:root {
  color-scheme: light;
  --ink: #172126;
  --muted: #5b6870;
  --line: #d8e0e4;
  --surface: #ffffff;
  --band: #f3f7f6;
  --brand: #0f766e;
  --brand-dark: #0d4f4b;
  --accent: #d89b18;
  --soft: #edf6f3;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans KR", sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; background: #fff; color: var(--ink); line-height: 1.75; }
a { color: inherit; }
.skip-link { position: absolute; left: -999px; top: 0; background: var(--ink); color: #fff; padding: 8px 12px; z-index: 10; }
.skip-link:focus { left: 12px; top: 12px; }
.site-header { border-bottom: 1px solid var(--line); background: rgba(255,255,255,.96); position: sticky; top: 0; z-index: 5; }
.nav { max-width: 1160px; margin: 0 auto; padding: 14px 20px; display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; text-decoration: none; }
.brand-mark { width: 36px; height: 36px; border-radius: 8px; display: inline-grid; place-items: center; background: var(--brand); color: #fff; font-size: 14px; }
.nav-links { display: flex; align-items: center; gap: 18px; color: var(--muted); font-size: 15px; }
.nav-links a { text-decoration: none; }
.nav-links a:hover { color: var(--brand-dark); }
.hero { max-width: 1160px; margin: 0 auto; padding: 64px 20px 40px; display: grid; grid-template-columns: minmax(0, 1.02fr) minmax(320px, .98fr); gap: 42px; align-items: center; }
.hero h1, .page-title h1 { font-size: clamp(38px, 6vw, 66px); line-height: 1.06; margin: 10px 0 18px; letter-spacing: 0; }
.eyebrow { color: var(--brand); font-weight: 800; margin: 0; }
.lead { color: #34444d; font-size: 19px; max-width: 760px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 10px 16px; border-radius: 8px; text-decoration: none; font-weight: 800; border: 1px solid var(--line); }
.button.primary { background: var(--brand); color: #fff; border-color: var(--brand); }
.button.secondary { background: #fff; color: var(--ink); }
.button.product-button { width: 100%; margin-top: 16px; color: #fff; background: var(--brand-dark); border-color: var(--brand-dark); }
.button.secondary-product-button { color: var(--brand-dark); background: #fff; border-color: var(--brand-dark); }
.button.muted-button { color: var(--muted); background: #f5f7f7; border-color: var(--line); }
.hero-visual { margin: 0; }
.hero-visual img { width: 100%; height: auto; display: block; border-radius: 8px; border: 1px solid var(--line); box-shadow: 0 22px 55px rgba(15, 79, 75, .16); }
.affiliate-disclosure { margin: 18px 0 0; border: 1px solid #efd38c; background: #fff9e8; color: #604615; border-radius: 8px; padding: 12px 14px; font-size: 14px; }
.section-band { background: var(--band); border-block: 1px solid var(--line); padding: 44px 20px; }
.content-section, .page-title, .article-layout { max-width: 1040px; margin: 0 auto; padding: 48px 20px; }
.section-heading { max-width: 1040px; margin: 0 auto 22px; display: flex; justify-content: space-between; gap: 24px; align-items: end; }
.section-heading h2, .article-layout h2 { font-size: 28px; line-height: 1.25; margin: 0 0 8px; letter-spacing: 0; }
.section-heading p { margin: 0; color: var(--muted); }
.category-grid, .article-grid { max-width: 1040px; margin: 0 auto; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.article-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.product-grid { max-width: 1040px; margin: 0 auto; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.category-link, .article-card a { display: block; background: var(--surface); border: 1px solid var(--line); border-radius: 8px; padding: 20px; text-decoration: none; min-height: 160px; }
.category-link strong, .article-card h3 { display: block; font-size: 20px; line-height: 1.3; margin: 8px 0 10px; letter-spacing: 0; }
.category-link span, .article-card p { color: var(--muted); font-size: 15px; margin: 0; }
.product-card { background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 20px; min-height: 280px; display: flex; flex-direction: column; }
.product-card h3 { font-size: 21px; line-height: 1.3; margin: 12px 0 8px; letter-spacing: 0; }
.product-card p { color: var(--muted); margin: 0 0 10px; font-size: 15px; }
.product-card .product-title { color: var(--ink); font-weight: 800; }
.product-card-actions { margin-top: auto; display: grid; gap: 8px; }
.product-card-actions .button { margin-top: 0; }
.section-note { max-width: 1040px; margin: 18px auto 0; color: var(--muted); font-size: 14px; }
.principle-grid { max-width: 1040px; margin: 0 auto; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.principle-grid div, .candidate-box { background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 20px; }
.principle-grid strong { display: block; font-size: 18px; margin-bottom: 8px; }
.principle-grid span, .candidate-box p, .candidate-box li span { color: var(--muted); }
.candidate-box { max-width: 1040px; margin: 0 auto; }
.candidate-box ul { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; padding: 0; list-style: none; }
