:root {
  --sidebar: 252px;
}
.content {
  max-width: 1110px;
  padding: 0 58px;
}
.sidebar {
  padding-top: 32px;
}
.toc {
  gap: 7px;
}
.toc a {
  font-size: 12px;
  padding: 11px 12px;
}
.nav-title {
  margin-bottom: 31px;
}
.nav-key {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 10px;
}
.nav-bottom p {
  margin: 0 0 22px;
  font-size: 10px;
}
.full-lecture {
  font-size: 12px;
  color: #555;
}
.section {
  padding: 54px 0;
}
.section h2 {
  font-size: 34px;
  margin: 0 0 18px;
}
.section-index {
  font-size: 11px;
  color: #646469;
}
.section-head {
  margin-bottom: 12px;
}
.section p {
  font-size: 14px;
}
.section h3 {
  font-size: 19px;
  margin: 9px 0;
}
.micro {
  font-size: 9px;
  letter-spacing: 1.45px;
  color: #646469;
  font-weight: 700;
  display: block;
}
.exam-hero {
  padding: 67px 0 45px;
}
.exam-hero h1 {
  font-size: clamp(43px, 4.6vw, 66px);
  line-height: 1.18;
  letter-spacing: -0.06em;
  margin: 24px 0 20px;
}
.hero-sub {
  font-size: 16px;
  color: #66666e;
}
.hero-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}
.flag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 9px;
  border-radius: 6px;
  font-size: 10px;
  font-weight: 650;
  line-height: 1.7;
  white-space: normal;
}
.flag:before {
  content: '';
  width: 5px;
  height: 5px;
  flex-shrink: 0;
  border-radius: 50%;
  background: currentColor;
}
.flag.red {
  color: #bb333b;
  background: #fff0f1;
}
.flag.blue {
  color: #175cac;
  background: #edf4ff;
}
.flag.supplement {
  color: #616168;
  background: #eeeef1;
}
.scope-note {
  font-size: 11px !important;
  color: #76767c;
  margin: 13px 0 0;
  line-height: 1.8;
}
.essential-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 32px;
}
.essential {
  border: 1px solid #e4e4eb;
  background: linear-gradient(135deg, #fafbff, #f5f5f7);
  border-radius: 18px;
  padding: 23px 25px;
  color: var(--ink);
}
.essential:hover {
  text-decoration: none;
  background: #eef3fb;
  border-color: #bdcde8;
}
.essential b {
  display: block;
  font-size: 22px;
  letter-spacing: -1px;
  margin: 10px 0 5px;
  line-height: 1.4;
}
.essential > span:last-child {
  font-size: 12px;
  color: #727278;
}
.evidence {
  display: flex;
  gap: 9px;
  align-items: center;
  flex-wrap: wrap;
  margin: 9px 0 20px;
}
.evidence a {
  font-size: 10px;
  color: #6d717c;
}
.evidence:has(> .flag:only-child) {
  display: none;
}
.definition-box {
  background: #fbf6f7;
  border: 1px solid #f1e4e7;
  padding: 29px 32px;
  border-radius: 21px;
  margin: 22px 0;
}
.definition-box p {
  font-size: 23px;
  line-height: 1.8;
  margin-top: 12px;
  letter-spacing: -0.7px;
}
.red-text {
  color: #b92e3b;
}
.evolution-row {
  display: grid;
  grid-template-columns: 1fr 20px 1fr 20px 1fr;
  align-items: center;
  gap: 10px;
}
.evolution-row article {
  padding: 22px 18px;
  background: #f5f5f7;
  border-radius: 17px;
  align-self: stretch;
}
.version-small {
  font-size: 34px;
  line-height: 1.2;
  font-weight: 750;
  letter-spacing: -1.5px;
  color: #73737d;
}
.evolution-row h3 {
  font-size: 15px;
  line-height: 1.6;
  min-height: 48px;
}
.evolution-row p {
  font-size: 11px;
  color: #6d6d75;
}
.evolution-row .current {
  background: #edf4ff;
}
.current .version-small {
  color: #0066cc;
}
.between {
  color: #a1a1ab;
}
.inline-note {
  display: flex;
  gap: 20px;
  padding: 20px 23px;
  background: #f6f7fa;
  border-radius: 15px;
  font-size: 13px;
  margin-top: 22px;
  align-items: start;
}
.inline-note > b {
  font-size: 11px;
  white-space: nowrap;
  color: #52677f;
  padding-top: 2px;
}
.inline-note small {
  font-size: 11px;
  color: #74747b;
}
.term-mini {
  font-size: 11px !important;
  color: #696972;
  line-height: 1.9;
  margin-top: 18px !important;
}
.triad {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}
.phase {
  background: #f5f5f7;
  border-radius: 20px;
  padding: 25px 21px;
}
.phase h3 {
  font-size: 26px;
  margin: 12px 0;
}
.phase p {
  font-size: 12px;
  color: #6b6b72;
}
.phase .question {
