:root {
  --ink: #172033;
  --muted: #5d687a;
  --line: #d8e1ea;
  --paper: #ffffff;
  --soft: #f5f8fb;
  --teal: #0f766e;
  --focus: #b45309;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  color: var(--ink);
  background: var(--paper);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans KR", Arial, sans-serif;
  line-height: 1.7;
}

a {
  color: inherit;
}

.wrap {
  width: min(1040px, calc(100% - 40px));
  margin: 0 auto;
}

.article-wrap {
  width: min(920px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.97);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 18px;
  font-weight: 800;
  text-decoration: none;
}

.brand img {
  width: 40px;
  height: 40px;
  border-radius: 8px;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 16px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.nav-links a {
  text-decoration: none;
}

.blog-hero,
.article-hero {
  color: #ffffff;
  background: #172033;
}

.blog-hero {
  padding: 74px 0 66px;
}

.article-hero {
  padding: 64px 0 58px;
}

.blog-hero h1,
.article-hero h1 {
  margin: 0;
  max-width: 850px;
  font-size: 46px;
  line-height: 1.2;
  letter-spacing: 0;
}

.blog-hero > .wrap > p:last-child,
.article-intro {
  max-width: 760px;
  margin: 20px 0 0;
  color: rgba(255, 255, 255, 0.84);
  font-size: 19px;
}

.breadcrumb,
.category-label,
.article-meta,
.post-meta {
  font-size: 14px;
  font-weight: 800;
}

.breadcrumb {
  margin: 0 0 22px;
  color: rgba(255, 255, 255, 0.7);
}

.breadcrumb a {
  text-decoration: none;
}

.category-label {
  margin: 0 0 12px;
  color: #99f6e4;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin-top: 24px;
  color: rgba(255, 255, 255, 0.68);
}

.blog-list {
  padding: 56px 0 72px;
}

.post-row {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 28px;
  align-items: center;
  border-bottom: 1px solid var(--line);
  padding: 28px 0;
}

.post-row:first-child {
  padding-top: 0;
}

.post-row img {
  display: block;
  width: 180px;
  height: 220px;
  border: 1px solid var(--line);
  border-radius: 8px;
  object-fit: cover;
  object-position: top;
  background: var(--soft);
}

.post-row h2 {
  margin: 5px 0 10px;
  font-size: 27px;
  line-height: 1.3;
  letter-spacing: 0;
}

.post-row h2 a,
.read-link {
  text-decoration: none;
}

.post-row p:not(.post-meta) {
  margin: 0;
  color: var(--muted);
}

.post-meta {
  margin: 0;
  color: var(--teal);
}

.read-link {
  display: inline-block;
  margin-top: 13px;
  color: var(--teal);
  font-weight: 800;
}

.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 260px;
  gap: 46px;
  align-items: start;
  padding-top: 48px;
  padding-bottom: 72px;
}

.article-body {
  min-width: 0;
}

.article-section {
  padding: 12px 0 30px;
}

.article-section h2,
.limit-panel h2 {
  margin: 0 0 14px;
  font-size: 29px;
  line-height: 1.28;
  letter-spacing: 0;
}

.article-section p {
  margin: 0 0 16px;
  color: #394458;
}

.article-list,
.article-steps,
.limit-panel ul,
.related-list {
  margin: 16px 0 0;
  padding-left: 23px;
}

.article-list li,
.article-steps li,
.limit-panel li,
.related-list li {
  margin: 9px 0;
}

.article-steps li::marker {
  color: var(--teal);
  font-weight: 800;
}

.evidence-figure {
  position: sticky;
  top: 24px;
  margin: 12px 0 0;
}

.evidence-figure img {
  display: block;
  width: 100%;
  max-height: 560px;
  border: 1px solid var(--line);
  border-radius: 8px;
  object-fit: cover;
  object-position: top;
  background: var(--soft);
  box-shadow: 0 14px 30px rgba(23, 32, 51, 0.12);
}

.evidence-figure p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.limit-panel {
  border-left: 4px solid var(--focus);
  margin: 10px 0 30px;
  padding: 20px 22px;
  background: #fff8eb;
  color: #5f451d;
}

.limit-panel h2 {
  font-size: 23px;
}

.related-list a {
  color: var(--teal);
  font-weight: 700;
}

.store-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  border-top: 1px solid var(--line);
  padding-top: 26px;
}

.store-actions a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border-radius: 6px;
  padding: 0 17px;
  color: #ffffff;
  background: var(--teal);
  font-weight: 800;
  text-decoration: none;
}

.footer {
  border-top: 1px solid var(--line);
  padding: 22px 0;
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}

.footer a {
  color: var(--muted);
  text-decoration: none;
}

@media (max-width: 800px) {
  .article-layout {
    grid-template-columns: 1fr;
  }

  .evidence-figure {
    position: static;
    max-width: 320px;
  }
}

@media (max-width: 600px) {
  .wrap,
  .article-wrap {
    width: min(100% - 28px, 1040px);
  }

  .nav {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-links {
    justify-content: flex-start;
  }

  .blog-hero,
  .article-hero {
    padding: 48px 0 44px;
  }

  .blog-hero h1,
  .article-hero h1 {
    font-size: 34px;
  }

  .post-row {
    grid-template-columns: 94px minmax(0, 1fr);
    gap: 15px;
    align-items: start;
  }

  .post-row img {
    width: 94px;
    height: 132px;
  }

  .post-row h2 {
    font-size: 21px;
  }

  .post-row p:not(.post-meta) {
    display: none;
  }

  .article-layout {
    gap: 28px;
    padding-top: 30px;
    padding-bottom: 52px;
  }

  .article-section h2 {
    font-size: 25px;
  }
}