.candidate-box li { border-top: 1px solid var(--line); padding-top: 12px; }
.candidate-box li strong, .candidate-box li span { display: block; }
.pill { display: inline-flex; align-items: center; min-height: 28px; padding: 3px 9px; border-radius: 999px; color: var(--brand-dark); background: var(--soft); font-weight: 800; font-size: 13px; text-decoration: none; }
.article-header { border-bottom: 1px solid var(--line); padding-bottom: 26px; margin-bottom: 28px; }
.article-header h1 { font-size: clamp(34px, 5vw, 54px); line-height: 1.12; margin: 14px 0 16px; letter-spacing: 0; }
.meta { color: var(--muted); font-size: 14px; }
.breadcrumb { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; color: var(--muted); font-size: 14px; margin-bottom: 20px; }
.breadcrumb a { color: var(--brand-dark); text-decoration: none; font-weight: 700; }
.summary-box { border-left: 5px solid var(--brand); background: var(--soft); padding: 18px 20px; border-radius: 8px; }
.article-layout section { margin-bottom: 34px; }
.check-list { padding-left: 20px; }
.check-list li { margin: 8px 0; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 8px; }
table { width: 100%; border-collapse: collapse; background: #fff; min-width: 620px; }
th, td { text-align: left; vertical-align: top; padding: 14px 16px; border-bottom: 1px solid var(--line); }
th { background: #f7faf9; }
.comparison-table td:first-child { font-weight: 800; }
details { border: 1px solid var(--line); border-radius: 8px; padding: 14px 16px; background: #fff; margin: 10px 0; }
summary { cursor: pointer; font-weight: 800; }
.related { background: #fbfcfc; border: 1px solid var(--line); border-radius: 8px; padding: 20px; }
.related ul { margin-bottom: 0; }
.section-band-inline { background: var(--band); border: 1px solid var(--line); border-radius: 8px; padding: 22px; }
.section-band-inline .principle-grid { margin-top: 16px; }
.compact-heading { align-items: start; margin-bottom: 18px; }
.decision-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.decision-card { border: 1px solid var(--line); border-radius: 8px; padding: 20px; background: #fff; display: flex; flex-direction: column; gap: 10px; min-height: 250px; }
.decision-card h3 { font-size: 21px; line-height: 1.35; margin: 0; letter-spacing: 0; }
.decision-card p { margin: 0; color: var(--muted); }
.decision-card p strong { color: var(--ink); }
.decision-card .button { margin-top: auto; width: fit-content; }
.checklist-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.checklist-panel { background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 18px; }
.checklist-panel h3 { font-size: 18px; line-height: 1.35; margin: 0 0 12px; letter-spacing: 0; }
.check-item { display: grid; grid-template-columns: 20px minmax(0, 1fr); gap: 10px; align-items: start; padding: 10px 0; color: #34444d; border-top: 1px solid #eef2f2; }
.check-item:first-of-type { border-top: 0; }
.check-item input { width: 18px; height: 18px; margin: 4px 0 0; accent-color: var(--brand); }
.print-action { margin: 18px 0 0; }
.buyer-fit-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.buyer-fit-grid > div, .product-cta-panel { border: 1px solid var(--line); border-radius: 8px; padding: 20px; background: #fff; }
.product-cta-panel { background: #f8fbfa; }
.product-cta-panel .button { margin-top: 10px; }
.external-link-note { color: var(--muted); font-size: 14px; margin-bottom: 0; }
.simple-page { padding-top: 0; }
.site-footer { border-top: 1px solid var(--line); background: #101820; color: #eef4f4; padding: 28px 20px; display: flex; justify-content: space-between; gap: 24px; }
.site-footer > * { max-width: 560px; }
.site-footer p { color: #c9d4d6; margin: 6px 0 0; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 14px; align-content: start; }
.site-footer a { color: #eef4f4; text-decoration: none; }
@media (max-width: 860px) {
  .nav { align-items: flex-start; flex-direction: column; }
  .nav-links { flex-wrap: wrap; gap: 12px; }
  .hero { grid-template-columns: 1fr; padding-top: 38px; }
  .category-grid, .article-grid, .product-grid, .principle-grid, .candidate-box ul { grid-template-columns: 1fr 1fr; }
  .decision-grid, .checklist-grid { grid-template-columns: 1fr 1fr; }
  .buyer-fit-grid { grid-template-columns: 1fr; }
  .section-heading { display: block; }
  .site-footer { display: block; }
}
@media (max-width: 560px) {
  .category-grid, .article-grid, .product-grid, .principle-grid, .candidate-box ul { grid-template-columns: 1fr; }
  .decision-grid, .checklist-grid { grid-template-columns: 1fr; }
  .decision-card .button, .print-action .button { width: 100%; }
  .hero h1, .page-title h1 { font-size: 38px; }
  .lead { font-size: 17px; }
}
@media print {
  .site-header, .site-footer, .breadcrumb, .hero-actions, .print-action { display: none; }
  body { color: #111; }
  .article-layout { max-width: none; padding: 0; }
  .summary-box, .section-band-inline, .decision-card, .checklist-panel, .related { break-inside: avoid; box-shadow: none; }
}