgba(169, 129, 71, 0.5);
  background: #fff;
  object-fit: cover;
}

.brand-copy {
  display: grid;
  gap: 2px;
}

.brand-copy strong {
  font-family: var(--cn-serif);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.1em;
  line-height: 1.2;
}

.brand-copy em {
  font-family: var(--serif);
  font-size: 8.5px;
  font-style: normal;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
}

.main-nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 2px;
}

.nav-item {
  position: relative;
}

.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 28px 12px;
  border: 0;
  background: none;
  color: var(--ink-2);
  font-size: 13.5px;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: color 0.18s;
}

.nav-link:hover,
.nav-item.is-active .nav-link {
  color: var(--ink);
}

.nav-item.is-active .nav-link::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 19px;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--gold);
  transform: translateX(-50%);
}

.chevron {
  width: 5px;
  height: 5px;
  border-right: 1px solid currentColor;
  border-bottom: 1px solid currentColor;
  transform: rotate(45deg) translateY(-1px);
  transition: transform 0.18s;
  opacity: 0.6;
}

.nav-item.is-open .chevron {
  transform: rotate(-135deg) translateY(-1px);
}

.nav-panel {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  width: 250px;
  padding: 7px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 22px 54px rgba(20, 31, 26, 0.16);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translate(-50%, -5px);
  transition:
    opacity 0.18s,
    transform 0.18s,
    visibility 0.18s;
}

.nav-panel-wide {
  width: 356px;
}

.nav-item.is-open .nav-panel {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translate(-50%, 0);
}

.nav-panel-link {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 12px;
  border-radius: 5px;
  transition: background 0.15s;
}

.nav-panel-link:hover {
  background: var(--paper-2);
}

.panel-index {
  min-width: 22px;
  padding-top: 1px;
  font-family: var(--serif);
  font-size: 15px;
  color: var(--gold);
  letter-spacing: 0.04em;
}

.panel-copy {
  display: grid;
  gap: 3px;
}

.panel-copy b {
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.panel-copy small {
  font-size: 10.5px;
  line-height: 1.6;
  color: var(--muted);
}

.panel-arrow {
  margin-left: auto;
  padding-top: 1px;
  color: var(--gold);
  opacity: 0.45;
  font-size: 13px;
}

.nav-panel-feature {
  background: linear-gradient(100deg, rgba(169, 129, 71, 0.09), transparent 75%);
}

.header-action {
  flex-shrink: 0;
  margin-left: 8px;
  padding: 10px 18px;
  border: 1px solid var(--ink);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  transition:
    background 0.18s,
    color 0.18s;
}

.header-action:hover {
  background: var(--ink);
  color: var(--paper);
}

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  margin-left: auto;
  border: 1px solid var(--line);
  background: transparent;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}

.nav-toggle span {
  width: 17px;
  height: 1px;
  background: var(--ink);
  transition: transform 0.18s, opacity 0.18s;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* ------------------------------------------------------------------ */
/* Shared                                                              */
/* ------------------------------------------------------------------ */

.app {
  flex: 1 0 auto;
  min-height: 70vh;
  outline: none;
}

.container {
  max-width: 1440px;
  margin: 0 auto;
  padding-left: 52px;
  padding-right: 52px;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 9.5px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gold);
}

.eyebrow::before {
  content: "";
  width: 42px;
  height: 1px;
  background: var(--gold);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 22px;
  border: 1px solid transparent;
  font-size: 12px;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition:
    background 0.18s,
    color 0.18s,
    border-color 0.18s,
    transform 0.18s;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

.btn-primary:hover {
  background: var(--gold);
  border-color: var(--gold);
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line-strong);
}

.btn-ghost:hover {
  border-color: var(--ink);
}

.btn-gold {
  background: var(--gold);
  color: #fff;
  border-color: var(--gold);
}

.btn-gold:hover {
  background: #8e6a39;
  border-color: #8e6a39;
}

.page-wrap {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 52px 96px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 7px;
  padding-top: 25px;
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.03em;
}

.breadcrumb a:hover {
  color: var(--gold);
}

.breadcrumb span {
  color: rgba(125, 132, 124, 0.55);
}

.breadcrumb .current {
  color: var(--ink-2);
}

.page-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  padding: 32px 0 30px;
  border-bottom: 1px solid var(--line);
}

.page-kicker {
  margin-bottom: 10px;
  font-size: 9px;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-title {
  margin: 0 0 9px;
  font-family: var(--cn-serif);
  font-size: clamp(34px, 4vw, 48px);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: 0.01em;
}

.page-sub {
  max-width: 650px;
  margin: 0;
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.85;
}

.page-meta {
  display: flex;
  gap: 26px;
  flex-shrink: 0;
}

.page-stat {
  display: grid;
  gap: 3px;
  min-width: 62px;
}

.page-stat b {
  font-family: var(--serif);
  font-size: 23px;
  font-weight: 500;
  line-height: 1;
}

.page-stat span {
  font-size: 8.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-actions {
  display: flex;
  gap: 9px;
  flex-wrap: wrap;
  margin-top: 20px;
}

.section-block {
  padding-top: 68px;
  padding-bottom: 68px;
  border-top: 1px solid var(--line);
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 30px;
  margin-bottom: 30px;
}

.section-kicker {
  margin-bottom: 8px;
  font-size: 9px;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--gold);
}

.section-title {
  margin: 0;
  font-family: var(--cn-serif);
  font-size: clamp(26px, 3vw, 34px);
  font-weight: 600;
  letter-spacing: 0.02em;
}

.section-desc {
  max-width: 460px;
  margin: 0;
  color: var(--muted);
  font-size: 12.5px;
  line-height: 1.8;
}

/* ------------------------------------------------------------------ */
/* Home                                                                */
/* ------------------------------------------------------------------ */

.home-hero {
  display: grid;
  grid-template-columns: 1.04fr 0.96fr;
  align-items: center;
  gap: clamp(42px, 6vw, 90px);
  min-height: 620px;
  padding-top: 58px;
  padding-bottom: 56px;
}

.hero-copy {
  max-width: 700px;
}

.hero-title {
  margin: 22px 0 18px;
  font-family: var(--serif);
  font-size: clamp(48px, 6.2vw, 82px);
  font-weight: 500;
  line-height: 0.99;
  letter-spacing: -0.04em;
}

.hero-title em {
  font-style: italic;
  color: var(--gold);
}

.hero-sub {
  margin: 0 0 15px;
  font-family: var(--cn-serif);
  font-size: clamp(17px, 1.7vw, 21px);
  letter-spacing: 0.08em;
  color: var(--ink-2);
}

.hero-intro {
  max-width: 570px;
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.9;
}

.hero-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 27px;
}

.hero-stats {
  display: flex;
  margin-top: 36px;
  padding: 17px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.stat {
  flex: 1;
  min-width: 0;
  padding: 0 18px;
  border-left: 1px solid var(--line);
}

.stat:first-child {
  padding-left: 0;
  border-left: 0;
}

.stat b {
  display: block;
  font-family: var(--serif);
  font-size: 26px;
  font-weight: 500;
  line-height: 1;
}

.stat span {
  display: block;
  margin-top: 6px;
  font-size: 8px;
  letter-spacing: 0.17em;
  text-transform: uppercase;
  color: var(--muted);
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: flex-end;
  min-width: 0;
}

.poster-frame {
  position: relative;
  width: min(100%, 466px);
  margin-right: clamp(0px, 1.5vw, 18px);
}

.poster-frame::before {
  content: "";
  position: absolute;
  inset: -19px -19px 34px -19px;
  border: 1px solid rgba(169, 129, 71, 0.24);
  border-radius: 50% 50% 2px 2px;
  pointer-events: none;
}

.poster-frame::after {
  content: "";
  position: absolute;
  inset: 9% -30px -20px 34%;
  border: 1px solid rgba(169, 129, 71, 0.16);
  border-radius: 50%;
  pointer-events: none;
}

.poster-img {
  position: relative;
  z-index: 1;
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: 50% 34%;
  border: 1px solid rgba(169, 129, 71, 0.55);
  filter: saturate(0.9) contrast(1.03);
  box-shadow: 0 34px 80px rgba(18, 28, 24, 0.25);
}

.poster-caption {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: -1px 18px 0 18px;
  padding: 11px 14px;
  border: 1px solid var(--line);
  border-top: 0;
  background: rgba(248, 245, 238, 0.94);
  backdrop-filter: blur(10px);
  font-size: 8.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.poster-caption b {
  font-weight: 500;
  color: var(--ink-2);
}

