.main-area:has(.pa-challenge) {
  width: min(1180px, calc(100% - 48px));
  margin: 16px auto 44px;
  padding: 0 20px 28px;
  overflow: hidden;
  border: 1px solid #cfe4ec;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.97) !important;
  box-shadow: 0 22px 48px rgba(6, 47, 79, 0.14);
}

body:has(.pa-challenge) {
  background: #eef7fb !important;
}

.main-area:has(.pa-challenge) .container:not(.custom-container) {
  width: 100%;
  max-width: 100% !important;
  padding-right: 0;
  padding-left: 0;
}

.pa-challenge-cover {
  width: 100%;
  max-width: 1097px;
  margin: 16px auto 18px;
}

body:has(.pa-challenge) .main-area > section#pa-challenge-cover {
  padding: 0 !important;
  border-bottom: 0;
  background: transparent !important;
}

.pa-challenge-cover img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 798 / 200;
  object-fit: contain;
  border-radius: 10px;
}

.pa-challenge-intro {
  width: 100%;
  max-width: 1097px;
  margin: 0 auto 4px;
  padding: 20px 24px;
  border: 1px solid #d9e8ef;
  border-left: 4px solid #9ccfe2;
  border-radius: 12px;
  background: linear-gradient(135deg, #f8fcfe 0%, #fdf9fc 100%);
  box-shadow: 0 8px 22px rgba(58, 91, 111, 0.07);
}

.pa-challenge-intro p {
  margin: 0;
  color: #405966;
  font-size: 16px;
  line-height: 1.85;
  text-align: justify;
  text-indent: 2em;
}

.pa-challenge-intro p + p {
  margin-top: 9px;
}

.pa-challenge {
  --challenge-navy: #37445f;
  --challenge-blue: #656b9b;
  --challenge-teal: #776484;
  --challenge-ink: #465064;
  --challenge-muted: #697386;
  --challenge-line: #e0e0f3;
  --challenge-surface: #f7f6fc;
  margin: 0 0 40px;
  color: var(--challenge-ink);
  font-family: "Noto Sans Thai", "Sarabun", Tahoma, sans-serif;
}

.pa-challenge,
.pa-challenge * {
  box-sizing: border-box;
}

.pa-challenge__hero {
  padding: clamp(30px, 5vw, 48px) 0 28px;
  border: 0;
  background: #fff;
  color: var(--challenge-ink);
}

.pa-challenge__hero h1 {
  max-width: 930px;
  margin: 0;
  color: var(--challenge-navy) !important;
  font-size: clamp(18px, 2.5vw, 23px) !important;
  font-weight: 700 !important;
  line-height: 1.35 !important;
}

.pa-challenge__subtitle {
  max-width: 100%;
  margin: 12px 0 0;
  padding: 13px 18px;
  color: var(--challenge-muted);
  font-size: clamp(18px, 2.5vw, 23px);
  line-height: 1.55;
  background: #eaf6fb;
  border: 1px solid #cfe9f4;
  border-radius: 11px;
}

.pa-challenge__subtitle-label {
  color: var(--challenge-navy);
  font-weight: 800;
}

.pa-challenge__site {
  color: #66557b;
  font-weight: 800;
  letter-spacing: 0.01em;
  text-decoration: underline;
  text-decoration-color: #9b83b2;
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}

.pa-challenge__site:hover,
.pa-challenge__site:focus-visible {
  color: #4c3d60;
}

.pa-challenge__evidence {
  display: grid;
  width: 100%;
  max-width: 1097px;
  margin: 0 auto 28px;
  gap: 18px;
}

.pa-challenge__evidence figure {
  overflow: hidden;
  margin: 0;
  padding: 8px;
  border: 1px solid #d9e8ef;
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 8px 22px rgba(58, 91, 111, 0.08);
}

.pa-challenge__evidence img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1596 / 400;
  border-radius: 8px;
  object-fit: contain;
}

.pa-challenge__content {
  display: grid;
  gap: 22px;
  padding-top: 28px;
}

.pa-challenge__section {
  overflow: hidden;
  padding: clamp(22px, 4vw, 34px);
  border: 1px solid #e2dff0;
  border-radius: 20px;
  background: #fff;
  box-shadow: 0 12px 30px rgba(83, 76, 118, 0.075);
}

