.training-body *,
.training-body *::before,
.training-body *::after {
  box-sizing: border-box;
}

.knowledge-section {
  margin-top: 28px;
  padding: 24px 0 30px;
  border-top: 1px solid #ead9c2;
  border-bottom: 1px solid #ead9c2;
}

.knowledge-heading {
  max-width: 760px;
  margin-bottom: 18px;
}

.knowledge-heading h2 {
  margin: 0;
  color: #493b30;
  font-size: 28px;
  line-height: 1.3;
}

.knowledge-heading p {
  margin: 9px 0 0;
  color: #776b5f;
}

.knowledge-list {
  display: grid;
  gap: 12px;
}

.knowledge-card {
  display: grid;
  gap: 8px;
  padding: 18px;
  border: 1px solid #ead9c2;
  border-radius: 8px;
  background: #fffdf8;
  color: #3f352b;
  text-decoration: none;
}

.knowledge-card:nth-child(3n + 2) {
  background: #eef8ef;
}

.knowledge-card:nth-child(3n) {
  background: #edf7fb;
}

.knowledge-rank {
  color: #9b6a3c;
  font-size: 13px;
  font-weight: 700;
}

.knowledge-card strong {
  font-size: 21px;
  line-height: 1.35;
}

.knowledge-reason,
.knowledge-evidence,
.knowledge-goal {
  color: #665a4e;
  font-size: 15px;
  line-height: 1.7;
}

.knowledge-action {
  margin-top: 6px;
  color: #8a5d34;
  font-weight: 700;
}

.knowledge-empty {
  padding: 20px;
  border: 1px solid #ead9c2;
  border-radius: 8px;
  background: #fff4e3;
  color: #665443;
}

.training-body {
  margin: 0;
  background: linear-gradient(180deg, #fff8ec, #fffdf8 42%, #f1faf4);
  color: #3f352b;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 17px;
  line-height: 1.75;
}

.training-shell {
  width: min(100%, 920px);
  margin: 0 auto;
  padding: 22px clamp(15px, 4vw, 32px) 70px;
}

.training-back {
  display: inline-flex;
  min-height: 40px;
  align-items: center;
  color: #8a5d34;
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
}

.training-header {
  margin-top: 16px;
  padding-bottom: 22px;
  border-bottom: 1px solid #ead9c2;
}

.training-header h1 {
  margin: 0;
  font-size: clamp(30px, 7vw, 46px);
  line-height: 1.18;
  letter-spacing: 0;
}

.training-intro {
  margin: 14px 0 0;
  color: #6d6155;
}

.training-evidence {
  margin: 16px 0 0;
  padding: 13px 15px;
  border-left: 4px solid #d3ad7e;
  background: #fff2de;
  color: #594939;
}

.round-summary {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 22px 0;
}

.round-summary div {
  padding: 13px;
  border: 1px solid #ead9c2;
  border-radius: 8px;
  background: #fffdf8;
}

.round-summary strong,
.round-summary span {
  display: block;
}

.round-summary strong {
  font-size: 18px;
}

.round-summary span {
  color: #776b5f;
  font-size: 13px;
}

.question-group {
  margin-top: 28px;
}

.question-group h2 {
  margin: 0 0 12px;
  font-size: 24px;
  line-height: 1.3;
}

.question-list {
  display: grid;
  gap: 12px;
}

.question-card {
  padding: 17px;
  border: 1px solid #ead9c2;
  border-radius: 8px;
  background: #fffdf8;
}

.question-card.is-correct {
  border-color: #acd0ae;
  background: #f2faf1;
}

.question-card.is-wrong {
  border-color: #e4b095;
  background: #fff4ed;
}

.question-title {
  margin: 0 0 12px;
  font-weight: 700;
  white-space: pre-line;
}

.question-points {
  color: #94704d;
  font-size: 13px;
  font-weight: 700;
}

.option-list {
  display: grid;
  gap: 8px;
}

.option {
  display: flex;
  min-height: 42px;
  align-items: flex-start;
  gap: 9px;
  padding: 8px 10px;
  border: 1px solid #eadfd0;
  border-radius: 7px;
  background: #fffcf6;
}

.option input {
  margin-top: 6px;
}

.fill-input {
  width: min(100%, 420px);
  min-height: 44px;
  padding: 9px 11px;
  border: 1px solid #d8c7b2;
  border-radius: 7px;
  background: #fffaf1;
  color: #3f352b;
  font: inherit;
}

.answer-feedback {
  display: none;
  margin: 12px 0 0;
  padding-top: 10px;
  border-top: 1px dashed #dbc8b2;
  color: #5c4d40;
  font-size: 15px;
}

.question-card.is-correct .answer-feedback,
.question-card.is-wrong .answer-feedback {
  display: block;
}

.quiz-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.quiz-button {
  min-height: 46px;
  padding: 9px 18px;
  border: 1px solid #c89561;
  border-radius: 8px;
  background: #fff0d3;
  color: #674429;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.quiz-button.secondary {
  background: #eef8ef;
  border-color: #a9cbaa;
  color: #3f6043;
}

.quiz-button[hidden] {
  display: none;
}

.result-panel {
  margin-top: 24px;
  padding: 20px;
  border: 1px solid #dac5aa;
  border-radius: 8px;
  background: #fff3df;
}

.result-panel[hidden] {
  display: none;
}

.score-number {
  font-size: 44px;
  font-weight: 800;
  line-height: 1;
}

.result-panel h2,
.result-panel p {
  margin: 0;
}

.result-panel p {
  margin-top: 10px;
}

.wrong-focus {
  margin-top: 12px;
  color: #684c34;
}

@media (max-width: 640px) {
  .training-body {
    font-size: 16px;
  }

  .round-summary {
    grid-template-columns: 1fr;
  }

  .knowledge-card,
  .question-card {
    padding: 15px;
  }
}