.floating-word {
  position: absolute;
  z-index: 3;
  left: clamp(-16px, -1vw, 0px);
  bottom: 76px;
  width: 208px;
  padding: 14px 15px 12px;
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: 0 18px 44px rgba(20, 31, 26, 0.16);
  transform: rotate(-2deg);
  text-align: left;
  cursor: pointer;
}

.floating-word small {
  display: block;
  font-size: 7.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
}

.floating-word b {
  display: block;
  margin: 5px 0 2px;
  font-family: var(--serif);
  font-size: 25px;
  font-weight: 500;
  line-height: 1.1;
}

.floating-word span {
  display: block;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.55;
}

.level-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.level-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 276px;
  padding: 24px 24px 21px;
  border: 1px solid var(--line);
  background: rgba(255, 253, 249, 0.86);
  overflow: hidden;
  transition:
    border-color 0.2s,
    transform 0.2s,
    box-shadow 0.2s;
}

.level-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent, var(--gold));
  transition: width 0.25s;
}

.level-card:hover {
  border-color: rgba(169, 129, 71, 0.48);
  transform: translateY(-4px);
  box-shadow: 0 20px 46px rgba(20, 31, 26, 0.09);
}

.level-card:hover::before {
  width: 100%;
}

.level-card-high {
  background:
    linear-gradient(155deg, rgba(169, 129, 71, 0.11), transparent 58%),
    rgba(255, 253, 249, 0.9);
}

.level-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}

.level-number {
  font-family: var(--serif);
  font-size: 12px;
  letter-spacing: 0.15em;
  color: var(--gold);
}

.level-badge {
  padding: 3px 7px;
  border: 1px solid rgba(169, 129, 71, 0.4);
  font-size: 7.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
}

.level-name {
  margin: 28px 0 3px;
  font-family: var(--cn-serif);
  font-size: 29px;
  font-weight: 600;
  letter-spacing: 0.03em;
}

.level-en {
  font-family: var(--serif);
  font-size: 9px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--muted);
}

.level-blurb {
  margin: 15px 0 14px;
  color: var(--muted);
  font-size: 12.5px;
  line-height: 1.8;
}

.level-samples {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-bottom: 14px;
}

.level-samples span {
  padding: 3px 7px;
  border: 1px solid var(--line);
  font-family: var(--serif);
  font-size: 10.5px;
  color: var(--ink-2);
  background: rgba(248, 245, 238, 0.7);
}

.level-foot {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 14px;
  margin-top: auto;
}

.level-stats {
  display: flex;
  gap: 18px;
}

.level-stats div {
  display: grid;
  gap: 2px;
}

.level-stats b {
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 500;
  line-height: 1;
}

.level-stats span {
  font-size: 7.5px;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--muted);
}

.level-enter {
  font-size: 9.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  white-space: nowrap;
}

.level-enter::after {
  content: " →";
}

.story-feature {
  position: relative;
  overflow: hidden;
  padding: 55px 0;
  background:
    radial-gradient(circle at 84% 22%, rgba(169, 129, 71, 0.24), transparent 32%),
    radial-gradient(circle at 8% 96%, rgba(82, 110, 122, 0.2), transparent 38%),
    var(--night);
  color: #f7f2e8;
}

.story-feature::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: linear-gradient(90deg, transparent, #000 30%, #000 70%, transparent);
  pointer-events: none;
}

.feature-inner {
  position: relative;
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  align-items: center;
  gap: 48px;
}

.feature-kicker {
  font-size: 9px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gold-2);
}

.feature-title {
  margin: 15px 0 13px;
  font-family: var(--serif);
  font-size: clamp(34px, 4vw, 47px);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.feature-title em {
  color: var(--gold-2);
  font-style: italic;
}

.feature-desc {
  max-width: 480px;
  margin: 0;
  color: rgba(247, 242, 232, 0.66);
  font-size: 13px;
  line-height: 1.85;
}

.feature-stats {
  display: flex;
  gap: 30px;
  margin: 24px 0 25px;
}

.feature-stat {
  display: grid;
  gap: 3px;
}

.feature-stat b {
  font-family: var(--serif);
  font-size: 24px;
  font-weight: 500;
  color: var(--gold-2);
  line-height: 1;
}

.feature-stat span {
  font-size: 7.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(247, 242, 232, 0.48);
}

.feature-cta {
  border-color: rgba(201, 164, 109, 0.5);
  color: #f7f2e8;
}

.feature-cta:hover {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--night);
}

.feature-scenes {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 9px;
}

.feature-scenes a {
  position: relative;
  display: block;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.feature-scenes img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  filter: saturate(0.86);
  transition: transform 0.35s, filter 0.35s;
}

.feature-scenes a:hover img {
  transform: scale(1.04);
  filter: saturate(1);
}

.feature-scenes span {
  position: absolute;
  left: 8px;
  bottom: 7px;
  padding: 3px 6px;
  background: rgba(7, 18, 25, 0.56);
  color: rgba(255, 255, 255, 0.8);
  font-size: 7.5px;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.feature-scenes a:first-child {
  grid-column: span 2;
}

.feature-scenes a:first-child img {
  aspect-ratio: 16 / 8.6;
}

.feature-scenes a:nth-child(4) {
  display: none;
}

.how-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 26px;
}

.how-item {
  padding-top: 17px;
  border-top: 1px solid var(--line-strong);
}

.how-item b {
  display: block;
  margin-bottom: 9px;
  font-family: var(--serif);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.how-item h3 {
  margin: 0 0 8px;
  font-family: var(--cn-serif);
  font-size: 18px;
  font-weight: 600;
}

.how-item p {
  margin: 0;
  color: var(--muted);
  font-size: 12.5px;
  line-height: 1.8;
}

/* ------------------------------------------------------------------ */
/* Level / edition pages                                              */
/* ------------------------------------------------------------------ */

.level-hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
  padding: 36px 0 45px;
  border-bottom: 1px solid var(--line);
}

.level-hero-title {
  margin: 8px 0 8px;
  font-family: var(--cn-serif);
  font-size: clamp(38px, 4.5vw, 56px);
  font-weight: 600;
  line-height: 1.1;
}

.level-hero-en {
  font-family: var(--serif);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
}

.level-hero-desc {
  max-width: 620px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.9;
}

.level-meta {
  margin-top: 22px;
  padding-top: 15px;
  border-top: 1px solid var(--line);
}

.level-cover {
  position: relative;
  border: 1px solid var(--line);
  background: var(--surface);
}

.level-cover img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  filter: saturate(0.9);
}

.level-cover figcaption {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 12px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 8px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.group-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 15px;
  padding-top: 36px;
}

.group-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 190px;
  padding: 20px;
  border: 1px solid var(--line);
  background: rgba(255, 253, 249, 0.82);
  transition:
    border-color 0.18s,
    transform 0.18s,
    box-shadow 0.18s;
}

.group-card-wide {
  grid-column: 1 / -1;
}

.group-card:hover {
  border-color: rgba(169, 129, 71, 0.5);
  transform: translateY(-3px);
  box-shadow: 0 16px 36px rgba(20, 31, 26, 0.08);
}

.group-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.group-card h3 {
  margin: 10px 0 3px;
  font-family: var(--cn-serif);
  font-size: 24px;
  font-weight: 600;
}

.group-card small {
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 0.08em;
}

.group-count {
  font-family: var(--serif);
  font-size: 15px;
  color: var(--gold);
  white-space: nowrap;
}

.group-unit-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin: 16px 0;
}

.group-unit-pills span {
  padding: 3px 6px;
  border: 1px solid var(--line);
  font-size: 9px;
  color: var(--muted);
}

.group-enter {
  margin-top: auto;
  font-size: 9px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
}

.unit-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 13px;
  padding-top: 32px;
}

.unit-card {
  display: flex;
  flex-direction: column;
  min-height: 142px;
  padding: 18px;
  border: 1px solid var(--line);
  background: rgba(255, 253, 249, 0.82);
  transition:
    border-color 0.18s,
    transform 0.18s;
}

.unit-card:hover {
  border-color: rgba(169, 129, 71, 0.5);
  transform: translateY(-3px);
}

.unit-card-top {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.unit-card h3 {
  margin: 0;
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 500;
}

.unit-card .unit-count {
  font-size: 9px;
  letter-spacing: 0.12em;
  color: var(--gold);
  white-space: nowrap;
}

.unit-preview {
  margin: 12px 0 0;
  color: var(--muted);
  font-family: var(--serif);
  font-size: 12px;
  line-height: 1.7;
}

.unit-enter {
  margin-top: auto;
  padding-top: 14px;
  font-size: 8.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
}

.edition-switch {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.edition-switch a {
  padding: 8px 12px;
  border: 1px solid var(--line);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.edition-switch a.is-active,
.edition-switch a:hover {
  border-color: var(--gold);
  color: var(--gold);
}

