.cq {
  --cq-ink: #343b37;
  --cq-muted: #757b72;
  --cq-line: #e1e2d9;
  --cq-green: #3e6957;
  --cq-paper: #fafaf5;
  max-width: 900px;
  margin: 0 auto;
  padding: 30px 28px 64px;
  color: var(--cq-ink);
  font-size: 16px;
  line-height: 1.8;
}
.cq a {
  color: var(--cq-green);
}
.cq__nav {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  font-size: 14px;
  margin-bottom: 35px;
}
.cq__head {
  padding: 12px 0 30px;
  border-bottom: 1px solid var(--cq-line);
  margin-bottom: 32px;
}
.cq__eyebrow {
  display: block;
  color: var(--cq-muted);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.15em;
  margin: 0 0 12px;
}
.cq h1 {
  font-family: "Songti SC", "Noto Serif CJK SC", SimSun, serif;
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 500;
  line-height: 1.4;
  margin: 10px 0 16px;
  letter-spacing: 0.03em;
}
.cq__intro {
  color: #60695f;
  margin-bottom: 24px;
}
.cq__source-section + .cq__source-section {
  margin-top: 56px;
}
.cq__source-section h2 {
  font-family: "Songti SC", "Noto Serif CJK SC", SimSun, serif;
  font-size: clamp(20px, 3vw, 26px);
  font-weight: 500;
  line-height: 1.4;
  margin: 10px 0 12px;
}
.cq__credits {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 20px;
  font-size: 13px;
}
.cq__others {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
  font-size: 14px;
  margin: 10px 0 0;
}
.cq__source {
  font-size: 13px;
  margin: 7px 0;
}
.cq__muted {
  font-size: 13px;
  color: var(--cq-muted);
}
.cq__catalogue {
  border-top: 1px solid var(--cq-line);
}
.cq__entry {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 26px 10px;
  border-bottom: 1px solid var(--cq-line);
  text-decoration: none !important;
  transition: background 0.15s;
}
.cq__entry:hover {
  background: var(--cq-paper);
}
.cq__entry strong {
  display: block;
  color: var(--cq-ink);
  font-family: "Songti SC", SimSun, serif;
  font-size: 23px;
  font-weight: 500;
  margin: 4px 0;
}
.cq__entry .cq__eyebrow {
  margin: 0;
}
.cq__entry-no {
  font-family: Georgia, serif;
  color: #a3afa3;
  font-size: 27px;
}
.cq__arrow {
  margin-left: auto;
  font-size: 24px;
}
.cq__footnote {
  color: var(--cq-muted);
  font-size: 13px;
  margin: 28px 0;
}
.cq__question {
  padding: 28px 0;
  border-bottom: 1px solid var(--cq-line);
  scroll-margin-top: 80px;
}
.cq__question--missing fieldset {
  outline: 2px solid #c0664a;
  outline-offset: 10px;
  border-radius: 4px;
}
.cq__question:first-child {
  padding-top: 0;
}
.cq fieldset {
  border: 0;
  padding: 0;
  margin: 0;
  min-width: 0;
}
.cq legend {
  border: 0;
  float: none;
  width: 100%;
  font-size: 18px;
  line-height: 1.8;
  margin-bottom: 20px;
  padding: 0;
}
.cq__question-meta {
  display: flex;
  gap: 12px;
  align-items: center;
  font-family: Georgia, serif;
  color: var(--cq-muted);
  font-size: 20px;
  margin-bottom: 10px;
}
.cq__question-meta span {
  font-family: inherit;
  font-size: 12px;
  padding: 1px 9px;
  border: 1px solid var(--cq-line);
  border-radius: 3px;
}
.cq__question-meta b {
  font-family: system-ui, sans-serif;
  font-size: 13px;
  padding: 1px 10px;
  border-radius: 3px;
  color: #fff;
  background: var(--cq-green);
}
.cq__question--wrong .cq__question-meta b {
  background: #b0553a;
}
.cq__question-text {
  display: block;
}
.cq__options {
  display: grid;
  gap: 10px;
}
.cq__option {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 13px 17px;
  border: 1px solid var(--cq-line);
  border-radius: 5px;
  font-weight: 400;
  cursor: pointer;
  margin: 0;
  line-height: 1.8;
  background: #fff;
}
.cq__option:hover {
  background: var(--cq-paper);
}
.cq__option:has(input:checked) {
