.learning-shell { max-width: 1080px; padding-block: 1.5rem 4rem; }
.learning-breadcrumb ol { display: flex; flex-wrap: wrap; gap: .5rem; list-style: none; padding: 0; margin: 0 0 2rem; font-size: .9rem; }
.learning-breadcrumb li + li::before { content: "/"; margin-right: .5rem; color: #64748b; }
.learning-heading { max-width: 780px; margin-bottom: 2rem; }
.learning-kicker { color: #475569; font-weight: 650; font-size: .9rem; }
.learning-heading h1 { font-size: clamp(2rem, 4vw, 3rem); line-height: 1.18; margin: .5rem 0 1.25rem; }
.learning-intro { font-size: 1.15rem; line-height: 1.75; }
.learning-meta { font-size: .9rem; color: #475569; }
.learning-card-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.25rem; }
.learning-card { padding: 1.5rem; }
.learning-card h3 { font-size: 1.2rem; line-height: 1.45; margin: 0 0 1rem; }
.learning-main p, .learning-main li { line-height: 1.75; }
.learning-main a { color: #135b82; text-decoration: underline; text-underline-offset: .18em; overflow-wrap: anywhere; }
.learning-main a:hover { color: #0c405d; }
.learning-main a:focus-visible { outline: 3px solid #135b82; outline-offset: 4px; }
.learning-article { max-width: 800px; }
.learning-contents { border-left: 4px solid #135b82; background: #f1f6fa; border-radius: 0 .5rem .5rem 0; padding: 1rem 1.5rem; margin-bottom: 2.5rem; }
.learning-contents h2 { font-size: 1.1rem; margin: 0 0 .75rem; }
.learning-contents ul { margin: 0; padding-left: 1.25rem; }
.learning-body section { margin-block: 2.5rem; scroll-margin-top: 6rem; }
.learning-body h2 { font-size: 1.5rem; line-height: 1.4; margin-bottom: 1rem; }
.learning-body li { margin-bottom: .6rem; }
.learning-note { padding: 1rem 1.25rem; border-left: 4px solid #135b82; background: #f1f6fa; }
.learning-body figure { margin: 1.5rem 0; }
.learning-body figure img { width: 100%; max-width: 760px; height: auto; display: block; border: 1px solid #d1dde6; border-radius: .5rem; background: #fff; }
.learning-body figcaption { font-size: .9rem; color: #475569; margin-top: .75rem; }
.learning-next { margin-top: 3rem; max-width: 800px; padding: 1.5rem; border: 1px solid #d1dde6; border-radius: .75rem; }
.learning-next h2 { font-size: 1.4rem; margin-top: 0; }
.learning-tool-link { font-weight: 650; }
@media (max-width: 760px) {
  .learning-card-grid { grid-template-columns: 1fr; }
  .learning-shell { padding-block: 1rem 2.5rem; }
  .learning-contents, .learning-next { padding: 1rem; }
}