/* ------------------------------------------------------------------ */
/* Story                                                               */
/* ------------------------------------------------------------------ */

.story-layout {
  display: grid;
  grid-template-columns: 252px minmax(0, 1fr);
  gap: 48px;
  align-items: start;
  padding-top: 28px;
}

.story-sidebar {
  position: sticky;
  top: 96px;
  max-height: calc(100vh - 120px);
  overflow: auto;
  align-self: start;
  padding-right: 16px;
  border-right: 1px solid var(--line);
  scrollbar-width: thin;
  scrollbar-color: rgba(169, 129, 71, 0.35) transparent;
}

.story-sidebar::-webkit-scrollbar,
.tree::-webkit-scrollbar {
  width: 4px;
}

.story-sidebar::-webkit-scrollbar-track,
.tree::-webkit-scrollbar-track {
  background: transparent;
}

.story-sidebar::-webkit-scrollbar-thumb,
.tree::-webkit-scrollbar-thumb {
  background: rgba(169, 129, 71, 0.32);
  border-radius: 4px;
}

.scene-group-label {
  margin: 18px 0 7px;
  padding-left: 10px;
  font-size: 8px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
}

.scene-link {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 7px;
  width: 100%;
  padding: 7px 9px;
  border: 0;
  border-left: 2px solid transparent;
  background: transparent;
  color: var(--ink-2);
  text-align: left;
  font-size: 11.5px;
  line-height: 1.4;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}

.scene-link:hover {
  background: var(--paper-2);
}

.scene-link b {
  padding-top: 1px;
  font-family: var(--serif);
  font-size: 10px;
  font-weight: 500;
  color: var(--gold);
}

.scene-link small {
  display: block;
  margin-top: 2px;
  color: var(--muted);
  font-size: 9px;
  line-height: 1.35;
}

.scene-link.is-active {
  border-left-color: var(--gold);
  background: rgba(169, 129, 71, 0.08);
  color: var(--ink);
}

.story-main {
  max-width: 860px;
  min-width: 0;
}

.scene-select-wrap {
  display: none;
  gap: 9px;
  align-items: center;
  margin-bottom: 22px;
}

.scene-select-wrap label {
  font-size: 9px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
}

.scene-select-wrap select {
  flex: 1;
  min-width: 0;
  padding: 9px 12px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink-2);
  font-size: 12px;
}

.scene-head {
  display: grid;
  grid-template-columns: 108px minmax(0, 1fr);
  gap: 24px;
  align-items: start;
  padding: 6px 0 27px;
  border-bottom: 1px solid var(--line);
}

.scene-number {
  font-family: var(--serif);
  font-size: 78px;
  font-weight: 400;
  line-height: 0.82;
  letter-spacing: -0.05em;
  color: var(--gold);
}

.scene-number small {
  display: block;
  margin-top: 9px;
  font-family: var(--sans);
  font-size: 7.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.scene-kicker {
  font-size: 9px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
}

.scene-title {
  margin: 8px 0 8px;
  font-family: var(--serif);
  font-size: clamp(31px, 3.8vw, 45px);
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: -0.025em;
}

.scene-title-zh {
  margin: 0;
  color: var(--muted);
  font-family: var(--cn-serif);
  font-size: 15px;
  letter-spacing: 0.04em;
}

.scene-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  margin-top: 13px;
  font-size: 8.5px;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--muted);
}

.scene-cover {
  position: relative;
  margin: 24px 0 6px;
  border: 1px solid var(--line);
  overflow: hidden;
}

.scene-cover img {
  width: 100%;
  max-height: 310px;
  object-fit: cover;
  filter: saturate(0.9);
}

.scene-cover figcaption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 30px 14px 10px;
  background: linear-gradient(transparent, rgba(7, 18, 25, 0.72));
  color: rgba(255, 255, 255, 0.82);
  font-size: 8.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* Section image strip: fixed-size shots, hover lifts & scales, neighbours overlap */
.section-shots {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin: 18px 0 6px;
  position: relative;
}

.section-shot {
  position: relative;
  z-index: 1;
  flex: 0 0 auto;
  width: clamp(200px, 30%, 320px);
  margin: 0;
  transform-origin: center 65%;
  transition:
    transform 0.3s cubic-bezier(0.22, 0.61, 0.36, 1),
    box-shadow 0.3s cubic-bezier(0.22, 0.61, 0.36, 1);
  will-change: transform;
}

.section-shot img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: 6px;
}

.section-shot:hover {
  z-index: 3;
  transform: translateY(-6px) scale(1.06);
  box-shadow: 0 16px 32px rgba(26, 32, 26, 0.24);
}

.story-main .section {
  padding: 43px 0 10px;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 100px;
}

.story-main .section:last-of-type {
  border-bottom: 0;
}

.story-main .section-head {
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 17px;
}

.story-main .section-num {
  padding-top: 5px;
  font-size: 9px;
  letter-spacing: 0.15em;
  color: var(--gold);
  white-space: nowrap;
}

.story-main .section-title {
  margin: 0 0 4px;
  font-family: var(--serif);
  font-size: 24px;
  font-weight: 500;
  line-height: 1.25;
}

.story-main .section-title-zh {
  margin: 0;
  color: var(--muted);
  font-size: 11.5px;
  letter-spacing: 0.03em;
}

.story-main .section-zh-btn {
  margin-left: -4px;
  flex-shrink: 0;
  padding: 4px 8px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  font-size: 9px;
  letter-spacing: 0.1em;
  cursor: pointer;
}

.story-main .section-zh-btn:hover,
.story-main .section-zh-btn[aria-expanded="true"] {
  border-color: var(--gold);
  color: var(--gold);
}

.section-read-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  flex-shrink: 0;
  margin-left: -4px;
  padding: 4px 9px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  font-size: 9px;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition:
    border-color 0.16s,
    color 0.16s,
    background 0.16s;
}

.section-read-btn::before {
  content: "▶";
  font-size: 7px;
}

.section-read-btn:hover,
.section-read-btn:focus-visible,
.section-read-btn.is-reading {
  border-color: var(--gold);
  background: rgba(169, 129, 71, 0.08);
  color: var(--gold);
}

.section-read-btn.is-reading::before {
  content: "■";
}

.reading-p {
  margin: 0 0 17px;
  color: #293630;
  font-family: var(--serif);
  font-size: 19.5px;
  line-height: 1.92;
  text-wrap: pretty;
}

.word-btn {
  display: inline;
  appearance: none;
  margin: 0;
  padding: 0 1px;
  border: 0;
  border-bottom: 1px dotted rgba(169, 129, 71, 0.72);
  border-radius: 1px;
  background: transparent;
  color: inherit;
  font: inherit;
  line-height: inherit;
  cursor: help;
  transition: background 0.14s, border-color 0.14s;
}

.word-btn:hover,
.word-btn:focus-visible {
  background: rgba(169, 129, 71, 0.14);
  border-bottom-color: var(--gold);
}

.tr-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 17px;
  height: 17px;
  margin-left: 3px;
  padding: 0;
  border: 1px solid rgba(169, 129, 71, 0.42);
  border-radius: 50%;
  background: transparent;
  color: var(--gold);
  font-family: var(--sans);
  font-size: 8.5px;
  line-height: 1;
  vertical-align: 2px;
  cursor: pointer;
  opacity: 0.35;
  transition: opacity 0.15s, background 0.15s;
}

.reading-p:hover .tr-btn,
.tr-btn:hover,
.tr-btn:focus-visible,
.tr-btn[aria-expanded="true"] {
  opacity: 1;
}

.tr-btn[aria-expanded="true"] {
  background: rgba(169, 129, 71, 0.14);
}

.sentence-zh {
  display: block;
  margin: 7px 0 13px;
  padding: 8px 12px;
  border-left: 2px solid rgba(169, 129, 71, 0.58);
  background: rgba(169, 129, 71, 0.055);
  color: var(--ink-2);
  font-family: var(--cn-serif);
  font-size: 14.5px;
  line-height: 1.85;
}

.sentence-zh[hidden],
.section-zh[hidden] {
  display: none;
}

.zh-target {
  color: var(--gold);
  font-weight: 600;
}

.story-main .section-zh {
  margin: 14px 0 22px;
  padding: 16px 18px;
  border: 1px solid rgba(169, 129, 71, 0.2);
  background: rgba(169, 129, 71, 0.045);
  color: var(--ink-2);
  font-family: var(--cn-serif);
  font-size: 15px;
  line-height: 1.95;
}

.story-main .section-zh p {
  margin: 0 0 9px;
}

.story-main .section-zh p:last-child {
  margin-bottom: 0;
}

.scene-nav {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 38px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.scene-nav a {
  display: grid;
  gap: 3px;
  max-width: 48%;
  padding: 12px 15px;
  border: 1px solid var(--line);
  font-size: 11px;
  color: var(--ink-2);
  transition: border-color 0.15s;
}

