.chunks-page {
  padding-bottom: 116px;
}

.chunks-page::after {
  display: none;
}

.chunks-shell {
  width: min(1240px, calc(100% - 48px));
  margin: 0 auto;
}

.chunks-header {
  position: sticky;
  top: 0;
  z-index: 30;
  border-top: 5px solid var(--mango);
  border-bottom: 1px solid var(--line);
  background: rgba(253, 247, 236, 0.97);
  backdrop-filter: blur(12px);
}

.chunks-header-row {
  min-height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.chunks-header .brand {
  margin: 0;
  font-size: 22px;
}

.chunks-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
}

.chunks-nav a {
  min-height: 40px;
  padding: 9px 11px;
  border-radius: 8px;
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
}

.chunks-nav a:hover,
.chunks-nav a:focus-visible {
  background: var(--paper);
  color: var(--mango-dark);
}

.chunks-nav .chunks-account {
  border: 1px solid var(--ink);
  color: var(--ink);
}

.chunks-intro {
  min-height: 380px;
  padding-top: 62px;
  padding-bottom: 54px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 260px;
  align-items: center;
  gap: 72px;
}

.chunks-eyebrow {
  margin-bottom: 12px;
  color: var(--mango-dark);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0;
}

.chunks-intro h1 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: 52px;
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: 0;
  font-variation-settings: "SOFT" 30;
}

.chunks-lead {
  max-width: 660px;
  margin-bottom: 24px;
  color: var(--ink-soft);
  font-size: 18px;
  line-height: 1.75;
}

.chunks-actions,
.chunks-toolbar-actions > div,
.chunks-player-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.chunks-button {
  width: auto;
  min-height: 44px;
  padding: 10px 15px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--ink);
  border-radius: 8px;
  background: var(--paper);
  color: var(--ink);
  box-shadow: none;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
}

.chunks-button:hover {
  background: var(--cream-soft);
  color: var(--ink);
  text-decoration: none;
}

.chunks-button-primary {
  border-color: var(--mango-dark);
  background: var(--mango);
  color: #fff;
}

.chunks-button-primary:hover {
  background: var(--mango-dark);
  color: #fff;
}

.chunks-button:disabled {
  border-color: var(--line);
  background: var(--cream-soft);
  color: var(--ink-muted);
  cursor: default;
}

.chunks-button-small {
  min-height: 38px;
  padding: 8px 12px;
  font-size: 13px;
}

.chunks-button.active {
  border-color: var(--mango);
  color: var(--mango-dark);
  background: var(--mango-glow);
}

.chunks-access-note {
  margin-top: 14px;
  color: var(--ink-muted);
  font-size: 13px;
  line-height: 1.6;
}

.chunks-stats {
  padding-left: 34px;
  border-left: 1px solid var(--line);
  display: grid;
  gap: 4px;
  color: var(--ink-soft);
  font-size: 14px;
}

.chunks-stats strong {
  margin-bottom: 8px;
  color: var(--leaf);
  font-family: var(--font-display);
  font-size: 68px;
  font-weight: 500;
  line-height: 1;
  letter-spacing: 0;
}

.chunks-guide-band {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}

.chunks-guide summary {
  padding: 15px 0;
  color: var(--ink);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}

.chunks-guide-body {
  max-width: 800px;
  padding: 0 0 18px;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.7;
}

.chunks-guide-body p + p {
  margin-top: 8px;
}

.chunks-toolbar {
  position: sticky;
  top: 75px;
  z-index: 20;
  padding: 14px 0 12px;
  border-bottom: 1px solid var(--line);
  background: rgba(253, 247, 236, 0.97);
  backdrop-filter: blur(12px);
}

.chunks-filter-grid {
  display: grid;
  grid-template-columns: minmax(240px, 1.5fr) minmax(210px, 1fr) 130px;
  gap: 10px;
}

.chunks-filter-grid label > span {
  display: block;
  margin-bottom: 4px;
  color: var(--ink-muted);
  font-size: 11px;
  font-weight: 600;
}

