/* Documentation A — 본문만 꾸민다. 공통 헤더·푸터는 site-chrome.css. */
.docs-library {
  --font-sans: 'Pretendard Variable', Pretendard, -apple-system, BlinkMacSystemFont, sans-serif;
  margin: 0;
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  --library-paper: #f5f2ec;
  --library-ink: #17334b;
  --library-muted: #566476;
  --library-navy: #294762;
  --library-clay: #b45137;
  --library-rule: #ddd9d0;
  background: var(--library-paper);
}
.docs-library *, .docs-library *::before, .docs-library *::after { box-sizing: border-box; }
.library-skip { position: fixed; left: 20px; top: -80px; z-index: 10000; padding: 12px 18px; background: #fff; color: #17334b; }
.library-skip:focus { top: 12px; }
/* 공통 헤더와 같은 화면 기준 여백. 내부 래퍼의 최대 폭으로 본문을 다시 좁히지 않는다. */
.library-width { width: 100%; padding-inline: clamp(22px, 5vw, 88px); }
.document-library { color: var(--library-ink); font-size: 16px; line-height: 1.65; }
.document-library h1, .document-library h2, .document-library h3 { font-family: var(--font-sans); font-style: normal; color: var(--library-ink); word-break: keep-all; }
.document-library a { color: inherit; text-decoration: none; }
.document-library a:hover { color: var(--library-clay); text-decoration: underline; text-underline-offset: 5px; }
.document-library a:focus-visible { outline: 2px solid var(--library-clay); outline-offset: 5px; border-radius: 2px; }
.library-hero { padding: 32px 0 16px; }
.library-hero-inner { display: grid; grid-template-columns: 1.08fr 1fr; align-items: center; gap: 18px; min-height: 405px; }
.library-hero-copy { position: relative; z-index: 1; padding-block: 25px; }
.library-eyebrow { margin: 0 0 18px; color: var(--library-clay); font-size: 12px; font-weight: 750; letter-spacing: .18em; }
.library-hero h1 { font-size: clamp(34px, 3.6vw, 54px); line-height: 1.2; letter-spacing: -.045em; font-weight: 750; margin: 0 0 24px; }
.library-lead { font-size: clamp(17px, 1.7vw, 24px); line-height: 1.5; font-weight: 600; letter-spacing: -.045em; margin: 0 0 12px; word-break: keep-all; }
.library-lead br { display: none; }
.library-intro { margin: 0; font-size: 16px; line-height: 1.8; color: var(--library-muted); }
.library-hero-art { margin: 0; }
.library-hero-art img { display: block; width: 100%; height: auto; mix-blend-mode: multiply; }
.library-guides { padding-block: 28px 56px; }
.library-section-heading { margin-bottom: 25px; }
.library-section-heading h2 { margin: 0 0 8px; font-size: clamp(27px, 2.7vw, 36px); line-height: 1.35; font-weight: 720; letter-spacing: -.04em; }
.library-section-heading > p { margin: 0; color: var(--library-muted); font-size: 16px; word-break: keep-all; }
.library-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.library-card { position: relative; display: flex; flex-direction: column; min-width: 0; padding: 26px 30px 0 42px; background: #ffffffb8; border: 1px solid var(--library-rule); border-radius: 4px; overflow: hidden; }
.library-card::before { content: ""; position: absolute; inset: 0 auto 0 0; width: 13px; background: var(--library-navy); }
.library-card-react::before { background: var(--library-clay); }
.library-product { margin: 0 0 5px; color: var(--library-navy); font-size: 13px; font-weight: 750; letter-spacing: .025em; }
.library-card-react .library-product { color: var(--library-clay); }
.library-card h3 { margin: 0 0 10px; font-size: clamp(21px, 2vw, 28px); line-height: 1.35; letter-spacing: -.035em; font-weight: 700; }
.library-card-description { margin: 0 0 18px; color: var(--library-muted); font-size: 15px; word-break: keep-all; }
.library-formats { display: flex; gap: 6px; margin-bottom: 22px; }
.library-formats span { display: inline-block; padding: 1px 7px; font-size: 11px; line-height: 1.5; letter-spacing: .06em; color: var(--library-muted); border: 1px solid #d6d7d5; border-radius: 2px; }
.library-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 0 25px; margin-top: auto; border-top: 1px solid var(--library-rule); }
.library-actions a { display: inline-flex; align-items: center; gap: 14px; min-height: 57px; font-size: 15px; font-weight: 650; }
.library-actions a + a { position: relative; padding-left: 25px; }
.library-actions a + a::before { content: ""; position: absolute; left: 0; top: 21px; height: 15px; width: 1px; background: var(--library-rule); }
.library-actions a span { font-size: 20px; font-weight: 400; }
.library-presentations { padding-block: 40px 45px; background: #eee7dd; border-top: 1px solid #e4ddd3; }
.library-downloads { display: grid; gap: 16px; }
.library-download { display: grid; grid-template-columns: 190px minmax(0, 1fr) 250px; align-items: center; gap: 30px; padding: 18px 30px; border: 1px solid #e0d9cf; border-radius: 4px; background: #fffcf6; }