.scene-nav a:hover {
  border-color: var(--gold);
}

.scene-nav small {
  font-size: 8px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.scene-nav a.next {
  text-align: right;
  margin-left: auto;
}

/* ------------------------------------------------------------------ */
/* Word table                                                          */
/* ------------------------------------------------------------------ */

.table-layout {
  display: grid;
  grid-template-columns: 248px minmax(0, 1fr);
  gap: 40px;
  align-items: start;
  padding-top: 25px;
}

.tree {
  position: sticky;
  top: 96px;
  max-height: calc(100vh - 120px);
  overflow: auto;
  align-self: start;
  padding-right: 15px;
  border-right: 1px solid var(--line);
  scrollbar-width: thin;
  scrollbar-color: rgba(169, 129, 71, 0.35) transparent;
}

.tree-toggle {
  display: none;
  width: 100%;
  margin: 14px 0;
  padding: 10px 13px;
  border: 1px solid var(--line);
  background: var(--surface);
  text-align: left;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--ink-2);
  cursor: pointer;
}

.tree-toggle::after {
  content: "+";
  float: right;
  color: var(--gold);
}

.tree-toggle[aria-expanded="true"]::after {
  content: "−";
}

.tree details {
  border-bottom: 1px solid var(--line);
  padding: 4px 0 7px;
}

.tree summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 9px 4px;
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
}

.tree summary::-webkit-details-marker {
  display: none;
}

.tree summary::before {
  content: "+";
  width: 14px;
  color: var(--gold);
  font-weight: 400;
}

.tree details[open] summary::before {
  content: "−";
}

.tree summary span {
  margin-left: auto;
  font-size: 9px;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.tree-item {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  padding: 6px 8px 6px 18px;
  border-left: 2px solid transparent;
  color: var(--ink-2);
  font-size: 11.5px;
  line-height: 1.4;
  transition: background 0.15s, border-color 0.15s;
}

.tree-item:hover {
  background: var(--paper-2);
}

.tree-item.is-active {
  border-left-color: var(--gold);
  background: rgba(169, 129, 71, 0.08);
  color: var(--ink);
}

.tree-item small {
  color: var(--muted);
  font-size: 9px;
}

.table-main {
  min-width: 0;
}

.unit-bar {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  padding: 7px 0 12px;
  border-bottom: 1px solid var(--line);
}

.unit-bar h2,
.unit-bar .page-stat {
  display: none;
}

.unit-bar h2 {
  margin: 0 0 4px;
  font-family: var(--cn-serif);
  font-size: 27px;
  font-weight: 600;
}

.unit-bar p {
  margin: 0;
  color: var(--muted);
  font-size: 10.5px;
  line-height: 1.7;
}

.unit-bar .page-stat b {
  font-size: 21px;
}

.table-tools {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin: 17px 0 13px;
}

.search-box {
  position: relative;
  flex: 1;
  min-width: 200px;
  max-width: 360px;
}

.search-box span {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--muted);
  font-size: 15px;
  pointer-events: none;
}

.search-box input {
  width: 100%;
  padding: 10px 13px 10px 34px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
  font-size: 12px;
  outline: none;
}

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

.tool-toggle {
  padding: 9px 12px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 0.06em;
  cursor: pointer;
}

.tool-toggle:hover {
  border-color: var(--gold);
  color: var(--gold);
}

.tool-toggle.is-on {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--paper);
}

.result-count {
  margin-left: auto;
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.word-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.word-table th {
  position: sticky;
  top: 76px;
  z-index: 2;
  padding: 9px 11px;
  border-bottom: 1px solid var(--line-strong);
  background: var(--paper);
  color: var(--muted);
  text-align: left;
  font-size: 8.5px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.word-table td {
  padding: 11px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.word-table tbody tr {
  cursor: pointer;
  transition: background 0.13s;
}

.word-table tbody tr:hover {
  background: rgba(255, 253, 249, 0.72);
}

.row-index {
  width: 34px;
  color: var(--muted);
  font-family: var(--serif);
  font-size: 9px;
}

.cell-word {
  min-width: 120px;
  font-family: var(--serif);
  font-size: 17.5px;
  line-height: 1.25;
  color: var(--ink);
}

.row-source {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-family: var(--sans);
  font-size: 7.5px;
  letter-spacing: 0.04em;
  line-height: 1.3;
}

.cell-pos {
  color: var(--gold);
  font-size: 9.5px;
  white-space: nowrap;
}

.cell-meaning {
  max-width: 350px;
  color: var(--ink-2);
  line-height: 1.65;
}

.cell-ipa {
  color: var(--muted);
  font-size: 10.5px;
  white-space: nowrap;
}

.cell-example {
  max-width: 330px;
  color: var(--muted);
  font-size: 10.5px;
  line-height: 1.6;
}

.cell-example span {
  display: -webkit-box;
  overflow: hidden;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.empty-state {
  padding: 64px 20px;
  color: var(--muted);
  text-align: center;
  font-size: 13px;
  line-height: 1.9;
}

.table-note {
  margin-top: 15px;
  color: var(--muted);
  font-size: 10px;
  line-height: 1.7;
}

/* ------------------------------------------------------------------ */
/* FLTRP continuous word list                                          */
/* ------------------------------------------------------------------ */

.fltrp-page {
  /* 图片宽度；文字与图片的间距 = 该变量，缩放时同步 */
  --fltrp-thumb-w: clamp(160px, 12vw, 260px);
  padding-top: 0;
}

.fltrp-layout {
  display: grid;
  grid-template-columns: 238px minmax(0, 1fr);
  gap: 42px;
  align-items: start;
  padding-top: 24px;
}

.fltrp-nav {
  position: sticky;
  top: 96px;
  max-height: calc(100vh - 120px);
  overflow: auto;
  align-self: start;
  padding-right: 16px;
  border-right: 1px solid var(--line);
  scrollbar-width: thin;
  scrollbar-color: rgba(169, 129, 71, 0.35) transparent;
}

.fltrp-nav::-webkit-scrollbar {
  width: 4px;
}

.fltrp-nav::-webkit-scrollbar-thumb {
  background: rgba(169, 129, 71, 0.32);
  border-radius: 4px;
}

.fltrp-nav-head {
  padding: 4px 0 15px;
  border-bottom: 1px solid var(--line);
}

.fltrp-nav-head div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.fltrp-nav-head span {
  font-size: 9px;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.fltrp-nav-head b {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 500;
}

.fltrp-nav-head small {
  display: block;
  margin-top: 5px;
  font-size: 7.5px;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.fltrp-nav-list {
  padding-top: 5px;
}

.fltrp-nav-book {
  padding: 3px 0 7px;
  border-bottom: 1px solid var(--line);
}

.fltrp-nav-book summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 9px 3px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
}

.fltrp-nav-book summary::-webkit-details-marker {
  display: none;
}

.fltrp-nav-book summary::before {
  content: "+";
  width: 12px;
  color: var(--gold);
  font-weight: 400;
}

.fltrp-nav-book[open] summary::before {
  content: "−";
}

.fltrp-nav-book summary small {
  margin-left: auto;
  color: var(--muted);
  font-size: 8px;
  font-weight: 400;
}

.fltrp-nav-item {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  width: 100%;
  padding: 6px 7px 6px 17px;
  border: 0;
  border-left: 2px solid transparent;
  background: transparent;
  color: var(--ink-2);
  text-align: left;
  font-size: 11px;
  line-height: 1.35;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}

.fltrp-nav-item:hover {
  background: var(--paper-2);
}

.fltrp-nav-item.is-active {
  border-left-color: var(--gold);
  background: rgba(169, 129, 71, 0.09);
  color: var(--ink);
}

.fltrp-nav-item small {
  color: var(--muted);
  font-size: 8.5px;
}

.fltrp-nav-switch {
  display: block;
  margin-top: 16px;
  padding: 9px 10px;
  border: 1px solid var(--line);
  color: var(--gold);
  font-size: 9.5px;
  letter-spacing: 0.08em;
}

.fltrp-nav-switch:hover {
  border-color: var(--gold);
}

.fltrp-content {
  min-width: 0;
  /* 保持图片右对齐，同时把“文字—图片”的视觉距离压到约 1.5 个图片宽 */
  max-width: calc(var(--fltrp-thumb-w) * 2 + 380px);
}

.fltrp-mobile-bar {
  display: none;
}

.fltrp-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 28px;
  padding: 9px 0 25px;
  border-bottom: 1px solid var(--line);
}

.fltrp-kicker {
  margin-bottom: 9px;
  color: var(--gold);
  font-size: 8.5px;
  letter-spacing: 0.22em;
}