.pa-challenge__section-heading {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 22px;
}

.pa-challenge__section-heading > span {
  display: grid;
  width: 54px;
  height: 54px;
  flex: 0 0 54px;
  place-items: center;
  border-radius: 16px;
  background: linear-gradient(135deg, #d4d2f2, #dbcde3);
  color: #424a70;
  font-size: 18px;
  font-weight: 800;
}

.pa-challenge__section:nth-child(2) .pa-challenge__section-heading > span {
  background: linear-gradient(135deg, #fae0d8, #fadcdc);
  color: #785c64;
}

.pa-challenge__section:nth-child(3) .pa-challenge__section-heading > span {
  background: linear-gradient(135deg, #f0f4bf, #dfe1be);
  color: #5c6545;
}

.pa-challenge__section:nth-child(4) .pa-challenge__section-heading > span {
  background: linear-gradient(135deg, #d9ecf8, #d8e2f2);
  color: #4b6279;
}

.pa-challenge__section-heading p,
.pa-challenge__section-heading h2,
.pa-challenge__point p,
.pa-challenge__steps h3,
.pa-challenge__steps p,
.pa-challenge__outcome h3,
.pa-challenge__outcome p {
  margin: 0;
}

.pa-challenge__section-heading p {
  margin-bottom: 1px;
  color: var(--challenge-teal);
  font-size: 14px;
  font-weight: 700;
}

.pa-challenge__section-heading h2 {
  color: var(--challenge-navy) !important;
  font-size: clamp(21px, 3vw, 28px) !important;
  line-height: 1.35 !important;
}

.pa-challenge__problem-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 13px;
}

.pa-challenge__problem-grid > .pa-challenge__point {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  align-items: start;
  gap: 14px;
}

.pa-challenge__problem-grid > .pa-challenge__point > span {
  margin-bottom: 0;
  line-height: 1.6;
}

.pa-challenge__point {
  min-width: 0;
  padding: 19px;
  border: 1px solid #d4d2f2;
  border-radius: 15px;
  background: #f3f2fb;
}

.pa-challenge__point:nth-child(2) {
  border-color: #fceee2;
  background: #fff5ed;
}

.pa-challenge__point--accent {
  border-color: #dfe1be;
  background: #f7f8d8;
}

.pa-challenge__point > span {
  display: inline-block;
  margin-bottom: 10px;
  color: var(--challenge-blue);
  font-size: 18px;
  font-weight: 800;
}

.pa-challenge__point p,
.pa-challenge__steps p,
.pa-challenge__step-points li,
.pa-challenge__outcome p,
.pa-challenge__outcome li {
  color: #405966;
  font-size: 16px;
  line-height: 1.8;
}

.pa-challenge__steps {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.pa-challenge__steps > li {
  position: relative;
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 14px;
  padding-bottom: 20px;
}

.pa-challenge__steps > li:last-child {
  padding-bottom: 0;
}

.pa-challenge__steps > li::before {
  position: absolute;
  width: 2px;
  left: 27px;
  top: 48px;
  bottom: 2px;
  background: #e5d0e2;
  content: "";
}

.pa-challenge__steps > li:last-child::before {
  display: none;
}

.pa-challenge__steps > li > span {
  display: grid;
  width: 56px;
  height: 42px;
  place-items: center;
  border: 1px solid #d4d2f2;
  border-radius: 12px;
  background: #e0e0f3;
  color: var(--challenge-blue);
  font-size: 15px;
  font-weight: 800;
}

.pa-challenge__steps h3,
.pa-challenge__outcome h3 {
  color: var(--challenge-navy) !important;
  font-size: 19px !important;
  line-height: 1.5 !important;
}

.pa-challenge__steps p {
  margin-top: 4px;
}

.pa-challenge__step-points {
  display: grid;
  gap: 7px;
  margin: 8px 0 0;
  padding-left: 24px;
}

.pa-challenge__step-points li {
  padding-left: 3px;
}

.pa-challenge__step-points li::marker {
  color: #776484;
  font-weight: 800;
}

.pa-challenge__step-points strong {
  color: var(--challenge-ink);
}

.pa-challenge__outcome-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 14px;
}

.pa-challenge__outcome {
  padding: 22px;
  border: 1px solid #dbcde3;
  border-radius: 16px;
  background: #f7f3f9;
}