.chunks-filter-grid input,
.chunks-filter-grid select {
  width: 100%;
  min-height: 42px;
  padding: 9px 11px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  color: var(--ink);
  font-size: 14px;
}

.chunks-filter-grid input:focus,
.chunks-filter-grid select:focus {
  outline: 2px solid var(--mango-glow);
  border-color: var(--mango);
}

.chunks-toolbar-actions {
  min-height: 46px;
  margin-top: 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.chunks-toolbar-actions p {
  color: var(--ink-muted);
  font-size: 12px;
  text-align: right;
}

.chunks-check {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--ink-soft);
  font-size: 13px;
  cursor: pointer;
}

.chunks-check input {
  width: 16px;
  height: 16px;
  accent-color: var(--mango);
}

.chunks-results {
  padding-top: 24px;
  padding-bottom: 36px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  align-items: stretch;
}

.chunks-card {
  min-width: 0;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  scroll-margin-top: 210px;
}

.chunks-card.playing {
  border-color: var(--mango);
  box-shadow: inset 4px 0 0 var(--mango);
}

.chunks-card.practiced {
  border-color: #B7CDB1;
  background: #FCFEFB;
}

.chunks-card-head,
.chunks-main-row,
.chunks-example {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}

.chunks-card-head {
  align-items: center;
  margin-bottom: 13px;
}

.chunks-number {
  display: inline-block;
  padding: 3px 7px;
  border-radius: 4px;
  background: var(--mango-glow);
  color: var(--mango-dark);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
}

.chunks-tone {
  margin-left: 6px;
  color: var(--ink-muted);
  font-size: 11px;
}

.chunks-practiced {
  white-space: nowrap;
  font-size: 12px;
}

.chunks-main-row h2 {
  min-width: 0;
  padding-top: 3px;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  line-height: 1.32;
  letter-spacing: 0;
  overflow-wrap: anywhere;
}

.chunks-play {
  flex: 0 0 42px;
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 50%;
  background: var(--mango-glow);
  color: var(--mango-dark);
  font-size: 16px;
}

.chunks-play:hover,
.chunks-play:focus-visible {
  background: #FFD1AE;
  outline: 2px solid var(--mango);
  outline-offset: 2px;
}

.chunks-play.active {
  background: var(--mango);
  color: #fff;
}

.chunks-play.loading {
  animation: chunks-pulse 0.9s ease-in-out infinite alternate;
}

.chunks-meaning {
  margin: 9px 0 11px;
  color: var(--ink);
  font-size: 15px;
  line-height: 1.55;
}

.chunks-note {
  min-height: 54px;
  margin-bottom: 14px;
  padding-bottom: 13px;
  border-bottom: 1px solid var(--line-soft);
  color: var(--ink-muted);
  font-size: 12px;
  line-height: 1.55;
}

.chunks-examples {
  display: grid;
  gap: 13px;
}

.chunks-example-tag {
  flex: 0 0 18px;
  padding-top: 5px;
  color: var(--leaf);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
}

.chunks-example-copy {
  flex: 1;
  min-width: 0;
}

.chunks-example-en {
  color: var(--ink);
  font-size: 14px;
  line-height: 1.55;
  overflow-wrap: anywhere;
}

.chunks-example-zh {
  margin-top: 3px;
  color: var(--ink-muted);
  font-size: 12px;
  line-height: 1.5;
}

.chunks-example .chunks-play {
  flex-basis: 34px;
  width: 34px;
  height: 34px;
  font-size: 13px;
}

.chunks-prompt {
  margin-top: 16px;
  padding: 11px 12px;
  border-left: 3px solid var(--leaf);
  background: #F0F5ED;
  color: #3E6337;
  font-size: 12px;
  line-height: 1.55;
}

.chunks-prompt strong {
  display: block;
  margin-bottom: 3px;
  font-size: 10px;
}

.chunks-section-name {
  margin-top: 12px;
  color: var(--ink-muted);
  font-size: 10px;
}

.chunks-results.hide-zh .chunks-meaning,
.chunks-results.hide-zh .chunks-example-zh {
  visibility: hidden;
}