.fltrp-title {
  margin: 0;
  font-family: var(--cn-serif);
  font-size: clamp(34px, 4vw, 48px);
  font-weight: 600;
  line-height: 1.12;
}

.fltrp-title span {
  margin-left: 8px;
  font-family: var(--serif);
  font-size: 0.7em;
  font-weight: 500;
  color: var(--gold);
}

.fltrp-sub {
  max-width: 620px;
  margin: 11px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.85;
}

.fltrp-switch {
  margin-top: 16px;
}

.fltrp-version-switch {
  align-items: center;
  gap: 10px 18px;
}

.fltrp-version-group {
  display: inline-flex;
  align-items: stretch;
  border: 1px solid var(--line);
  background: rgba(255, 253, 249, 0.62);
}

.fltrp-version-name {
  display: inline-flex;
  align-items: center;
  padding: 0 10px;
  color: var(--ink-2);
  font-size: 9px;
  letter-spacing: 0.1em;
}

.fltrp-version-switch .fltrp-version-option {
  display: inline-flex;
  align-items: center;
  padding: 8px 11px;
  border: 0;
  border-left: 1px solid var(--line);
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 0.08em;
  transition:
    background 0.16s,
    color 0.16s;
}

.fltrp-version-switch .fltrp-version-option:hover {
  color: var(--gold);
}

.fltrp-version-switch .fltrp-version-option.is-active {
  background: var(--ink);
  color: var(--paper);
}

.fltrp-head-meta {
  display: flex;
  gap: 24px;
  flex-shrink: 0;
}

.fltrp-head-meta div {
  display: grid;
  gap: 3px;
}

.fltrp-head-meta b {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 500;
  line-height: 1;
}

.fltrp-head-meta span {
  font-size: 7px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.fltrp-search-wrap {
  position: sticky;
  top: 88px;
  z-index: 36;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 9px 0 11px;
  background: rgba(248, 245, 238, 0.94);
  border-bottom: 1px solid rgba(23, 35, 31, 0.06);
  backdrop-filter: blur(8px);
}

.fltrp-search-copy {
  display: grid;
  gap: 3px;
}

.fltrp-search-copy span {
  color: var(--gold);
  font-size: 8px;
  letter-spacing: 0.19em;
}

.fltrp-search-copy small {
  color: var(--muted);
  font-size: 9px;
}

.fltrp-search {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  width: min(560px, 100%);
  flex-shrink: 0;
  padding: 7px 12px 7px 7px;
  border: 1px solid rgba(169, 129, 71, 0.55);
  border-radius: 999px;
  background: #fff;
  box-shadow: 0 16px 40px rgba(20, 31, 26, 0.13);
}

.fltrp-search-orb {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  flex-shrink: 0;
  border-radius: 50%;
  background: linear-gradient(135deg, #b98c50, #d8b77f);
  color: #fff;
  font-family: var(--serif);
  font-size: 22px;
  line-height: 1;
}

.fltrp-search-orb svg {
  width: 19px;
  height: 19px;
}

.fltrp-search input {
  flex: 1;
  min-width: 0;
  padding: 3px 0;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--ink);
  font-size: 13px;
}

.fltrp-search input::placeholder {
  color: var(--muted);
}

.fltrp-search-count {
  padding: 4px 8px;
  border-radius: 999px;
  background: rgba(169, 129, 71, 0.1);
  color: var(--gold);
  font-size: 8px;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.fltrp-search-clear {
  width: 25px;
  height: 25px;
  border: 0;
  border-radius: 50%;
  background: var(--paper-2);
  color: var(--muted);
  font-size: 16px;
  line-height: 1;
  cursor: pointer;
}

.fltrp-search-clear[hidden] {
  display: none;
}

.fltrp-search-results {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  width: min(560px, 100%);
  max-height: 410px;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  box-shadow: 0 26px 64px rgba(20, 31, 26, 0.2);
  z-index: 45;
}

.fltrp-search-results[hidden] {
  display: none;
}

.fltrp-result {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 3px 14px;
  width: 100%;
  padding: 10px 14px;
  border: 0;
  border-bottom: 1px solid var(--line);
  background: #fff;
  text-align: left;
  cursor: pointer;
}

.fltrp-result:hover,
.fltrp-result:focus-visible {
  background: var(--paper-2);
}

.fr-main {
  display: grid;
  gap: 2px;
}

.fr-word {
  font-family: var(--serif);
  font-size: 16px;
  color: var(--ink);
}

.fr-meaning {
  color: var(--ink-2);
  font-size: 11px;
  line-height: 1.5;
}

.fr-side {
  display: grid;
  justify-items: end;
  gap: 2px;
}

.fr-pos {
  color: var(--gold);
  font-size: 8px;
  letter-spacing: 0.06em;
}

.fr-loc {
  color: var(--muted);
  font-size: 7.5px;
  white-space: nowrap;
}

.fltrp-result-empty,
.fltrp-result-more {
  padding: 18px;
  color: var(--muted);
  font-size: 11px;
  text-align: center;
}

.fltrp-list-label {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 11px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  color: var(--gold);
}

.fltrp-list-label span {
  font-size: 8px;
  letter-spacing: 0.24em;
}

.fltrp-list-label b {
  font-size: 7.5px;
  font-weight: 400;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.fltrp-book {
  padding-top: 46px;
}

.fltrp-book-head {
  display: flex;
  align-items: baseline;
  gap: 13px;
  padding: 0 0 12px;
  border-bottom: 2px solid var(--ink);
}

.fltrp-book-kicker {
  color: var(--gold);
  font-family: var(--serif);
  font-size: 9px;
  letter-spacing: 0.14em;
}

.fltrp-book-head h2 {
  margin: 0;
  font-family: var(--cn-serif);
  font-size: 29px;
  font-weight: 600;
}

.fltrp-book-en {
  color: var(--muted);
  font-family: var(--serif);
  font-size: 9px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.fltrp-book-count {
  margin-left: auto;
  color: var(--muted);
  font-size: 9px;
}

.fltrp-unit {
  scroll-margin-top: 172px;
}

.fltrp-unit-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 27px 0 8px;
  border-bottom: 1px solid var(--line-strong);
}

.fltrp-unit-book {
  display: block;
  margin-bottom: 3px;
  color: var(--gold);
  font-size: 8px;
  letter-spacing: 0.14em;
}

.fltrp-unit-head h3 {
  margin: 0;
  font-family: var(--serif);
  font-size: 26px;
  font-weight: 500;
}

.fltrp-unit-count {
  color: var(--muted);
  font-size: 9px;
  letter-spacing: 0.08em;
}

.fltrp-row {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr) var(--fltrp-thumb-w);
  column-gap: 16px;
  align-items: center;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 178px;
  transition: background 0.16s;
}

.fltrp-row:hover {
  background: rgba(255, 253, 249, 0.66);
}

.fltrp-row.is-flash {
  background: rgba(169, 129, 71, 0.14);
}

.fltrp-note {
  width: 38px;
  height: 38px;
  border: 1px solid rgba(169, 129, 71, 0.55);
  border-radius: 50%;
  background: transparent;
  color: var(--gold);
  font-family: var(--cn-serif);
  font-size: 12px;
  cursor: pointer;
  transition: background 0.15s;
}

.fltrp-note:hover,
.fltrp-note:focus-visible {
  background: rgba(169, 129, 71, 0.12);
}

.fltrp-row-main {
  min-width: 0;
}

.fltrp-word-line {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 9px 12px;
}

.fltrp-word {
  display: inline-flex;
  align-items: baseline;
  gap: 3px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 24px;
  line-height: 1.25;
  cursor: help;
}

.fltrp-word .paren {
  color: rgba(125, 132, 124, 0.75);
  font-weight: 400;
}

.fltrp-word .paren:first-child {
  margin-right: 5px;
}

.fltrp-word .paren:last-child {
  margin-left: 5px;
}

.fltrp-word .dotted {
  border-bottom: 1px dashed rgba(169, 129, 71, 0.75);
  overflow-wrap: anywhere;
}

.fltrp-word:hover .dotted,
.fltrp-word:focus-visible .dotted {
  background: rgba(169, 129, 71, 0.12);
}

.dictation-blank {
  display: inline-block;
  width: var(--blank-width);
  height: 0.9em;
  border-bottom: 1px dashed rgba(169, 129, 71, 0.75);
  vertical-align: -0.08em;
}

.dictation-word-blank {
  height: 0.82em;
}

.fltrp-row.is-dictation {
  align-items: start;
}

.fltrp-ipa {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-family: var(--serif);
  font-size: 12px;
  font-style: italic;
  white-space: nowrap;
  cursor: pointer;
  transition: color 0.16s, opacity 0.16s;
}