  font-size: 13px;
  font-weight: 650;
  color: #325d91;
  min-height: 46px;
  margin: 18px 0 10px;
  line-height: 1.8;
}
.example-chip {
  display: block;
  font-size: 11px;
  color: #5c6170;
  border-top: 1px solid #dddfe7;
  padding-top: 15px;
  margin-top: 20px;
}
.support-box {
  padding: 23px;
  border: 1px solid #e2e4eb;
  border-radius: 18px;
  margin-top: 21px;
}
.support-title {
  font-size: 13px;
  font-weight: 650;
}
.support-title .evidence {
  margin: 7px 0 16px;
}
.participation {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.participation div {
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.participation b {
  font-size: 13px;
  color: #265989;
}
.participation span {
  font-size: 12px;
}
.statement {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 15px;
  line-height: 1.9;
  padding: 22px 27px;
  background: #f5f5f7;
  border-radius: 17px;
}
.statement > b {
  color: #0066cc;
  font-size: 17px;
  white-space: nowrap;
}
.health-flow {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 26px 15px 10px;
}
.health-flow > div {
  flex: 1;
  text-align: center;
}
.health-flow > span {
  font-size: 20px;
  color: #9b9da7;
}
.health-flow b {
  display: block;
  font-size: 34px;
  letter-spacing: -1.5px;
  margin: 5px 0;
  color: #3b5b97;
}
.health-flow div > span:last-child {
  font-size: 12px;
  color: #676c79;
}
.loop-caption {
  text-align: center;
  font-size: 11px !important;
  color: #707d8c;
  border-bottom: 1px solid #dfe5ef;
  padding-bottom: 23px;
  margin: 0 0 23px;
}
.card h3 {
  font-size: 22px;
}
.card p {
  font-size: 13px;
}
.keyword-pair {
  display: flex;
  gap: 7px;
  margin-top: 18px;
  flex-wrap: wrap;
}
.keyword-pair span {
  font-size: 11px;
  padding: 5px 11px;
  border-radius: 6px;
  background: #ffffffa0;
  color: #47617d;
}
.relation {
  font-size: 23px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 15px;
  color: #665483;
}
.relation small {
  font-size: 10px;
  font-weight: 400;
}
.purpose-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 9px;
}
.purpose-grid div {
  padding: 14px 9px;
  border-radius: 10px;
  background: #f6f6f8;
}
.purpose-grid b {
  font-size: 12px;
  display: block;
  line-height: 1.6;
}
.purpose-grid span {
  font-size: 11px;
  color: #62626b;
  display: block;
  margin-top: 8px;
}
.ux-icon {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: #e4edfb;
  color: #2463ab;
  display: grid;
  place-items: center;
  font-size: 25px;
}
.ux-triad .phase h3 {
  font-size: 25px;
}
.ux-triad .phase .question {
  min-height: 48px;
}
.rux {
  background: #202432;
  color: #fff;
  border-radius: 21px;
  padding: 28px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 20px;
  align-items: center;
}
.rux .micro {
  color: #a6b6d8;
}
.rux h3 {
  font-size: 19px;
}
.rux p {
  color: #c4cbdd;
  font-size: 12px;
}
.experience-path {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  font-size: 12px;
}
.experience-path span {
  background: #333a4e;
  padding: 8px 10px;
  border-radius: 8px;
}
.experience-path i {
  font-style: normal;
  align-self: center;
  color: #9ba9c5;
}
.experience-path small {
  width: 100%;
  text-align: center;
  font-size: 10px;
  color: #a8b3cc;
  margin-top: 9px;
}
.process-ribbon {
  display: flex;
  gap: 15px;
  align-items: center;
  background: #eff4fc;
  border-radius: 17px;
  padding: 22px;
}
.process-ribbon span {
  flex: 1;
  text-align: center;
  font-weight: 700;
  color: #315990;
  font-size: 22px;
}
.process-ribbon i {
  font-style: normal;
  color: #8b9ebc;
}
.return-path {
  border: 1px solid #bccde4;
  border-top: 0;
  border-radius: 0 0 15px 15px;
  margin: 0 30px;
  padding: 8px;
  text-align: center;
  color: #517296;
  font-size: 11px;
}
.process-note {
  text-align: center;
  margin: 21px 0 25px;
}
.process-note b {
  font-size: 17px;
  display: block;
}
.process-note span {
  font-size: 12px;
  color: #77777f;
}
.process-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 15px;
}