.chunks-results.hide-zh .chunks-meaning::before {
  content: '译文已隐藏';
  visibility: visible;
  color: var(--ink-muted);
  font-size: 12px;
}

.chunks-empty,
.chunks-load-error {
  grid-column: 1 / -1;
  padding: 44px 18px;
  border: 1px dashed var(--line);
  border-radius: 8px;
  color: var(--ink-muted);
  text-align: center;
  line-height: 1.7;
}

.chunks-footer {
  padding-top: 24px;
  padding-bottom: 28px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 20px;
  color: var(--ink-muted);
  font-size: 12px;
}

.chunks-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.chunks-player {
  position: fixed;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 40;
  padding: 9px 0 calc(9px + env(safe-area-inset-bottom));
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.98);
}

.chunks-player-row {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) minmax(280px, 1.4fr) auto;
  align-items: center;
  gap: 16px;
}

.chunks-now {
  min-width: 0;
}

.chunks-now span,
.chunks-now strong {
  display: block;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.chunks-now span {
  color: var(--mango-dark);
  font-size: 11px;
  font-weight: 600;
}

.chunks-now strong {
  margin-top: 2px;
  color: var(--ink);
  font-size: 13px;
  font-weight: 500;
}

.chunks-player audio {
  width: 100%;
  height: 42px;
}

.chunks-icon-button {
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--paper);
  color: var(--ink);
  font-size: 13px;
}

.chunks-icon-button:disabled {
  color: var(--ink-muted);
  opacity: 0.5;
}

@keyframes chunks-pulse {
  from { opacity: 0.45; }
  to { opacity: 1; }
}

@media (max-width: 980px) {
  .chunks-shell {
    width: min(100% - 36px, 900px);
  }

  .chunks-intro {
    grid-template-columns: minmax(0, 1fr) 220px;
    gap: 42px;
  }

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

  .chunks-player-row {
    grid-template-columns: minmax(150px, 0.8fr) minmax(260px, 1.4fr) auto;
    gap: 10px;
  }
}

@media (max-width: 700px) {
  .chunks-page {
    padding-bottom: 156px;
  }

  .chunks-shell {
    width: calc(100% - 28px);
  }

  .chunks-header-row {
    min-height: 64px;
    gap: 10px;
  }

  .chunks-header .brand {
    font-size: 19px;
  }

  .chunks-header .brand-sub,
  .chunks-header .brand-dot,
  .chunks-nav a:not(.chunks-account) {
    display: none;
  }

  .chunks-nav a {
    min-height: 38px;
    padding: 8px 11px;
  }

  .chunks-intro {
    min-height: 0;
    padding-top: 38px;
    padding-bottom: 34px;
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .chunks-intro h1 {
    font-size: 38px;
  }

  .chunks-lead {
    font-size: 16px;
  }

  .chunks-stats {
    padding: 16px 0 0;
    border-top: 1px solid var(--line);
    border-left: 0;
    grid-template-columns: auto 1fr;
    align-items: center;
    column-gap: 18px;
  }

  .chunks-stats strong {
    grid-row: 1 / 4;
    margin: 0;
    font-size: 52px;
  }

  .chunks-toolbar {
    top: 69px;
  }

  .chunks-filter-grid {
    grid-template-columns: minmax(0, 1fr) 104px;
    gap: 8px;
  }

  .chunks-search-field {
    grid-column: 1 / -1;
  }

  .chunks-toolbar-actions {
    align-items: flex-start;
  }

  .chunks-toolbar-actions p {
    max-width: 100px;
  }

  .chunks-results {
    grid-template-columns: 1fr;
    gap: 12px;
    padding-top: 18px;
  }

  .chunks-card {
    padding: 17px;
    scroll-margin-top: 264px;
  }

  .chunks-note {
    min-height: 0;
  }

  .chunks-footer {
    display: grid;
  }

  .chunks-player-row {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 7px 10px;
  }

  .chunks-player audio {
    grid-column: 1 / -1;
    grid-row: 2;
  }

  .chunks-now strong {
    max-width: 68vw;
  }
}

@media (prefers-reduced-motion: reduce) {
  .chunks-play.loading {
    animation: none;
  }
}