.fltrp-ipa::after {
  content: "♪";
  font-family: var(--sans);
  font-size: 9px;
  font-style: normal;
  opacity: 0.6;
}

.fltrp-ipa:hover,
.fltrp-ipa:focus-visible,
.fltrp-ipa.is-speaking {
  color: var(--gold);
}

.fltrp-pos {
  padding: 2px 6px;
  border: 1px solid rgba(169, 129, 71, 0.4);
  color: var(--gold);
  font-size: 8px;
  letter-spacing: 0.06em;
}

.fltrp-meaning {
  margin-top: 7px;
}

.fltrp-meaning span {
  display: inline-block;
  padding: 3px 7px;
  background: #f0e7d6;
  color: var(--ink-2);
  font-family: var(--cn-serif);
  font-size: 16.5px;
  line-height: 1.6;
}

.fltrp-context {
  margin-top: 15px;
  padding: 13px 16px 14px;
  border-left: 2px solid rgba(169, 129, 71, 0.62);
  background: rgba(255, 253, 249, 0.72);
}

.fltrp-context-head {
  display: flex;
  align-items: baseline;
  gap: 9px;
  margin-bottom: 8px;
}

.fltrp-context-head span {
  color: var(--gold);
  font-size: 8px;
  letter-spacing: 0.2em;
}

.fltrp-context-head small {
  color: var(--muted);
  font-size: 9px;
}

.fltrp-context-en,
.fltrp-context-zh {
  margin: 0;
}

.fltrp-context-en {
  color: var(--ink-2);
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.7;
}

.fltrp-context-zh {
  margin-top: 6px;
  color: var(--muted);
  font-family: var(--cn-serif);
  font-size: 14px;
  line-height: 1.7;
}

.fltrp-thumb {
  position: relative;
  z-index: 1;
  width: var(--fltrp-thumb-w);
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
  isolation: isolate;
}

.fltrp-thumb img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: 4px;
  filter: saturate(0.92);
  transform: translateZ(0) scale(1);
  transform-origin: center;
  backface-visibility: hidden;
  will-change: transform;
  transition: transform 300ms cubic-bezier(0.22, 1, 0.36, 1);
}

.fltrp-thumb:hover,
.fltrp-thumb:focus-visible {
  z-index: 4;
}

.fltrp-thumb:hover img,
.fltrp-thumb:focus-visible img {
  transform: translateZ(0) scale(1.2);
  filter: saturate(1);
}

.fltrp-plate {
  display: block;
  margin-top: 5px;
  color: var(--muted);
  text-align: right;
  font-size: 7px;
  letter-spacing: 0.16em;
}

.fltrp-plate.is-numbered {
  display: flex;
  align-items: baseline;
  justify-content: flex-end;
  gap: 0.18em;
  margin-top: 8px;
  font-size: 17.5px;
  line-height: 1.15;
  letter-spacing: 0.08em;
}

.fltrp-num-prefix {
  font-size: 0.6em;
}

.fltrp-num-value {
  font-size: 1em;
}

.fltrp-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-top: 44px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 9px;
}

.fltrp-foot button {
  border: 0;
  background: none;
  color: var(--gold);
  font-size: 9px;
  cursor: pointer;
}

/* Rich FLTRP word card */

.word-pop.word-pop-rich {
  width: min(760px, calc(100vw - 24px));
  height: min(86vh, 780px);
  max-height: min(86vh, 780px);
  border-radius: 10px;
  overflow-x: hidden;
  overflow-y: auto;
}

.rich-head {
  position: sticky;
  top: 0;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 21px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 253, 249, 0.96);
  backdrop-filter: blur(12px);
}

.rich-note {
  display: grid;
  place-items: center;
  width: 41px;
  height: 41px;
  flex-shrink: 0;
  border: 1px solid var(--gold);
  border-radius: 50%;
  color: var(--gold);
  font-family: var(--cn-serif);
  font-size: 12px;
}

.rich-head-word {
  min-width: 0;
  font-family: var(--serif);
  font-size: 22px;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.rich-head-ipa {
  color: var(--muted);
  font-family: var(--serif);
  font-size: 11px;
  font-style: italic;
}

.rich-head-pos {
  padding: 2px 6px;
  border: 1px solid var(--line);
  color: var(--ink-2);
  font-size: 8px;
}

.rich-head-unit {
  color: var(--muted);
  font-size: 8px;
  letter-spacing: 0.1em;
}

.rich-close {
  margin-left: auto;
  padding: 0 3px;
  border: 0;
  background: none;
  color: var(--muted);
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
}

.rich-close:hover {
  color: var(--ink);
}

.rich-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 240px;
  gap: 18px;
  width: 100%;
  min-width: 0;
  padding: 24px 24px 30px;
}

.rich-title-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.rich-title {
  margin: 0;
  font-family: var(--serif);
  font-size: 46px;
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.03em;
  overflow-wrap: anywhere;
}

.rich-pill {
  padding: 4px 9px;
  border-radius: 999px;
  background: #f0ece4;
  color: var(--ink-2);
  font-size: 9px;
}

.rich-ipa {
  margin-top: 10px;
  color: var(--muted);
  font-family: var(--serif);
  font-size: 16px;
  font-style: italic;
}

.rich-meaning {
  display: inline-block;
  margin-top: 18px;
  padding: 4px 9px;
  background: #f0e7d6;
  color: var(--ink);
  font-family: var(--cn-serif);
  font-size: 23px;
  line-height: 1.55;
}

.rich-section {
  margin-top: 23px;
  padding-top: 15px;
  border-top: 1px solid var(--line);
}

.rich-section h4 {
  margin: 0 0 7px;
  color: var(--gold);
  font-size: 8px;
  font-weight: 500;
  letter-spacing: 0.2em;
}

.rich-section p {
  margin: 0;
  color: var(--ink-2);
  font-size: 12.5px;
  line-height: 1.9;
}

.rich-section .en {
  font-family: var(--serif);
  font-size: 16.5px;
  line-height: 1.75;
}

.rich-section .zh {
  margin-top: 8px;
  color: var(--muted);
  font-family: var(--cn-serif);
  font-size: 14px;
}

.rich-phrase {
  border-bottom: 1px dashed rgba(169, 129, 71, 0.7);
  font-family: var(--serif);
  font-size: 15px;
}

.rich-phrase-zh {
  margin-left: 4px;
  color: var(--muted);
}

.rich-context .ex-target,
.rich-phrase .ex-target {
  background: transparent;
  border-bottom: 1px dashed rgba(169, 129, 71, 0.75);
  color: var(--ink);
  font-weight: 400;
}

.rich-context .zh-target,
.rich-phrase-zh .zh-target {
  padding: 0 2px;
  background: #f0e7d6;
  color: var(--ink-2);
}

.rich-media {
  width: 100%;
  min-width: 0;
  max-width: 240px;
  align-self: start;
  margin: 0;
  justify-self: end;
}

.rich-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: 4px;
  filter: saturate(0.93);
}

.rich-media figcaption {
  margin-top: 6px;
  color: var(--muted);
  text-align: right;
  font-size: 7px;
  letter-spacing: 0.16em;
}

/* ------------------------------------------------------------------ */
/* Word card                                                           */
/* ------------------------------------------------------------------ */

.word-pop {
  position: fixed;
  z-index: 220;
  width: 380px;
  max-width: calc(100vw - 24px);
  max-height: calc(100vh - 24px);
  overflow: auto;
  border: 1px solid #e4ddd1;
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 30px 80px rgba(18, 27, 23, 0.24);
  opacity: 0;
  transform: translateY(6px) scale(0.988);
  transition: opacity 0.16s, transform 0.16s;
}

.word-pop[hidden] {
  display: none;
}

.word-pop.is-visible {
  opacity: 1;
  transform: none;
}

.pop-media {
  position: relative;
  aspect-ratio: 16 / 8.5;
  overflow: hidden;
  background: var(--paper-3);
}

.pop-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.92);
}

.pop-media::after {
  content: "";
  position: absolute;
  inset: 55% 0 0;
  background: linear-gradient(transparent, rgba(7, 18, 25, 0.42));
  pointer-events: none;
}

.pop-scene {
  position: absolute;
  z-index: 1;
  left: 12px;
  bottom: 10px;
  padding: 3px 7px;
  background: rgba(7, 18, 25, 0.48);
  color: rgba(255, 255, 255, 0.86);
  font-size: 7.5px;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  backdrop-filter: blur(6px);
}

