:root {
  --kkset-blog-navy: #071d49;
  --kkset-blog-blue: #0b56f0;
  --kkset-blog-blue-dark: #0645c3;
  --kkset-blog-ink: #10233f;
  --kkset-blog-muted: #65728a;
  --kkset-blog-line: #e2e9f3;
  --kkset-blog-soft: #f5f8fd;
  --kkset-blog-white: #ffffff;
  --kkset-blog-green: #17a765;
  --kkset-blog-radius: 22px;
  --kkset-blog-shadow: 0 20px 60px rgba(7, 29, 73, .11);
}

body.kkset-blog-system-page {
  background: #fff;
  color: var(--kkset-blog-ink);
}

body.kkset-blog-system-page .hero-section,
body.kkset-blog-system-page .entry-header,
body.kkset-blog-system-page .page-title {
  display: none !important;
}

.kkset-blog-main {
  width: 100%;
  overflow: clip;
  background: #fff;
}

.kkset-blog-wrap {
  width: min(1220px, calc(100% - 40px));
  margin-inline: auto;
}

.kkset-blog-breadcrumb {
  min-height: 58px;
  display: flex;
  align-items: center;
  gap: 9px;
  overflow: hidden;
  color: #718099;
  font-size: 13px;
  white-space: nowrap;
}

.kkset-blog-breadcrumb a {
  color: #53627a;
  text-decoration: none;
}

.kkset-blog-breadcrumb a:hover { color: var(--kkset-blog-blue); }
.kkset-blog-breadcrumb span[aria-current="page"] { overflow: hidden; text-overflow: ellipsis; }

.kkset-blog-hero {
  position: relative;
  border-block: 1px solid var(--kkset-blog-line);
  background:
    radial-gradient(circle at 86% 10%, rgba(11, 86, 240, .11), transparent 30%),
    linear-gradient(180deg, #f8fbff 0%, #f3f7fd 100%);
}

.kkset-blog-hero-grid {
  min-height: 520px;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(380px, .95fr);
  align-items: center;
  gap: 70px;
  padding-block: 68px;
}

.kkset-blog-hero-grid.no-image {
  grid-template-columns: minmax(0, 900px);
  justify-content: center;
  min-height: 430px;
  text-align: center;
}

.kkset-blog-hero-copy { min-width: 0; }

.kkset-blog-eyebrow {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 6px 12px;
  border-radius: 999px;
  color: var(--kkset-blog-blue);
  background: #e8f0ff;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: .11em;
  text-decoration: none;
  text-transform: uppercase;
}

.kkset-blog-hero h1 {
  max-width: 760px;
  margin: 22px 0 20px;
  color: var(--kkset-blog-navy);
  font-size: clamp(42px, 5.4vw, 72px);
  font-weight: 900;
  letter-spacing: -.055em;
  line-height: 1.02;
  text-wrap: balance;
}

.kkset-blog-hero-grid.no-image h1 { margin-inline: auto; }

.kkset-blog-summary {
  max-width: 720px;
  margin: 0;
  color: #53647f;
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.65;
}

.kkset-blog-hero-grid.no-image .kkset-blog-summary { margin-inline: auto; }

.kkset-blog-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin-top: 30px;
  color: #63718a;
  font-size: 13px;
  font-weight: 700;
}

.kkset-blog-meta span {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.kkset-blog-meta span::before {
  width: 7px;
  height: 7px;
  border: 2px solid var(--kkset-blog-blue);
  border-radius: 50%;
  content: "";
}

.kkset-blog-hero-grid.no-image .kkset-blog-meta { justify-content: center; }

.kkset-blog-hero-image {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 8px solid rgba(255, 255, 255, .86);
  border-radius: 28px;
  box-shadow: 0 28px 80px rgba(7, 29, 73, .18);
  aspect-ratio: 4 / 3;
  background: #e8eef8;
}

.kkset-blog-hero-image::after {
  position: absolute;
  inset: 0;
  border: 1px solid rgba(7, 29, 73, .06);
  border-radius: 20px;
  content: "";
  pointer-events: none;
}

.kkset-blog-hero-image img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.kkset-blog-layout {
  display: grid;
  grid-template-columns: 240px minmax(0, 840px);
  justify-content: center;
  align-items: start;
  gap: 66px;
  padding-block: 72px 20px;
}

.kkset-blog-layout.no-toc { grid-template-columns: minmax(0, 900px); }

.kkset-blog-toc {
  position: sticky;
  top: 120px;
  overflow: hidden;
  border: 1px solid var(--kkset-blog-line);
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 12px 34px rgba(7, 29, 73, .06);
}

.kkset-blog-toc-toggle {
  width: 100%;
  min-height: 54px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 18px;
  border: 0;
  border-bottom: 1px solid var(--kkset-blog-line);
  color: var(--kkset-blog-navy);
  background: #f8faff;
  font-size: 13px;
  font-weight: 900;
  letter-spacing: .04em;
  cursor: pointer;
}

