:root {
  --certificate-blue: #6ea2ff;
  --certificate-line: rgba(255, 255, 255, 0.14);
  --certificate-panel: rgba(13, 22, 38, 0.92);
  --certificate-muted: rgba(247, 248, 251, 0.74);
}

.ptlk-certificate-hero .ptlk-guide-hero__lead {
  max-width: 900px;
}

.ptlk-certificate-answer {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(34px, 6vw, 86px);
  padding-bottom: clamp(68px, 8vw, 112px);
  border-bottom: 1px solid var(--certificate-line);
}

.ptlk-certificate-answer h2,
.ptlk-certificate-section-head h2,
.ptlk-certificate-cta h2 {
  margin: 0;
  color: #fff;
  font-size: clamp(31px, 4.4vw, 54px);
  font-weight: 820;
  line-height: 1.18;
  letter-spacing: -0.05em;
  word-break: keep-all;
}

.ptlk-certificate-answer > div:last-child > p,
.ptlk-certificate-section-head > p:last-child,
.ptlk-certificate-cta p {
  margin: 0;
  color: var(--certificate-muted);
  font-size: 17px;
  line-height: 1.85;
  word-break: keep-all;
}

.ptlk-certificate-answer .ptlk-certificate-updated {
  margin-top: 20px;
  color: rgba(166, 196, 247, 0.82);
  font-size: 13px;
}

.ptlk-certificate-section {
  padding-top: clamp(72px, 9vw, 124px);
}

.ptlk-certificate-section-head {
  max-width: 850px;
  margin-bottom: 36px;
}

.ptlk-certificate-section-head > p:last-child {
  margin-top: 20px;
}

.ptlk-certificate-document-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(330px, 0.92fr);
  gap: clamp(22px, 4vw, 54px);
  align-items: start;
}

.ptlk-certificate-figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--certificate-line);
  border-radius: 20px;
  background: #fff;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.26);
}

.ptlk-certificate-figure a {
  display: block;
  color: inherit;
}

.ptlk-certificate-figure img {
  display: block;
  width: 100%;
  height: auto;
  background: #fff;
}

.ptlk-certificate-figure figcaption {
  padding: 14px 18px;
  border-top: 1px solid #d9dee7;
  background: #f5f7fb;
  color: #334155;
  font-size: 13px;
  line-height: 1.6;
}

.ptlk-certificate-meta {
  padding: clamp(26px, 4vw, 42px);
  border: 1px solid rgba(113, 164, 255, 0.32);
  border-radius: 20px;
  background: linear-gradient(145deg, rgba(22, 35, 58, 0.98), rgba(8, 13, 23, 0.98));
}

.ptlk-certificate-meta h3 {
  margin: 0 0 22px;
  color: #fff;
  font-size: clamp(25px, 3vw, 35px);
  line-height: 1.3;
  letter-spacing: -0.04em;
  word-break: keep-all;
}

.ptlk-certificate-meta dl {
  margin: 0;
}

.ptlk-certificate-meta dl > div {
  display: grid;
  grid-template-columns: 112px minmax(0, 1fr);
  gap: 16px;
  padding: 15px 0;
  border-top: 1px solid var(--certificate-line);
}

.ptlk-certificate-meta dt {
  color: #8db5ff;
  font-size: 13px;
  font-weight: 760;
}

.ptlk-certificate-meta dd {
  margin: 0;
  color: #fff;
  line-height: 1.65;
  word-break: keep-all;
}

.ptlk-certificate-meta__note {
  margin: 20px 0 0;
  padding: 18px;
  border-radius: 14px;
  background: rgba(85, 139, 235, 0.11);
  color: var(--certificate-muted);
  font-size: 14px;
  line-height: 1.7;
  word-break: keep-all;
}

.ptlk-certificate-meta .ptlk-guide-actions {
  margin-top: 24px;
}

.ptlk-certificate-keypoints,
.ptlk-certificate-related {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.ptlk-certificate-keypoints article,
.ptlk-certificate-related a {
  min-height: 210px;
  padding: 28px;
  border: 1px solid var(--certificate-line);
  border-radius: 18px;
  background: var(--certificate-panel);
}