.pop-body {
  padding: 16px 19px 11px;
}

.pop-head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 7px;
}

.pop-word {
  margin: 0;
  font-family: var(--serif);
  font-size: 30px;
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.pop-pos {
  padding: 3px 7px;
  border: 1px solid rgba(169, 129, 71, 0.4);
  background: rgba(169, 129, 71, 0.12);
  color: var(--gold);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.05em;
}

.pop-ipa {
  color: var(--muted);
  font-size: 10.5px;
}

.pop-meaning {
  margin: 9px 0 13px;
  color: var(--ink);
  font-family: var(--cn-serif);
  font-size: 16.5px;
  line-height: 1.62;
}

.pop-label {
  margin-bottom: 5px;
  font-size: 8px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
}

.pop-example {
  margin: 9px 0 10px;
  padding: 9px 11px;
  border-left: 2px solid rgba(169, 129, 71, 0.5);
  background: rgba(169, 129, 71, 0.055);
}

.pop-example .en {
  margin: 0;
  color: var(--ink-2);
  font-family: var(--serif);
  font-size: 14px;
  line-height: 1.7;
}

.pop-example .zh {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.7;
}

.ex-target {
  color: var(--gold);
  font-weight: 600;
  border-bottom: 1px solid rgba(169, 129, 71, 0.45);
}

.ex-target.is-current {
  color: var(--ink);
  background: rgba(169, 129, 71, 0.18);
  border-bottom-color: var(--gold);
}

.pop-meta {
  display: grid;
  gap: 5px;
  margin-top: 9px;
  color: var(--muted);
  font-size: 11.5px;
  line-height: 1.65;
}

.pop-meta b {
  color: var(--ink-2);
  font-weight: 600;
}

.pop-empty {
  margin: 9px 0;
  padding: 9px 11px;
  background: var(--paper-2);
  color: var(--muted);
  font-size: 11.5px;
  line-height: 1.7;
}

.pop-foot {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 19px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 7.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.pop-foot button {
  border: 0;
  background: none;
  color: var(--gold);
  font-size: 7.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
}

/* ------------------------------------------------------------------ */
/* Drawer                                                              */
/* ------------------------------------------------------------------ */

.drawer-shell {
  position: fixed;
  inset: 0;
  z-index: 320;
  display: flex;
  justify-content: flex-end;
}

.drawer-shell[hidden] {
  display: none;
}

.drawer-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(11, 23, 32, 0.44);
  opacity: 0;
  transition: opacity 0.22s;
  backdrop-filter: blur(3px);
}

.drawer {
  position: relative;
  width: min(460px, 100%);
  height: 100%;
  overflow: auto;
  background: #fff;
  box-shadow: -24px 0 70px rgba(10, 20, 16, 0.22);
  transform: translateX(100%);
  transition: transform 0.24s ease;
}

.drawer-shell.is-open .drawer-backdrop {
  opacity: 1;
}

.drawer-shell.is-open .drawer {
  transform: none;
}

.drawer-close {
  position: sticky;
  top: 0;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 42px;
  border: 0;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 253, 249, 0.94);
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  cursor: pointer;
  backdrop-filter: blur(10px);
}

.drawer-close:hover {
  color: var(--ink);
}

.drawer-media {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--paper-3);
}

.drawer-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.92);
}

.drawer-media span {
  position: absolute;
  left: 16px;
  bottom: 13px;
  padding: 4px 8px;
  background: rgba(7, 18, 25, 0.48);
  color: rgba(255, 255, 255, 0.86);
  font-size: 8px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.drawer-body {
  padding: 24px 27px 44px;
}

.drawer-word {
  margin: 0;
  font-family: var(--serif);
  font-size: 42px;
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.drawer-head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 9px;
}

.drawer-meaning {
  margin: 12px 0 0;
  font-family: var(--cn-serif);
  font-size: 21px;
  line-height: 1.6;
}

.drawer-section {
  margin-top: 24px;
  padding-top: 17px;
  border-top: 1px solid var(--line);
}

.drawer-section h4 {
  margin: 0 0 8px;
  font-size: 8.5px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
}

.drawer-section p {
  margin: 0;
  color: var(--ink-2);
  font-size: 13px;
  line-height: 1.85;
}

.drawer-example {
  padding: 13px 15px;
  border-left: 2px solid var(--gold);
  background: rgba(169, 129, 71, 0.05);
}

.drawer-example .en {
  font-family: var(--serif);
  font-size: 15.5px;
  line-height: 1.75;
}

.drawer-example .zh {
  margin-top: 7px;
  color: var(--muted);
  font-family: var(--cn-serif);
  font-size: 13px;
  line-height: 1.8;
}

.drawer-actions {
  display: flex;
  gap: 9px;
  flex-wrap: wrap;
  margin-top: 25px;
}

.drawer-actions .btn {
  font-size: 10.5px;
  padding: 10px 15px;
}

/* ------------------------------------------------------------------ */
/* Footer                                                              */
/* ------------------------------------------------------------------ */

.site-footer {
  margin-top: auto;
  border-top: 1px solid var(--line);
  background: rgba(248, 245, 238, 0.7);
}

.footer-inner {
  max-width: 1440px;
  margin: 0 auto;
  padding: 31px 52px 36px;
  display: grid;
  grid-template-columns: 1.2fr 1fr auto;
  align-items: center;
  gap: 30px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 11px;
}

.footer-brand img {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid rgba(169, 129, 71, 0.4);
}

.footer-brand strong {
  display: block;
  font-family: var(--cn-serif);
  font-size: 14px;
  letter-spacing: 0.08em;
}

.footer-brand span {
  display: block;
  margin-top: 2px;
  color: var(--muted);
  font-size: 9.5px;
}

.footer-links {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 10px;
}

.footer-links a:hover {
  color: var(--gold);
}

.footer-note {
  display: grid;
  justify-items: end;
  gap: 7px;
  color: var(--muted);
  font-size: 8px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.footer-note button {
  padding: 0;
  border: 0;
  background: none;
  color: var(--gold);
  font-size: 9px;
  letter-spacing: 0.08em;
  cursor: pointer;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  z-index: 400;
  padding: 9px 15px;
  background: var(--ink);
  color: var(--paper);
  font-size: 11px;
  letter-spacing: 0.04em;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 8px);
  transition: opacity 0.2s, transform 0.2s;
}

.toast.is-visible {
  opacity: 1;
  transform: translate(-50%, 0);
}

/* ------------------------------------------------------------------ */
/* Responsive                                                          */
/* ------------------------------------------------------------------ */

@media (max-width: 1180px) {
  .header-inner {
    padding: 0 28px;
  }

  .container,
  .page-wrap {
    padding-left: 34px;
    padding-right: 34px;
  }

  .footer-inner {
    padding-left: 34px;
    padding-right: 34px;
  }

  .home-hero {
    gap: 42px;
  }

  .hero-title {
    font-size: clamp(46px, 5.8vw, 68px);
  }

  .level-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .group-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .unit-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .story-layout {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 34px;
  }

  .table-layout {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 30px;
  }
}

@media (max-width: 980px) {
  .nav-toggle {
    display: flex;
  }

  .header-action {
    display: none;
  }

  .main-nav {
    position: fixed;
    top: 78px;
    left: 0;
    right: 0;
    z-index: 79;
    display: none;
    max-height: calc(100vh - 78px);
    overflow: auto;
    margin: 0;
    padding: 10px 22px 24px;
    border-bottom: 1px solid var(--line);
    background: var(--surface);
    box-shadow: 0 24px 50px rgba(20, 31, 26, 0.12);
  }

  .main-nav.is-open {
    display: block;
  }

  .nav-item {
    border-bottom: 1px solid var(--line);
  }

  .nav-link {
    width: 100%;
    justify-content: space-between;
    padding: 16px 4px;
    font-size: 14px;
  }

  .nav-item.is-active .nav-link::after {
    display: none;
  }

  .nav-panel,
  .nav-panel-wide {
    position: static;
    display: none;
    width: auto;
    padding: 0 0 9px 10px;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: none;
  }

  .nav-item.is-open .nav-panel {
    display: block;
    transform: none;
  }

  .nav-panel-link {
    padding: 10px 11px;
  }

  .home-hero {
    grid-template-columns: 1fr;
    min-height: 0;
    padding-top: 38px;
  }

  .hero-copy {
    max-width: 760px;
  }

  .hero-visual {
    justify-content: center;
    margin-top: 12px;
  }

  .poster-frame {
    width: min(86vw, 420px);
    margin-right: 0;
  }

  .floating-word {
    left: 4%;
    bottom: 58px;
  }

  .feature-inner,
  .level-hero {
    grid-template-columns: 1fr;
  }

  .feature-scenes {
    max-width: 620px;
  }

  .how-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .story-layout {
    grid-template-columns: 1fr;
  }