.kkset-blog-toc ol {
  max-height: calc(100vh - 240px);
  margin: 0;
  padding: 14px 18px 18px;
  overflow: auto;
  list-style: none;
}

.kkset-blog-toc li { margin: 0; }
.kkset-blog-toc li.level-3 { padding-left: 13px; }

.kkset-blog-toc a {
  display: block;
  padding: 8px 0;
  border-left: 2px solid transparent;
  color: #5e6c83;
  font-size: 12px;
  font-weight: 700;
  line-height: 1.45;
  text-decoration: none;
}

.kkset-blog-toc a:hover,
.kkset-blog-toc a.is-active {
  color: var(--kkset-blog-blue);
}

.kkset-blog-toc a.is-active {
  margin-left: -18px;
  padding-left: 16px;
  border-left-color: var(--kkset-blog-blue);
  background: linear-gradient(90deg, #eef4ff, transparent);
}

.kkset-blog-article { min-width: 0; }

.kkset-blog-content {
  color: #253a57;
  font-size: 18px;
  line-height: 1.86;
}

.kkset-blog-content > :first-child { margin-top: 0; }

.kkset-blog-content p,
.kkset-blog-content ul,
.kkset-blog-content ol,
.kkset-blog-content blockquote,
.kkset-blog-content table,
.kkset-blog-content figure {
  margin-block: 0 1.55em;
}

.kkset-blog-content h2,
.kkset-blog-content h3 {
  scroll-margin-top: 130px;
  color: var(--kkset-blog-navy);
  font-weight: 900;
  letter-spacing: -.035em;
  line-height: 1.16;
  text-wrap: balance;
}

.kkset-blog-content h2 {
  margin: 2.3em 0 .7em;
  padding-top: .3em;
  font-size: clamp(32px, 4vw, 46px);
}

.kkset-blog-content h3 {
  margin: 1.9em 0 .65em;
  font-size: clamp(24px, 3vw, 31px);
}

.kkset-blog-content a {
  color: var(--kkset-blog-blue);
  font-weight: 700;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.kkset-blog-content strong { color: #102847; }

.kkset-blog-content ul,
.kkset-blog-content ol { padding-left: 1.35em; }
.kkset-blog-content li { margin: .42em 0; padding-left: .25em; }
.kkset-blog-content li::marker { color: var(--kkset-blog-blue); font-weight: 900; }

.kkset-blog-content blockquote {
  padding: 22px 26px;
  border: 0;
  border-left: 4px solid var(--kkset-blog-blue);
  border-radius: 0 16px 16px 0;
  color: #304967;
  background: #f2f7ff;
  font-size: 19px;
}

.kkset-blog-content img {
  max-width: 100%;
  height: auto;
  border-radius: 18px;
}

.kkset-blog-content table {
  width: 100%;
  overflow: hidden;
  border: 1px solid var(--kkset-blog-line);
  border-collapse: separate;
  border-spacing: 0;
  border-radius: 14px;
  font-size: 15px;
}

.kkset-blog-content th,
.kkset-blog-content td { padding: 13px 15px; border: 0; border-bottom: 1px solid var(--kkset-blog-line); text-align: left; }
.kkset-blog-content th { color: #fff; background: var(--kkset-blog-navy); }
.kkset-blog-content tr:last-child td { border-bottom: 0; }

.kkset-blog-section { margin-top: 78px; }

.kkset-blog-section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 28px;
}

.kkset-blog-section-head span,
.kkset-blog-cta > div > span {
  display: block;
  margin-bottom: 8px;
  color: var(--kkset-blog-blue);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: .14em;
}

.kkset-blog-section-head h2,
.kkset-blog-cta h2 {
  margin: 0;
  color: var(--kkset-blog-navy);
  font-size: clamp(30px, 4vw, 44px);
  font-weight: 900;
  letter-spacing: -.04em;
  line-height: 1.1;
}

.kkset-blog-section-head > a {
  flex: 0 0 auto;
  color: var(--kkset-blog-blue);
  font-size: 13px;
  font-weight: 800;
  text-decoration: none;
}

.kkset-blog-product-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.kkset-blog-product-card {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--kkset-blog-line);
  border-radius: 18px;
  background: #fff;
  transition: transform .2s ease, box-shadow .2s ease;
}

.kkset-blog-product-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 44px rgba(7, 29, 73, .12);
}

.kkset-blog-product-image {
  display: block;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: #f4f6fa;
}

.kkset-blog-product-image img {
  width: 100%;
  height: 100%;
  display: block;
  margin: 0;
  object-fit: cover;
  transition: transform .3s ease;
}

.kkset-blog-product-card:hover .kkset-blog-product-image img { transform: scale(1.035); }