.pa-challenge__outcome--quantitative {
  border-color: #dfe1be;
  background: linear-gradient(145deg, #f0f4bf, #fff5ed);
}

.pa-challenge__metric {
  margin-bottom: 10px;
  color: #687449;
  font-size: clamp(36px, 5vw, 52px);
  font-weight: 800;
  line-height: 1;
}

.pa-challenge__outcome p {
  margin-top: 10px;
}

.pa-challenge__outcome ol {
  display: grid;
  gap: 10px;
  margin: 13px 0 0;
  padding-left: 24px;
}

.pa-challenge__outcome li {
  padding-left: 3px;
}

.pa-challenge__plan-intro {
  max-width: 980px;
  margin: -2px 0 20px;
  color: var(--challenge-muted);
  font-size: 16px;
  line-height: 1.75;
}

.pa-challenge__table-wrap {
  overflow: hidden;
  border: 1px solid #dcd9ec;
  border-radius: 16px;
  background: #fff;
}

.pa-challenge__plan-table {
  width: 100%;
  margin: 0;
  border: 0;
  border-collapse: separate;
  border-spacing: 0;
  table-layout: fixed;
  color: var(--challenge-ink);
}

.pa-challenge__plan-table caption {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.pa-challenge__plan-unit {
  width: 18%;
}

.pa-challenge__plan-hours {
  width: 8%;
}

.pa-challenge__plan-content,
.pa-challenge__plan-work {
  width: 23%;
}

.pa-challenge__plan-test {
  width: 28%;
}

.pa-challenge__plan-table th,
.pa-challenge__plan-table td {
  overflow-wrap: anywhere;
}

.pa-challenge__plan-table thead th {
  padding: 14px 12px;
  border: 0;
  border-right: 1px solid rgba(255, 255, 255, 0.72);
  background: #7775a3;
  color: #fff;
  font-size: 15px;
  font-weight: 800;
  line-height: 1.45;
  text-align: center;
  vertical-align: middle;
}

.pa-challenge__plan-table thead th:last-child {
  border-right: 0;
}

.pa-challenge__plan-table tbody th,
.pa-challenge__plan-table tbody td,
.pa-challenge__plan-table tfoot th,
.pa-challenge__plan-table tfoot td {
  padding: 16px 13px;
  border: 0;
  border-right: 1px solid #e4e1ef;
  border-bottom: 1px solid #e4e1ef;
  color: #465064;
  font-size: 14px;
  line-height: 1.65;
  text-align: left;
  vertical-align: top;
}

.pa-challenge__plan-table tbody tr:nth-child(1) > * {
  background: #f7f6fc;
}

.pa-challenge__plan-table tbody tr:nth-child(2) > * {
  background: #fff8f2;
}

.pa-challenge__plan-table tbody tr:nth-child(3) > * {
  background: #fbfbe8;
}

.pa-challenge__plan-table tbody tr > *:last-child,
.pa-challenge__plan-table tfoot tr > *:last-child {
  border-right: 0;
}

.pa-challenge__plan-table tbody th {
  color: var(--challenge-navy);
  font-weight: 700;
}

.pa-challenge__unit-number {
  display: block;
  margin-bottom: 3px;
  color: #6d6b9d;
  font-size: 13px;
  font-weight: 800;
}

.pa-challenge__plan-table .pa-challenge__hours {
  color: #5e5b86;
  font-size: 20px;
  font-weight: 800;
  text-align: center;
}

.pa-challenge__cell-list {
  display: grid;
  gap: 3px;
}

.pa-challenge__cell-list span {
  display: block;
}

.pa-challenge__plan-table tfoot th,
.pa-challenge__plan-table tfoot td {
  border-bottom: 0;
  background: #ebeaf7;
  color: #4e4c77;
  font-weight: 800;
  text-align: center;
  vertical-align: middle;
}

.pa-challenge__plan-notes {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr);
  gap: 16px;
  margin-top: 16px;
  padding: 16px 18px;
  border: 1px solid #f0dfb0;
  border-radius: 14px;
  background: #fff9e9;
}

.pa-challenge__plan-notes > strong {
  color: #7b6740;
  font-size: 16px;
}

.pa-challenge__plan-notes p {
  margin: 0;
  color: #5f6470;
  font-size: 14px;
  line-height: 1.7;
}