  .story-sidebar {
    display: none;
  }

  .scene-select-wrap {
    display: flex;
  }

  .story-main {
    max-width: none;
  }

  .table-layout {
    grid-template-columns: 1fr;
  }

  .tree {
    position: static;
    display: none;
    max-height: none;
    padding: 0 0 14px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .tree.is-open {
    display: block;
  }

  .tree-toggle {
    display: block;
  }

  .word-table th {
    top: 0;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .footer-note {
    justify-items: start;
  }
}

@media (max-width: 720px) {
  .header-inner {
    height: 68px;
    padding: 0 20px;
  }

  .brand-mark {
    width: 36px;
    height: 36px;
  }

  .brand-copy strong {
    font-size: 15px;
  }

  .main-nav {
    top: 68px;
    max-height: calc(100vh - 68px);
  }

  .container,
  .page-wrap {
    padding-left: 20px;
    padding-right: 20px;
  }

  .footer-inner {
    padding-left: 20px;
    padding-right: 20px;
  }

  .hero-title {
    font-size: clamp(30px, 9.2vw, 44px);
    overflow-wrap: anywhere;
  }

  .eyebrow {
    gap: 9px;
    font-size: 8px;
    letter-spacing: 0.12em;
  }

  .eyebrow::before {
    width: 28px;
  }

  .hero-sub {
    font-size: 16px;
  }

  .hero-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
  }

  .stat {
    padding: 11px 15px;
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .stat:nth-child(1),
  .stat:nth-child(2) {
    border-top: 0;
  }

  .stat:nth-child(odd) {
    padding-left: 0;
  }

  .poster-frame {
    width: min(90vw, 360px);
  }

  .floating-word {
    width: 174px;
    padding: 11px 12px;
    bottom: 36px;
  }

  .floating-word b {
    font-size: 21px;
  }

  .level-grid,
  .group-grid,
  .unit-grid {
    grid-template-columns: 1fr;
  }

  .section-block .section-head,
  .page-head {
    align-items: flex-start;
    flex-direction: column;
    gap: 16px;
  }

  .page-meta {
    gap: 18px;
  }

  .feature-inner {
    gap: 28px;
  }

  .feature-stat b {
    font-size: 21px;
  }

  .feature-scenes {
    grid-template-columns: 1fr 1fr;
  }

  .feature-scenes a:first-child {
    grid-column: span 2;
  }

  .scene-head {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .scene-number {
    font-size: 58px;
  }

  .scene-number small {
    display: inline;
    margin-left: 9px;
  }

  .scene-title {
    font-size: 32px;
  }

  .reading-p {
    font-size: 18px;
    line-height: 1.88;
  }

  .story-main .section-title {
    font-size: 21px;
  }

  .story-main .section-zh-btn,
  .section-read-btn {
    padding: 3px 6px;
  }

  .word-table {
    font-size: 12px;
  }

  .word-table thead {
    display: none;
  }

  .word-table,
  .word-table tbody,
  .word-table tr,
  .word-table td {
    display: block;
    width: 100%;
  }

  .word-table tbody tr {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 3px 10px;
    margin-bottom: 8px;
    padding: 12px 13px;
    border: 1px solid var(--line);
    background: rgba(255, 253, 249, 0.7);
  }

  .word-table td {
    padding: 0;
    border: 0;
  }

  .word-table .row-index {
    display: none;
  }

  .cell-word {
    grid-column: 1;
    min-width: 0;
    font-size: 18px;
  }

  .cell-pos {
    grid-column: 2;
    padding-top: 4px;
    text-align: right;
  }

  .cell-meaning {
    grid-column: 1 / -1;
    margin-top: 2px;
    color: var(--ink-2);
    font-size: 12.5px;
  }

  .word-table .col-ipa,
  .word-table .col-example {
    display: none;
  }

  .cell-word {
    min-width: 90px;
    font-size: 16px;
  }

  .cell-meaning {
    max-width: none;
  }

  .unit-bar {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }

  .unit-bar h2,
  .unit-bar .page-stat {
    display: none;
  }

  .unit-bar {
    padding-top: 2px;
    padding-bottom: 12px;
  }

  .unit-bar p {
    font-size: 10.5px;
  }

  .result-count {
    margin-left: 0;
  }

  .footer-inner {
    padding-top: 25px;
    padding-bottom: 28px;
  }

  .footer-links {
    gap: 11px;
  }

  .word-pop {
    left: 0 !important;
    right: 0;
    bottom: 0;
    top: auto !important;
    width: 100%;
    max-width: none;
    max-height: 76vh;
    border-radius: 14px 14px 0 0;
    border-bottom: 0;
    transform: translateY(18px);
  }

  .word-pop.is-visible {
    transform: none;
  }

  .pop-word {
    font-size: 27px;
  }

  .drawer {
    width: 100%;
  }

  .drawer-word {
    font-size: 34px;
  }

  .drawer-body {
    padding: 21px 20px 38px;
  }
}

@media (max-width: 480px) {
  .brand-copy em {
    display: none;
  }

  .hero-actions .btn {
    flex: 1;
  }

  .page-title {
    font-size: 30px;
  }

  .scene-title {
    font-size: 28px;
  }

  .pop-foot {
    font-size: 7px;
  }
}

@media (max-width: 1180px) {
  .fltrp-layout {
    grid-template-columns: 210px minmax(0, 1fr);
    gap: 28px;
  }

  .fltrp-page {
    --fltrp-thumb-w: 150px;
  }
}

@media (max-width: 980px) {
  .fltrp-layout {
    grid-template-columns: 1fr;
  }

  .fltrp-nav {
    position: static;
    display: none;
    max-height: none;
    padding: 0 0 15px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .fltrp-nav.is-open {
    display: block;
  }

  .fltrp-mobile-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding-top: 12px;
  }

  .fltrp-mobile-bar .tree-toggle {
    display: block;
    flex: 1;
    width: auto;
    margin: 0;
  }

  .fltrp-mobile-bar a {
    color: var(--gold);
    font-size: 9px;
    white-space: nowrap;
  }

  .fltrp-search-wrap {
    top: 80px;
    justify-content: flex-end;
  }

  .fltrp-search-copy {
    display: none;
  }
}

@media (max-width: 720px) {
  .fltrp-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }

  .fltrp-head-meta {
    gap: 20px;
  }

  .fltrp-page {
    --fltrp-thumb-w: 104px;
  }

  .fltrp-row {
    padding: 16px 0;
  }

  .fltrp-row-main {
    margin-left: 9px;
  }

  .fltrp-note {
    width: 32px;
    height: 32px;
    font-size: 11px;
  }

  .fltrp-word {
    font-size: 19px;
  }

  .fltrp-ipa {
    font-size: 10px;
  }

  .fltrp-pos {
    font-size: 7px;
  }

  .fltrp-meaning span {
    font-size: 14.5px;
  }

  .fltrp-plate {
    font-size: 6px;
  }

  .fltrp-search-wrap {
    top: 72px;
  }

  .fltrp-search {
    width: 100%;
  }

  .fltrp-search-count {
    display: none;
  }

  .fltrp-search input {
    font-size: 12px;
  }

  .fltrp-search-orb {
    width: 36px;
    height: 36px;
    font-size: 18px;
  }

  .fltrp-search-results {
    width: 100%;
  }

  .fltrp-unit {
    scroll-margin-top: 150px;
  }

  .fltrp-book-head h2 {
    font-size: 24px;
  }

  .fltrp-unit-head h3 {
    font-size: 22px;
  }

  .fltrp-book-head {
    flex-wrap: wrap;
  }

  .fltrp-book-count {
    margin-left: 0;
  }

  .word-pop.word-pop-rich {
    width: 100%;
    height: min(84vh, 780px);
    max-height: 84vh;
  }

  .rich-head {
    padding: 9px 15px;
  }

  .rich-head-word {
    font-size: 18px;
  }

  .rich-head-ipa {
    display: none;
  }

  .rich-note {
    width: 34px;
    height: 34px;
    font-size: 11px;
  }

  .rich-body {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 18px 19px 28px;
  }

  .rich-media {
    order: -1;
    max-width: 300px;
  }

  .rich-title {
    font-size: 36px;
  }

  .rich-meaning {
    font-size: 20px;
  }

  .rich-section .en {
    font-size: 15px;
  }
}

@media (max-width: 480px) {
  .fltrp-page {
    --fltrp-thumb-w: 92px;
  }

  .fltrp-note {
    width: 28px;
    height: 28px;
    font-size: 10px;
  }

  .fltrp-word {
    font-size: 18px;
  }

  .fltrp-meaning span {
    font-size: 13.5px;
  }
}

@media (max-width: 720px) {
  .section-shots {
    gap: 10px;
  }

  .section-shot {
    width: calc(50% - 5px);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
  }
}