  border-color: var(--cq-green);
  background: #f2f7f1;
}
.cq__option:focus-within {
  outline: 2px solid var(--cq-green);
  outline-offset: 2px;
}
.cq__option input {
  accent-color: var(--cq-green);
  flex-shrink: 0;
  margin: 0;
}
.cq__letter {
  font-family: Georgia, serif;
  color: var(--cq-muted);
}
.cq__text {
  flex: 1;
  min-width: 0;
}
.cq__mark {
  flex-shrink: 0;
  width: 1em;
  font-weight: 700;
  text-align: center;
}
.cq__tag {
  flex-shrink: 0;
  margin-left: auto;
  font-size: 12px;
  white-space: nowrap;
}
div.cq__option {
  cursor: default;
}
div.cq__option:hover {
  background: #fff;
}
.cq__option--hit,
div.cq__option--hit:hover {
  border-color: var(--cq-green);
  background: #eaf3ec;
  color: var(--cq-green);
}
.cq__option--hit .cq__tag {
  color: var(--cq-green);
}
.cq__option--wrong,
div.cq__option--wrong:hover {
  border-color: #c0664a;
  background: #fbefea;
}
.cq__option--wrong .cq__mark,
.cq__option--wrong .cq__tag {
  color: #b0553a;
}
.cq__option--missed,
div.cq__option--missed:hover {
  border: 1px dashed var(--cq-green);
  background: #f5f9f5;
}
.cq__option--missed .cq__mark,
.cq__option--missed .cq__tag {
  color: var(--cq-green);
}
.cq__option--rest {
  color: var(--cq-muted);
}
.cq__explanation {
  margin: 22px 0 10px;
  padding: 20px 24px;
  border-left: 3px solid #b2c3ad;
  background: var(--cq-paper);
  font-size: 15px;
}
.cq__explanation > p {
  margin: 10px 0 0;
  white-space: normal;
}
.cq__explanation blockquote {
  margin: 14px 0 0;
  background: #fff;
}
.cq__subhead {
  font-size: 14px;
  font-weight: 600;
  margin: 18px 0 6px;
}
.cq__details {
  margin-top: 16px;
  font-size: 14px;
}
.cq summary {
  color: var(--cq-green);
  cursor: pointer;
  padding: 7px 0;
}
.cq summary:focus-visible {
  outline: 2px solid var(--cq-green);
}
.cq blockquote {
  border-left: 2px solid var(--cq-line);
  padding: 10px 18px;
  margin: 12px 0;
  font-size: 14px;
}
.cq blockquote p {
  margin: 10px 0;
  line-height: 1.9;
}
.cq__provenance {
  color: #656c63;
}
.cq__revision {
  background: var(--cq-paper);
  padding: 12px 18px;
  margin: 10px 0;
  border-radius: 4px;
}
.cq__revision p {
  margin: 6px 0;
}
.cq__revision b {
  margin-right: 12px;
  color: var(--cq-ink);
}
.cq pre {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font-family: inherit;
  font-size: 13px;
  background: var(--cq-paper);
  padding: 16px;
  border: 0;
  border-radius: 4px;
}
.cq__submit {
  margin: 30px 0;
  text-align: center;
}
.cq__submit button {
  background: var(--cq-green);
  color: #fff;
  border: 0;
  border-radius: 5px;
  font-size: 16px;
  padding: 13px 32px;
  min-width: 210px;
  cursor: pointer;
}
.cq__submit button:hover {
  background: #315544;
}
.cq__submit button:focus-visible {
  outline: 3px solid #91ac98;
  outline-offset: 3px;
}
.cq__submit button span {
  margin-left: 30px;
}
.cq__submit p {
  color: var(--cq-muted);
  font-size: 13px;
  margin-top: 12px;
}
.cq__submit .cq__error {
  margin: 0 0 16px;
  font-size: 14px;
  color: #944b2e;
}
.cq__after {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin: 32px 0;
}
.cq__after a {
  padding: 9px 22px;
  border: 1px solid var(--cq-green);
  border-radius: 5px;
  font-size: 15px;
  text-decoration: none;
}
.cq__after a:first-child {
  background: var(--cq-green);
  color: #fff;
}
.cq__references {
  margin-top: 36px;
  border-top: 1px solid var(--cq-line);
  padding-top: 12px;
}
.cq__references > summary {
  font-size: 15px;
}
.cq__error {
  padding: 14px 18px;
  color: #944b2e;
  background: #fff5e9;
  border-radius: 4px;
}
.cq__score {
  scroll-margin-top: 80px;
  background: var(--cq-paper);
  border: 1px solid var(--cq-line);