.process-card {
  padding: 25px;
  border-radius: 19px;
  background: #f5f5f7;
}
.process-card h3 {
  font-size: 27px;
  margin: 10px 0 5px;
}
.process-card > p {
  font-size: 12px;
  color: #74747c;
}
.process-card dl {
  margin: 19px 0 0;
}
.process-card dl > div {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 10px;
  border-top: 1px solid #dedee5;
  padding: 10px 0;
  font-size: 12px;
}
.process-card dt {
  color: #285b94;
  font-weight: 650;
}
.process-card dd {
  margin: 0;
  color: #555c68;
}
.memory-strip {
  border-radius: 15px;
  background: #edf4fe;
  padding: 18px 22px;
  display: flex;
  gap: 9px 20px;
  align-items: center;
  flex-wrap: wrap;
  margin-top: 17px;
}
.memory-strip b {
  font-size: 11px;
  color: #516e95;
}
.memory-strip span {
  font-size: 14px;
  font-weight: 650;
  color: #235b9b;
}
.memory-strip small {
  font-size: 10px;
  color: #6a7d97;
}
.metaphors {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 12px;
  color: #3d6596;
}
.grid .support-box {
  margin-top: 0;
  padding: 23px;
}
.support-box h4 {
  font-size: 14px;
  line-height: 1.7;
}
.support-box p {
  font-size: 12px;
}
.value-line {
  display: flex;
  gap: 13px;
  align-items: center;
  justify-content: center;
  margin: 28px 0;
  font-size: 13px;
}
.value-line i {
  font-style: normal;
  color: #a2a2ad;
}
.value-line b {
  color: #bb343d;
}
.esg-letter {
  display: block;
  font-size: 62px;
  line-height: 1.1;
  font-weight: 750;
  color: #306bb2;
  letter-spacing: -2px;
}
.esg-triad .phase:nth-child(2) .esg-letter {
  color: #637bc5;
}
.esg-triad .phase:nth-child(3) .esg-letter {
  color: #8a6bbe;
}
.esg-triad h3 {
  font-size: 22px;
}
.esg-triad p {
  margin-top: 18px;
}
.term-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
}
.term-grid article {
  background: #f5f5f7;
  border-radius: 17px;
  padding: 24px;
}
.term-abbr {
  font-size: 12px;
  font-weight: 700;
  color: #0066cc;
}
.term-grid h3 {
  font-size: 20px;
  margin: 8px 0 13px;
}
.term-grid p {
  font-size: 12px;
  color: #666b75;
}
.term-grid small {
  display: block;
  font-size: 10px;
  color: #82828b;
  margin-top: 17px;
}
.recall-intro {
  font-size: 13px !important;
  color: #777780;
}
.recall-actions {
  display: flex;
  gap: 10px;
  align-items: center;
  margin: 21px 0;
}
.recall-actions button {
  font-size: 11px;
  padding: 8px 15px;
}
.recall-actions span {
  font-size: 11px;
  color: #777;
}
.q-number {
  font-size: 11px;
  display: inline-block;
  min-width: 30px;
  color: #0066cc;
}
.recall-list summary {
  font-size: 14px;
}
.recall-list .answer {
  padding-left: 30px;
  font-size: 13px;
  color: #3c638c;
}
.verification-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 40px;
  margin: 26px 0;
}
.verification-grid > div {
  display: flex;
  flex-direction: column;
}
.verification-grid b {
  font-size: 38px;
  color: #596880;
  line-height: 1.3;
  letter-spacing: -1px;
}
.verification-grid span {
  font-size: 11px;
  color: #767680;
  margin-top: 8px;
}
.verification-notes {
  font-size: 12px !important;
  color: #646773;
}
.source-buttons {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 12px;
  margin-top: 24px;
}
@media (max-width: 1100px) {
  .content {
    padding: 0 36px;
  }
  .essential b {
    font-size: 20px;
  }
  .triad {
    gap: 10px;
  }
  .phase {
    padding: 22px 16px;
  }
  .evolution-row {
    gap: 7px;
  }
  .evolution-row article {
    padding: 20px 14px;
  }
  .process-card dl > div {
    grid-template-columns: 100px 1fr;
  }
}
@media (max-width: 820px) {
  .triad {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .full-lecture {
    font-size: 11px;
  }
  .section h2 {
    font-size: 31px;
  }
  .exam-hero h1 {
    font-size: 54px;
  }
  .sidebar {
    width: 275px;
  }
  .content {
    padding: 0 28px;
  }
}
@media (max-width: 600px) {
  .content {
    padding: 0 22px;
  }
  .exam-hero {
    padding-top: 45px;
  }
  .exam-hero h1 {
    font-size: 42px;
  }
  .hero-sub {
    font-size: 14px;
  }