.kkset-blog-product-copy { padding: 16px; }
.kkset-blog-product-copy h3 { min-height: 3.1em; margin: 0 0 10px; font-size: 15px; line-height: 1.5; }
.kkset-blog-product-copy h3 a { color: var(--kkset-blog-ink); text-decoration: none; }
.kkset-blog-product-price { min-height: 25px; color: var(--kkset-blog-navy); font-size: 15px; font-weight: 900; }
.kkset-blog-product-price del { color: #8a95a8; font-weight: 600; }
.kkset-blog-product-price ins { text-decoration: none; }

.kkset-blog-product-link {
  width: 100%;
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 13px;
  border-radius: 10px;
  color: #fff;
  background: var(--kkset-blog-blue);
  font-size: 12px;
  font-weight: 900;
  text-decoration: none;
}

.kkset-blog-product-link:hover { color: #fff; background: var(--kkset-blog-blue-dark); }

.kkset-blog-cta {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 38px;
  margin-top: 78px;
  padding: 42px;
  overflow: hidden;
  border-radius: 24px;
  color: #fff;
  background:
    radial-gradient(circle at 86% 20%, rgba(57, 122, 255, .72), transparent 28%),
    linear-gradient(140deg, #071d49 0%, #0b3e9a 100%);
  box-shadow: var(--kkset-blog-shadow);
}

.kkset-blog-cta::after {
  position: absolute;
  right: -70px;
  bottom: -100px;
  width: 250px;
  height: 250px;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 50%;
  content: "";
}

.kkset-blog-cta > * { position: relative; z-index: 1; }
.kkset-blog-cta > div > span { color: #9fc0ff; }
.kkset-blog-cta h2 { color: #fff; }
.kkset-blog-cta p { max-width: 610px; margin: 15px 0 0; color: #d5e3ff; line-height: 1.7; }

.kkset-blog-cta > a {
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 22px;
  border-radius: 999px;
  color: #fff;
  background: var(--kkset-blog-green);
  font-size: 13px;
  font-weight: 900;
  text-decoration: none;
  white-space: nowrap;
  box-shadow: 0 14px 30px rgba(0, 0, 0, .16);
}

.kkset-blog-guide-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.kkset-blog-guide-card {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  align-items: center;
  gap: 18px;
  padding: 14px;
  border: 1px solid var(--kkset-blog-line);
  border-radius: 18px;
  background: #fff;
}

.kkset-blog-guide-image {
  aspect-ratio: 4 / 3;
  display: grid;
  place-items: center;
  overflow: hidden;
  border-radius: 12px;
  color: #7990b3;
  background: linear-gradient(135deg, #eef4ff, #e1eafa);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: .12em;
  text-decoration: none;
}

.kkset-blog-guide-image img { width: 100%; height: 100%; display: block; object-fit: cover; }
.kkset-blog-guide-card > div > span { color: #758198; font-size: 11px; font-weight: 700; }
.kkset-blog-guide-card h3 { margin: 7px 0 0; font-size: 17px; line-height: 1.35; }
.kkset-blog-guide-card h3 a { color: var(--kkset-blog-navy); text-decoration: none; }
.kkset-blog-guide-card h3 a:hover { color: var(--kkset-blog-blue); }

.kkset-blog-link-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.kkset-blog-link-grid a {
  min-height: 92px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 20px 22px;
  border: 1px solid #dce5f4;
  border-radius: 16px;
  color: var(--kkset-blog-navy);
  background: #f8faff;
  text-decoration: none;
}

.kkset-blog-link-grid span { font-size: 17px; font-weight: 900; }
.kkset-blog-link-grid strong { color: var(--kkset-blog-blue); font-size: 12px; white-space: nowrap; }
.kkset-blog-link-grid a:hover { border-color: #a9c4f8; background: #eef4ff; }

.kkset-blog-faq-list {
  overflow: hidden;
  border: 1px solid var(--kkset-blog-line);
  border-radius: 18px;
}

.kkset-blog-faq details { border-bottom: 1px solid var(--kkset-blog-line); background: #fff; }
.kkset-blog-faq details:last-child { border-bottom: 0; }

.kkset-blog-faq summary {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 22px;
  color: var(--kkset-blog-navy);
  font-size: 17px;
  font-weight: 850;
  cursor: pointer;
  list-style: none;
}

.kkset-blog-faq summary::-webkit-details-marker { display: none; }
.kkset-blog-faq summary span { color: var(--kkset-blog-blue); font-size: 24px; transition: transform .2s ease; }
.kkset-blog-faq details[open] summary span { transform: rotate(45deg); }
.kkset-blog-faq details > div { padding: 0 22px 22px; color: #52647d; line-height: 1.75; }
.kkset-blog-faq details > div p:last-child { margin-bottom: 0; }

