/* blog pages (built by tools/build_blog.py) */

.pk-blog {
  padding: 140px 0 70px;
  background: #ffffff;
  color: #334155;
}
@media (max-width: 768px) {
  .pk-blog {
    padding-top: 118px;
  }
}

.pk-crumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  max-width: 780px;
  margin: 0 auto 22px;
  font-size: 13px;
  color: #64748b;
}
.pk-crumbs a {
  color: #64748b;
}
.pk-crumbs a:hover {
  color: #0073ec;
}

.pk-article {
  max-width: 780px;
  margin: 0 auto;
}
.pk-kicker {
  display: inline-block;
  margin: 0 0 10px;
  padding: 3px 10px;
  border-radius: 6px;
  background: #eaf3fe;
  color: #0073ec;
  font-size: 12.5px;
  font-weight: 700;
}
.pk-article h1 {
  margin: 0 0 14px;
  font-size: clamp(1.6rem, 1.15rem + 1.5vw, 2.3rem);
  font-weight: 800;
  line-height: 1.6;
  color: #0f172a;
}
.pk-lead {
  margin: 0 0 16px;
  font-size: 17.5px;
  line-height: 2;
  color: #475569;
}
.pk-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  padding-bottom: 18px;
  border-bottom: 1px solid #e7ecf3;
  font-size: 13px;
  color: #64748b;
}

.pk-toc {
  margin: 24px 0 8px;
  padding: 16px 20px;
  border: 1px solid #e7ecf3;
  border-radius: 12px;
  background: #f7f9fc;
}
.pk-toc p {
  margin: 0 0 8px;
  font-weight: 700;
  color: #0f172a;
}
.pk-toc ol {
  margin: 0;
  padding-inline-start: 20px;
}
.pk-toc li {
  margin: 4px 0;
  line-height: 1.8;
}
.pk-toc a {
  color: #334155;
}
.pk-toc a:hover {
  color: #0073ec;
}

.pk-body {
  font-size: 16.5px;
  line-height: 2.1;
  color: #334155;
}
.pk-body h2 {
  margin: 42px 0 12px;
  font-size: 22px;
  font-weight: 800;
  line-height: 1.7;
  color: #0f172a;
  scroll-margin-top: 90px;
}
.pk-body h3 {
  margin: 28px 0 10px;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.7;
  color: #0f172a;
}
.pk-body p {
  margin: 0 0 16px;
  color: #334155;
}
.pk-body ul,
.pk-body ol {
  margin: 0 0 18px;
  padding-inline-start: 22px;
}
.pk-body li {
  margin-bottom: 6px;
}
.pk-body a {
  color: #0073ec;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.pk-body strong {
  color: #0f172a;
}
.pk-body code {
  direction: ltr;
  unicode-bidi: embed;
  padding: 1px 6px;
  border-radius: 5px;
  background: #f1f5f9;
  color: #0f172a;
  font-family: ui-monospace, Consolas, monospace;
  font-size: 0.88em;
}
.pk-body pre {
  direction: ltr;
  margin: 0 0 20px;
  padding: 16px 18px;
  overflow-x: auto;
  border-radius: 10px;
  background: #0f172a;
  color: #e2e8f0;
  font-size: 13.5px;
  line-height: 1.75;
  text-align: left;
}
.pk-body pre code {
  padding: 0;
  background: none;
  color: inherit;
  font-size: inherit;
}
.pk-table {
  margin: 0 0 22px;
  overflow-x: auto;
}
.pk-table table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14.5px;
  line-height: 1.8;
}
.pk-table th,
.pk-table td {
  padding: 10px 12px;
  border: 1px solid #e2e8f0;
  text-align: right;
  vertical-align: top;
}
.pk-table th {
  background: #f7f9fc;
  color: #0f172a;
  font-weight: 700;
}
.pk-callout {
  margin: 0 0 20px;
  padding: 14px 18px;
  border-inline-start: 4px solid #0073ec;
  border-radius: 8px;
  background: #eef5ff;
}
.pk-callout p {
  margin: 0;
}

.pk-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin: 44px 0 10px;
  padding: 24px 26px;
  border-radius: 14px;
  background: linear-gradient(135deg, #0b5fd0 0%, #4a2fb8 100%);
  color: #ffffff;
}
.pk-cta p {
  margin: 0;
  color: rgba(255, 255, 255, 0.9);
}
.pk-cta .pk-cta__title {
  margin: 0 0 6px;
  font-size: 19px;
  font-weight: 800;
  color: #ffffff;
}
.pk-cta a {
  flex-shrink: 0;
  padding: 10px 20px;
  border-radius: 10px;
  background: #ffffff;
  color: #0b5fd0;
  font-weight: 700;
  white-space: nowrap;
}
.pk-cta a:hover {
  background: #eaf3fe;
  color: #0b5fd0;
  text-decoration: none;
}

.pk-related,
.pk-bloglist {
  max-width: 1040px;
  margin: 56px auto 0;
}
.pk-related > h2,
.pk-bloglist > h2 {
  margin: 0 0 18px;
  font-size: 20px;
  font-weight: 800;
  color: #0f172a;
}
.pk-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}
.pk-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px;
  border: 1px solid #e7ecf3;
  border-radius: 14px;
  background: #ffffff;
  color: #334155;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}
.pk-card:hover {
  border-color: #cfe0f7;
  box-shadow: 0 14px 34px rgba(15, 45, 90, 0.08);
  transform: translateY(-3px);
  text-decoration: none;
  color: #334155;
}
.pk-card span {
  font-size: 12px;
  font-weight: 700;
  color: #0073ec;
}
.pk-card strong {
  font-size: 16px;
  line-height: 1.8;
  color: #0f172a;
}
.pk-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.9;
  color: #64748b;
}
.pk-card small {
  margin-top: auto;
  color: #94a3b8;
}

.pk-blog-intro {
  max-width: 780px;
  margin: 0 auto;
  text-align: center;
}
.pk-blog-intro h1 {
  margin: 0 0 12px;
  font-size: clamp(1.7rem, 1.2rem + 1.5vw, 2.4rem);
  font-weight: 800;
  color: #0f172a;
}
.pk-blog-intro p {
  margin: 0;
  text-wrap: balance;
  font-size: 17px;
  line-height: 2;
  color: #475569;
}