  .essential-grid {
    gap: 10px;
  }
  .essential {
    padding: 19px 15px;
  }
  .essential b {
    font-size: 18px;
  }
  .essential > span:last-child {
    font-size: 10px;
  }
  .section {
    padding: 43px 0;
  }
  .section h2 {
    font-size: 28px;
  }
  .definition-box {
    padding: 24px;
  }
  .definition-box p {
    font-size: 20px;
  }
  .triad {
    grid-template-columns: 1fr;
  }
  .phase {
    padding: 23px;
  }
  .phase .question,
  .ux-triad .phase .question {
    min-height: 0;
    margin: 12px 0;
  }
  .phase h3 {
    font-size: 25px;
  }
  .example-chip {
    margin-top: 16px;
    padding-top: 13px;
  }
  .evolution-row {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .evolution-row article {
    display: grid;
    grid-template-columns: 53px 1fr;
    gap: 2px 15px;
    padding: 19px 21px;
    align-items: center;
  }
  .evolution-row h3 {
    min-height: 0;
    font-size: 14px;
    margin: 0;
  }
  .evolution-row p {
    grid-column: 2;
  }
  .version-small {
    grid-row: 1 / 3;
    font-size: 30px;
  }
  .between {
    text-align: center;
    transform: rotate(90deg);
    height: 20px;
    line-height: 20px;
  }
  .inline-note {
    flex-direction: column;
    gap: 7px;
    padding: 18px;
  }
  .participation {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .participation div {
    flex-direction: row;
    gap: 20px;
  }
  .statement {
    flex-direction: column;
    align-items: start;
    gap: 8px;
    font-size: 13px;
    padding: 22px;
  }
  .health-flow {
    gap: 10px;
    padding: 23px 0 10px;
  }
  .health-flow b {
    font-size: 28px;
  }
  .health-flow .micro {
    font-size: 8px;
    letter-spacing: 0.5px;
  }
  .health-flow div > span:last-child {
    font-size: 10px;
  }
  .purpose-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .purpose-grid div:last-child {
    grid-column: 1 / -1;
  }
  .purpose-grid br {
    display: none;
  }
  .purpose-grid span {
    margin-top: 4px;
  }
  .rux {
    grid-template-columns: 1fr;
    gap: 25px;
  }
  .experience-path {
    justify-content: start;
  }
  .experience-path small {
    text-align: left;
  }
  .process-ribbon {
    padding: 18px 12px;
    gap: 8px;
  }
  .process-ribbon span {
    font-size: 17px;
  }
  .return-path {
    margin: 0 12px;
    font-size: 10px;
  }
  .process-grid {
    grid-template-columns: 1fr;
  }
  .process-card {
    padding: 23px;
  }
  .process-card dl > div {
    grid-template-columns: 115px 1fr;
  }
  .value-line {
    flex-wrap: wrap;
    font-size: 11px;
    gap: 8px;
  }
  .esg-triad {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .esg-triad .phase {
    padding: 18px 13px;
  }
  .esg-letter {
    font-size: 48px;
  }
  .esg-triad h3 {
    font-size: 18px;
  }
  .esg-triad .micro {
    font-size: 8px;
    letter-spacing: 0.4px;
  }
  .esg-triad p {
    font-size: 11px;
  }
  .term-grid {
    grid-template-columns: 1fr;
  }
  .verification-grid {
    gap: 22px;
  }
  .verification-grid b {
    font-size: 30px;
  }
  .verification-grid span {
    font-size: 10px;
  }
  .recall-actions {
    flex-wrap: wrap;
  }
  .recall-list summary {
    font-size: 13px;
  }
  .full-lecture {
    display: none;
  }
  .support-title .evidence {
    gap: 7px;
  }
  .evidence {
    gap: 7px;
  }
}
@media print {
  .full-lecture,
  .recall-actions {
    display: none !important;
  }
  .exam-hero {
    padding-top: 10px;
  }
  .exam-hero h1 {
    font-size: 38px;
  }
  .content {
    padding: 0 5px;
  }
  .section {
    padding: 25px 0;
  }
  .essential,
  .phase,
  .process-card,
  .term-grid article,
  .definition-box {
    break-inside: avoid;
  }
  .triad,
  .esg-triad {
    grid-template-columns: repeat(3, 1fr);
  }
  .process-grid,
  .term-grid {
    grid-template-columns: 1fr 1fr;
  }
  .rux {
    background: #f5f5f7;
    color: #111;
    border: 1px solid #ddd;
  }
  .rux p,
  .rux .micro {
    color: #555;
  }
  .experience-path span {
    background: #e7e7e7;
  }
  .section h2 {
    font-size: 26px;
  }
}