.kkset-blog-article-footer {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 70px;
  padding-top: 28px;
  border-top: 1px solid var(--kkset-blog-line);
}

.kkset-blog-article-footer div { padding: 18px; border-radius: 14px; background: var(--kkset-blog-soft); }
.kkset-blog-article-footer span { display: block; margin-bottom: 7px; color: #748198; font-size: 10px; font-weight: 900; letter-spacing: .1em; text-transform: uppercase; }
.kkset-blog-article-footer a { color: var(--kkset-blog-navy); font-size: 13px; font-weight: 900; text-decoration: none; }
.kkset-blog-article-footer a:hover { color: var(--kkset-blog-blue); }

@media (max-width: 1060px) {
  .kkset-blog-hero-grid { grid-template-columns: minmax(0, 1fr) minmax(340px, .8fr); gap: 40px; }
  .kkset-blog-layout { grid-template-columns: 210px minmax(0, 1fr); gap: 38px; }
  .kkset-blog-product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .kkset-blog-product-copy h3 { min-height: 0; }
}

@media (max-width: 820px) {
  .kkset-blog-wrap { width: min(100% - 28px, 1220px); }
  .kkset-blog-hero-grid { min-height: 0; grid-template-columns: 1fr; gap: 34px; padding-block: 48px; }
  .kkset-blog-hero-copy { text-align: center; }
  .kkset-blog-hero h1,
  .kkset-blog-summary { margin-inline: auto; }
  .kkset-blog-meta { justify-content: center; }
  .kkset-blog-hero-image { width: min(620px, 100%); margin-inline: auto; }

  .kkset-blog-layout { display: block; padding-top: 42px; }
  .kkset-blog-toc { position: static; margin-bottom: 38px; }
  .kkset-blog-toc ol { max-height: 360px; }
  .kkset-blog-toc.is-collapsed ol { display: none; }
  .kkset-blog-toc.is-collapsed .kkset-blog-toc-toggle { border-bottom: 0; }
  .kkset-blog-toc-toggle span:last-child { transition: transform .2s ease; }
  .kkset-blog-toc:not(.is-collapsed) .kkset-blog-toc-toggle span:last-child { transform: rotate(180deg); }

  .kkset-blog-cta { grid-template-columns: 1fr; align-items: start; }
  .kkset-blog-cta > a { justify-self: start; }
  .kkset-blog-guide-grid { grid-template-columns: 1fr; }
}

@media (max-width: 620px) {
  .kkset-blog-breadcrumb { min-height: 48px; font-size: 11px; }
  .kkset-blog-hero-grid { padding-block: 38px; }
  .kkset-blog-hero h1 { margin-top: 17px; font-size: clamp(37px, 12vw, 52px); }
  .kkset-blog-summary { font-size: 17px; }
  .kkset-blog-meta { gap: 9px 15px; margin-top: 24px; font-size: 11px; }
  .kkset-blog-hero-image { border-width: 5px; border-radius: 20px; }

  .kkset-blog-content { font-size: 16.5px; line-height: 1.82; }
  .kkset-blog-content h2 { font-size: 31px; }
  .kkset-blog-content h3 { font-size: 24px; }
  .kkset-blog-content table { display: block; overflow-x: auto; white-space: nowrap; }
  .kkset-blog-section { margin-top: 58px; }
  .kkset-blog-section-head { align-items: start; flex-direction: column; gap: 12px; }
  .kkset-blog-section-head h2,
  .kkset-blog-cta h2 { font-size: 31px; }
  .kkset-blog-product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .kkset-blog-product-copy { padding: 12px; }
  .kkset-blog-product-copy h3 { font-size: 13px; }
  .kkset-blog-product-link { font-size: 11px; }

  .kkset-blog-cta { margin-top: 58px; padding: 30px 24px; border-radius: 19px; }
  .kkset-blog-cta > a { width: 100%; }
  .kkset-blog-guide-card { grid-template-columns: 110px minmax(0, 1fr); gap: 13px; }
  .kkset-blog-guide-card h3 { font-size: 15px; }
  .kkset-blog-link-grid { grid-template-columns: 1fr; }
  .kkset-blog-faq summary { padding: 17px; font-size: 15px; }
  .kkset-blog-faq details > div { padding: 0 17px 18px; }
  .kkset-blog-article-footer { grid-template-columns: 1fr; }
}

@media print {
  .kkset-blog-toc,
  .kkset-blog-products,
  .kkset-blog-cta,
  .kkset-blog-guides,
  .kkset-blog-category-links,
  .kkset-blog-article-footer { display: none !important; }
  .kkset-blog-layout { display: block; }
  .kkset-blog-hero { background: #fff; }
  .kkset-blog-hero-grid { min-height: 0; grid-template-columns: 1fr; padding-block: 30px; }
  .kkset-blog-hero-image { max-width: 500px; }
}