.ptlk-certificate-keypoints span,
.ptlk-certificate-related span {
  color: #7eacff;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.ptlk-certificate-keypoints h3,
.ptlk-certificate-related strong {
  display: block;
  margin: 16px 0 12px;
  color: #fff;
  font-size: 22px;
  line-height: 1.38;
  letter-spacing: -0.035em;
  word-break: keep-all;
}

.ptlk-certificate-keypoints p,
.ptlk-certificate-related p {
  margin: 0;
  color: var(--certificate-muted);
  line-height: 1.72;
  word-break: keep-all;
}

.ptlk-certificate-related a {
  display: flex;
  flex-direction: column;
  color: #fff;
  text-decoration: none;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.ptlk-certificate-related a:hover,
.ptlk-certificate-related a:focus-visible {
  transform: translateY(-3px);
  border-color: rgba(101, 157, 255, 0.76);
  color: #fff;
}

.ptlk-certificate-related em {
  margin-top: auto;
  padding-top: 24px;
  color: #a9c7ff;
  font-size: 13px;
  font-style: normal;
  font-weight: 750;
}

.ptlk-certificate-cta {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(260px, 0.65fr);
  gap: 42px;
  align-items: end;
  margin-top: clamp(82px, 10vw, 140px);
  padding: clamp(32px, 5vw, 58px);
  border: 1px solid rgba(92, 151, 255, 0.45);
  border-radius: 24px;
  background: linear-gradient(135deg, rgba(39, 91, 187, 0.24), rgba(10, 16, 27, 0.98));
}

.ptlk-certificate-cta p {
  margin-top: 18px;
}

.ptlk-certificate-cta .ptlk-guide-actions {
  justify-content: flex-end;
  margin: 0;
}

/*
 * style.css의 사이트 공통 section 배경(#000 !important)이 공공기관 안내
 * 페이지의 구획을 검은 상자로 덮지 않도록 이 페이지군에서만 해제한다.
 */
body.ptlk-public-body .ptlk-public-answer,
body.ptlk-public-body .ptlk-public-section,
body.ptlk-public-body .ptlk-certificate-answer,
body.ptlk-public-body .ptlk-certificate-section {
  background: transparent !important;
}

body.ptlk-public-body .ptlk-public-cta {
  background: linear-gradient(135deg, rgba(39, 91, 187, 0.24), rgba(10, 16, 27, 0.98)) !important;
}

body.ptlk-public-body .ptlk-certificate-cta {
  background: linear-gradient(135deg, rgba(39, 91, 187, 0.24), rgba(10, 16, 27, 0.98)) !important;
}

.ptlk-public-credential-detail {
  display: inline-flex;
  margin-top: 18px;
  color: #a9c7ff;
  font-size: 13px;
  font-weight: 760;
  text-decoration: none;
}

.ptlk-public-credential-detail:hover,
.ptlk-public-credential-detail:focus-visible {
  color: #fff;
  text-decoration: underline;
}

@media (max-width: 991.98px) {
  .ptlk-certificate-answer,
  .ptlk-certificate-document-layout,
  .ptlk-certificate-cta {
    grid-template-columns: 1fr;
  }

  .ptlk-certificate-keypoints,
  .ptlk-certificate-related {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .ptlk-certificate-cta .ptlk-guide-actions {
    justify-content: flex-start;
  }
}

@media (max-width: 640px) {
  .ptlk-certificate-keypoints,
  .ptlk-certificate-related {
    grid-template-columns: 1fr;
  }

  .ptlk-certificate-meta dl > div {
    grid-template-columns: 1fr;
    gap: 5px;
  }

  .ptlk-certificate-keypoints article,
  .ptlk-certificate-related a {
    min-height: 0;
  }

  .ptlk-certificate-cta {
    gap: 28px;
    border-radius: 18px;
  }

  .ptlk-certificate-cta .ptlk-guide-actions a {
    width: 100%;
  }
}

@media print {
  .ptlk-certificate-figure,
  .ptlk-certificate-meta {
    box-shadow: none;
  }
}