  padding: 24px 30px;
  margin: 0 0 28px;
  border-radius: 6px;
  outline: none;
}
.cq__score > strong {
  font-family: Georgia, serif;
  font-size: 52px;
  font-weight: 400;
  line-height: 1.3;
  color: var(--cq-green);
}
.cq__score small {
  font-size: 24px;
  color: #9ca499;
}
.cq__score p {
  margin: 10px 0;
}
.cq__score > a {
  font-size: 14px;
}
.cq__empty {
  padding: 28px 0;
  color: var(--cq-muted);
}
@media (max-width: 600px) {
  .cq {
    padding: 22px 15px 40px;
    font-size: 15px;
  }
  .cq__head {
    margin-bottom: 15px;
  }
  .cq__nav {
    margin-bottom: 20px;
  }
  .cq__option {
    padding: 12px;
    gap: 9px;
  }
  div.cq__option {
    flex-wrap: wrap;
    row-gap: 0;
  }
  .cq__tag {
    order: 3;
    flex-basis: 100%;
    margin-left: 0;
    padding-left: calc(2em + 18px);
  }
  .cq legend {
    font-size: 17px;
  }
  .cq__entry {
    gap: 15px;
  }
  .cq__entry strong {
    font-size: 20px;
  }
  .cq__explanation {
    padding: 16px;
  }
  .cq__credits {
    display: block;
  }
  .cq__credits span {
    display: block;
  }
  .cq__score {
    padding: 20px;
  }
  .cq__source a {
    overflow-wrap: anywhere;
  }
}
@media (prefers-reduced-motion: reduce) {
  .cq__entry {
    transition: none;
  }
}

/* The directory: 专业 tabs over a row of lesson numbers per course. */
.cq--wide {
  max-width: 1080px;
}
.cq__head--index {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 12px 32px;
}
.cq__mine {
  font-size: 15px;
  padding: 8px 18px;
  border: 1px solid var(--cq-green);
  border-radius: 5px;
  text-decoration: none;
  white-space: nowrap;
}
.cq-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 20px;
}
.cq-tabs a {
  padding: 6px 14px;
  border: 1px solid var(--cq-line);
  border-radius: 999px;
  background: #fff;
  color: var(--cq-ink);
  font-size: 15px;
  text-decoration: none;
}
.cq-tabs a span {
  color: var(--cq-muted);
  font-size: 12px;
  margin-left: 2px;
}
.cq-tabs a:hover {
  border-color: var(--cq-green);
}
.cq-tabs a[aria-current="page"] {
  background: var(--cq-green);
  border-color: var(--cq-green);
  color: #fff;
}
.cq-tabs a[aria-current="page"] span {
  color: #d9e6dd;
}
.cq-tabs--small {
  margin: 16px 0 0;
}
.cq-tabs--small a {
  font-size: 13px;
  padding: 4px 12px;
}
.cq-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 24px;
  margin-bottom: 8px;
}
.cq-legend {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 0;
  color: var(--cq-muted);
  font-size: 13px;
}
.cq-legend__how {
  flex-basis: 100%;
}
.cq-key {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin-right: 10px;
  white-space: nowrap;
}
.cq-swatch {
  display: inline-block;
  width: 14px;
  height: 14px;
  border-radius: 3px;
  background: #f1f1ec;
  border: 1px solid #dcddd4;
}
.cq-swatch--quiz {
  background: #fff;
  border-color: #9fb4a2;
}
.cq-swatch--right {
  background: var(--cq-green);
  border-color: var(--cq-green);
}
.cq-swatch--wrong {
  background: #b0553a;
  border-color: #b0553a;
}
.cq-bar__paper {
  font-size: 14px;
}
.cq-course {
  padding: 22px 0;
  border-bottom: 1px solid var(--cq-line);
}
.cq-course h2,
.cq-course h3 {
  font-family: "Songti SC", "Noto Serif CJK SC", SimSun, serif;
  font-size: 20px;
  font-weight: 500;
  margin: 0 0 12px;
}
.cq-course h2 span,
.cq-course h3 span {
  font-family: system-ui, sans-serif;
  font-size: 13px;
  color: var(--cq-muted);
  margin-left: 10px;
}
.cq-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.cq-cell {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 34px;
  height: 30px;
  padding: 0 4px;
  border-radius: 4px;
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  color: #b7bbb2;