.library-cover { position: relative; display: flex; flex-direction: column; justify-content: center; overflow: hidden; aspect-ratio: 1.65; padding: 15px 18px; border-radius: 2px; box-shadow: 3px 4px 7px #17334b18; }
.library-cover::after { content: ""; position: absolute; width: 145px; height: 145px; right: -63px; bottom: -85px; border: 1px solid currentColor; border-radius: 50%; opacity: .22; }
.library-cover-navy { background: #294762; color: #fff8eb; }
.library-cover-cream { background: #eee3d0; color: #9b5738; }
.library-cover strong { font-family: Georgia, serif; font-size: 19px; font-weight: 400; line-height: 1.15; }
.library-cover small { margin-top: 4px; font-size: 10px; opacity: .8; }
.library-cover > span { margin-top: 9px; font-size: 9px; }
.library-download-copy h3 { font-size: 22px; line-height: 1.4; font-weight: 700; letter-spacing: -.035em; margin: 0 0 7px; }
.library-download-copy h3 span { display: inline-block; font-size: .78em; font-weight: 500; }
.library-download-copy > p { margin: 0 0 10px; font-size: 14px; color: var(--library-muted); word-break: keep-all; }
.library-download-copy .library-formats { margin-bottom: 0; }
.library-download-link { display: flex; align-items: center; justify-content: center; gap: 18px; min-height: 56px; border-left: 1px solid var(--library-rule); font-size: 15px; font-weight: 650; }
.library-download-link span { font-size: 23px; font-weight: 400; }
.library-help { padding-block: 20px; background: #e9eef3; }
.library-help-inner { display: flex; align-items: center; gap: 25px; }
.library-help-icon { display: grid; place-items: center; width: 29px; height: 29px; border: 1px solid #718499; border-radius: 50%; font-size: 17px; }
.library-help p { margin: 0; font-size: 16px; font-weight: 600; }
.library-help a { padding-left: 25px; border-left: 1px solid #c4cdd4; font-size: 15px; font-weight: 650; }
.library-help a span { margin-left: 12px; }
@media (max-width: 1100px) {
  .library-hero-inner { min-height: 345px; }
  .library-hero h1 { font-size: 38px; }
  .library-download { grid-template-columns: 155px minmax(0, 1fr) 210px; gap: 22px; padding-inline: 22px; }
  .library-download-copy h3 { font-size: 20px; }
}
@media (max-width: 800px) {
  .library-hero-inner { grid-template-columns: 1fr; gap: 0; }
  .library-hero-copy { padding-block: 20px 0; }
  .library-hero-art { width: 75%; max-width: 520px; margin: -15px 0 0 auto; }
  .library-card { padding: 23px 20px 0 30px; }
  .library-card::before { width: 9px; }
  .library-actions { display: block; }
  .library-actions a { min-height: 48px; width: 100%; }
  .library-actions a + a { padding-left: 0; border-top: 1px solid var(--library-rule); }
  .library-actions a + a::before { display: none; }
  .library-download { grid-template-columns: 140px minmax(0, 1fr); gap: 12px 22px; }
  .library-cover { grid-row: span 2; }
  .library-download-link { grid-column: 2; justify-content: flex-start; border-left: 0; border-top: 1px solid var(--library-rule); min-height: 40px; padding-top: 8px; font-size: 14px; }
}
@media (max-width: 540px) {
  .library-hero { padding-top: 15px; }
  .library-hero h1 { font-size: clamp(29px, 7.5vw, 38px); margin-bottom: 20px; }
  .library-lead { font-size: 19px; }
  .library-lead br { display: initial; }
  .library-intro { font-size: 14px; }
  .library-hero-art { width: 100%; margin: 4px 0 0; }
  .library-guides { padding-block: 22px 35px; }
  .library-section-heading h2 { font-size: 27px; }
  .library-section-heading > p { font-size: 14px; }
  .library-grid { grid-template-columns: 1fr; gap: 16px; }
  .library-card h3 { font-size: 24px; }
  .library-actions { display: flex; gap: 0 18px; }
  .library-actions a { width: auto; font-size: 13px; gap: 10px; }
  .library-actions a + a { padding-left: 18px; border-top: 0; }
  .library-actions a + a::before { display: block; top: 17px; }
  .library-presentations { padding-block: 30px; }
  .library-download { grid-template-columns: 88px minmax(0, 1fr); gap: 14px; padding: 18px; }
  .library-cover { grid-row: auto; aspect-ratio: .8; padding: 10px; }
  .library-cover strong { font-size: 15px; }
  .library-cover small { font-size: 8px; }
  .library-download-copy h3 { font-size: 19px; }
  .library-download-copy > p { font-size: 13px; }
  .library-download-link { grid-column: 1 / -1; justify-content: space-between; }
  .library-help-inner { flex-wrap: wrap; gap: 12px; }
  .library-help p { font-size: 14px; }
  .library-help a { font-size: 14px; padding-left: 12px; }
  .library-help a span { margin-left: 5px; }
}