/* 가이드·칼럼 (2026-10-28) — bp.css 위에 */
.lrn { max-width: 1080px; margin: 0 auto; padding: 120px 20px 80px; }
.lrn__hero { display: grid; gap: 14px; margin-bottom: 32px; }
.lrn__cats { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.lrn__cats button { border: 0; padding: 9px 16px; border-radius: 999px; background: var(--surface-2); font: inherit; font-size: 14px; font-weight: 600; color: var(--ink-2); cursor: pointer; }
.lrn__cats button.on { background: var(--primary); color: var(--primary-ink); }
.lrn__list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.lrn__card { --u: 1.1px; display: grid; gap: 10px; align-content: start; padding: 22px; border-radius: 24px; text-decoration: none; color: inherit; transition: transform .15s; }
.lrn__card:hover { transform: translateY(-2px); }
.lrn__card .apill { justify-self: start; }
.lrn__card b { font-size: 18px; line-height: 1.4; letter-spacing: -0.02em; color: var(--ink); }
.lrn__card p { margin: 0; font-size: 14.5px; line-height: 1.6; color: var(--muted); }
.lrn__meta { font-size: 13px; color: var(--muted); }
.lrn__relh { grid-column: 1 / -1; font-size: 20px; margin: 40px 0 0; }
.art { max-width: 720px; margin: 0 auto; display: grid; gap: 14px; }
.art__crumb { font-size: 13.5px; color: var(--muted); }
.art__crumb a { color: var(--primary); text-decoration: none; }
.art__h { font-size: clamp(28px, 4vw, 42px); }
.art__toc { --u: 1.1px; padding: 18px 18px 18px 38px; border-radius: 20px; margin: 8px 0; display: grid; gap: 6px; font-size: 15px; }
.art__toc a { color: var(--ink-2); text-decoration: none; }
.art__body { font-size: 17px; line-height: 1.8; color: var(--ink-2); }
.art__body h2 { font-size: 24px; margin: 36px 0 10px; color: var(--ink); letter-spacing: -0.02em; scroll-margin-top: 90px; }
.art__note { font-size: 13px; color: var(--muted); border-top: 1px solid var(--surface-2); padding-top: 14px; }
.art__cta { --u: 1.1px; max-width: 720px; margin: 40px auto 0; padding: 24px; border-radius: 24px; display: grid; gap: 8px; justify-items: start; }
.art__cta span { color: var(--muted); font-size: 14.5px; }
@media (max-width: 900px) { .lrn__list { grid-template-columns: minmax(0, 1fr); } .lrn { padding-top: 96px; } }
.art__tldr { margin: 18px 0; padding: 16px 18px; display: grid; gap: 6px; border-left: 4px solid var(--brand, #2f5bff); }
.art__tldr b { font-size: 13px; letter-spacing: .02em; color: var(--brand, #2f5bff); }
.art__tldr p { margin: 0; font-size: 16px; line-height: 1.6; color: var(--ink); }