  background: #f1f1ec;
}
.cq a.cq-cell--quiz,
.cq-cell--quiz {
  color: var(--cq-green);
  background: #fff;
  border: 1px solid #9fb4a2;
  text-decoration: none;
  font-weight: 600;
}
.cq a.cq-cell--quiz:hover {
  background: #eaf3ec;
}
.cq a.cq-cell--right,
.cq-cell--right {
  color: #fff;
  background: var(--cq-green);
  border-color: var(--cq-green);
}
.cq a.cq-cell--wrong,
.cq-cell--wrong {
  color: #fff;
  background: #b0553a;
  border-color: #b0553a;
}
.cq a.cq-cell--right:hover {
  background: #315544;
}
.cq a.cq-cell--wrong:hover {
  background: #93442d;
}
/* 其他课程: by 法类, courses under it, one-lesson courses as named cells. */
.cq-shelf {
  margin-top: 28px;
}
.cq-shelf__title {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--cq-green);
  margin: 0;
  padding-bottom: 6px;
  border-bottom: 2px solid var(--cq-green);
}
.cq-shelf__title span {
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0;
  color: var(--cq-muted);
  margin-left: 8px;
}
.cq-shelf .cq-course h3 {
  font-size: 18px;
}
.cq-cell--named {
  height: auto;
  min-height: 30px;
  padding: 4px 12px;
  font-weight: 500;
  text-align: left;
}
.cq-shared {
  margin-top: 32px;
}
.cq-shared > summary {
  cursor: pointer;
  font-size: 15px;
  color: var(--cq-ink);
  padding: 10px 0;
}
.cq-shared > p {
  margin: 0;
}
.cq-loose {
  margin: 0;
  padding-left: 1.2em;
}

/* 我的小测 and the 复习卷. */
.cq-papers {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  font-size: 14px;
}
.cq-done {
  padding: 20px 0;
  border-bottom: 1px solid var(--cq-line);
}
.cq-done h2 {
  font-size: 18px;
  font-weight: 500;
  margin: 0;
}
.cq-done p {
  margin: 4px 0 0;
}
.cq-done ul {
  list-style: none;
  margin: 12px 0 8px;
  padding: 0;
}
.cq-done li {
  padding: 8px 12px;
  margin-bottom: 6px;
  background: #fbefea;
  border-radius: 4px;
  font-size: 15px;
}
.cq-done__no {
  color: #b0553a;
  font-size: 13px;
  margin-right: 10px;
}
.cq-done__again {
  font-size: 14px;
}
.cq__from {
  font-size: 13px;
  color: var(--cq-muted);
  margin: 0 0 8px;
}

/* 小测统计. */
.cq-figures {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
  margin: 0 0 28px;
}
.cq-figures div {
  padding: 14px 18px;
  background: var(--cq-paper);
  border: 1px solid var(--cq-line);
  border-radius: 5px;
}
.cq-figures dt {
  font-size: 13px;
  color: var(--cq-muted);
  font-weight: 400;
}
.cq-figures dd {
  margin: 4px 0 0;
  font-family: Georgia, serif;
  font-size: 30px;
  font-variant-numeric: tabular-nums;
  color: var(--cq-green);
}
.cq-figures small {
  font-size: 15px;
  color: var(--cq-muted);
}
.cq-stats {
  margin: 0 0 32px;
}
.cq-stats h2 {
  font-size: 18px;
  font-weight: 600;
  margin: 0 0 10px;
}
.cq-scroll {
  overflow-x: auto;
}
.cq-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.cq-table th,
.cq-table td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--cq-line);
  text-align: left;
  vertical-align: top;
}
.cq-table thead th {
  font-weight: 500;
  color: var(--cq-muted);
  font-size: 13px;
}
.cq-table .cq-table__n {
  text-align: right;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
  width: 1%;
}
.cq-table th[scope="row"] {
  white-space: nowrap;
  font-weight: 400;
  font-variant-numeric: tabular-nums;
}
.cq-table__bar {
  width: 100%;
}
.cq-table__bar span {
  display: block;
  height: 12px;
  min-width: 2px;
  border-radius: 2px;
  background: #9fb4a2;
}
.cq-table__q {
  display: block;
  color: var(--cq-muted);
  font-size: 13px;
}
@media (max-width: 600px) {
  .cq-cell {
    min-width: 30px;
    height: 28px;
  }
  .cq-cell--named {
    height: auto;
    min-height: 28px;
  }
  .cq-figures dd {
    font-size: 24px;
  }
}