.pa-challenge__plan-notes p + p {
  margin-top: 4px;
}

@media (max-width: 991.98px) {
  .pa-challenge__problem-grid,
  .pa-challenge__outcome-grid {
    grid-template-columns: 1fr;
  }

  .pa-challenge__plan-table thead th,
  .pa-challenge__plan-table tbody th,
  .pa-challenge__plan-table tbody td,
  .pa-challenge__plan-table tfoot th,
  .pa-challenge__plan-table tfoot td {
    padding-right: 9px;
    padding-left: 9px;
    font-size: 13px;
  }
}

@media (max-width: 575.98px) {
  .main-area:has(.pa-challenge) {
    width: calc(100% - 20px);
    margin-top: 10px;
    padding-right: 12px;
    padding-left: 12px;
  }

  .pa-challenge-intro {
    padding: 16px;
    border-radius: 10px;
  }

  .pa-challenge-intro p {
    font-size: 15px;
    line-height: 1.75;
    text-align: left;
  }

  .pa-challenge__hero {
    padding: 26px 0 22px;
  }

  .pa-challenge__site {
    font-size: 14px;
  }

  .pa-challenge__content {
    gap: 14px;
    padding-top: 14px;
  }

  .pa-challenge__section {
    padding: 18px 15px;
    border-radius: 15px;
  }

  .pa-challenge__section-heading {
    align-items: flex-start;
    gap: 10px;
  }

  .pa-challenge__section-heading > span {
    width: 44px;
    height: 44px;
    flex-basis: 44px;
    border-radius: 12px;
    font-size: 15px;
  }

  .pa-challenge__point,
  .pa-challenge__outcome {
    padding: 16px;
  }

  .pa-challenge__steps > li {
    grid-template-columns: 52px minmax(0, 1fr);
    gap: 10px;
  }

  .pa-challenge__steps > li > span {
    width: 46px;
    height: 38px;
    font-size: 13px;
  }

  .pa-challenge__steps > li::before {
    left: 22px;
    top: 44px;
  }

  .pa-challenge__plan-intro {
    margin-bottom: 14px;
  }

  .pa-challenge__table-wrap {
    overflow: visible;
    border: 0;
    border-radius: 0;
    background: transparent;
  }

  .pa-challenge__plan-table,
  .pa-challenge__plan-table tbody,
  .pa-challenge__plan-table tfoot {
    display: block;
  }

  .pa-challenge__plan-table colgroup,
  .pa-challenge__plan-table thead {
    display: none;
  }

  .pa-challenge__plan-table tbody {
    display: grid;
    gap: 12px;
  }

  .pa-challenge__plan-table tbody tr,
  .pa-challenge__plan-table tfoot tr {
    display: block;
    overflow: hidden;
    border: 1px solid #ddd9ec;
    border-radius: 14px;
    background: #fff;
  }

  .pa-challenge__plan-table tbody th,
  .pa-challenge__plan-table tbody td,
  .pa-challenge__plan-table tfoot th,
  .pa-challenge__plan-table tfoot td {
    display: grid;
    grid-template-columns: 94px minmax(0, 1fr);
    gap: 10px;
    padding: 11px 13px;
    border: 0;
    border-bottom: 1px solid rgba(111, 105, 148, 0.12);
    font-size: 14px;
    line-height: 1.65;
    text-align: left;
  }

  .pa-challenge__plan-table tbody tr > *:last-child,
  .pa-challenge__plan-table tfoot tr > *:last-child {
    border-bottom: 0;
  }

  .pa-challenge__plan-table tbody th::before,
  .pa-challenge__plan-table tbody td::before,
  .pa-challenge__plan-table tfoot th::before,
  .pa-challenge__plan-table tfoot td::before {
    color: #716e97;
    content: attr(data-label);
    font-size: 13px;
    font-weight: 800;
  }

  .pa-challenge__plan-table .pa-challenge__hours {
    font-size: 18px;
    text-align: left;
  }

  .pa-challenge__plan-table tfoot {
    margin-top: 12px;
  }

  .pa-challenge__plan-table tfoot th,
  .pa-challenge__plan-table tfoot td {
    background: #ebeaf7;
  }

  .pa-challenge__plan-notes {
    grid-template-columns: 1fr;
    gap: 6px;
    padding: 14px;
  }
}