/* 독서환경연구소 — 서비스 안내 페이지 공용 (/library/ · /hanwoori/). 첫 화면(index.html)에 있던 설치 설명서를 옮겨 왔다 (2026-11-08 "홈페이지 정리") */
:root { --lab: #2F5D5A; --lab-ink: #FFFFFF; --lab-soft: #E3EEEC; }
.btn.lab { background: var(--lab); border-color: var(--lab); color: var(--lab-ink); }
.crumb { font-size: 14px; color: var(--sub); margin: 22px 0 0; }
.crumb a { text-decoration: none; color: var(--lab); font-weight: 700; }
.page-h { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin: 6px 0 22px; }
.page-h h1 { margin: 0 0 4px; font-size: 30px; }
.page-h .lead { margin: 0; }
.tag { display: inline-block; font-size: 12px; padding: 2px 9px; border-radius: 10px; background: var(--lab-soft); color: var(--lab); font-weight: 700; margin-bottom: 8px; }
section.block { padding: 26px 0 6px; }
section.block h2 { font-size: 21px; margin: 0 0 4px; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.card h3 { margin: 0 0 6px; font-size: 17px; }
.card p { margin: 0; color: var(--sub); font-size: 15px; }
.card ul.feat { margin: 6px 0 0; padding-left: 18px; color: var(--sub); font-size: 15px; line-height: 1.7; }
.card .acts { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 14px; }
.tabs { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 14px; }
.tab { padding: 9px 16px; border-radius: 999px; border: 1px solid var(--line); background: var(--paper); font-weight: 700; color: var(--sub); cursor: pointer; font-size: 15px; font-family: inherit; }
.tab[aria-selected="true"] { background: var(--ink); border-color: var(--ink); color: #fff; }
.panel { display: none; }
.panel.on { display: grid; grid-template-columns: 1.2fr 1fr; gap: 14px; }
ol.steps { margin: 0; padding: 0; list-style: none; counter-reset: s; }
ol.steps li { counter-increment: s; position: relative; padding: 12px 0 12px 46px; border-bottom: 1px dashed var(--line); }
ol.steps li:last-child { border-bottom: 0; }
ol.steps li::before { content: counter(s); position: absolute; left: 0; top: 10px; width: 32px; height: 32px; border-radius: 50%; background: var(--mint); color: var(--ink); font-weight: 800; display: flex; align-items: center; justify-content: center; }
.kbd { display: inline-block; padding: 1px 8px; border: 1px solid var(--line); border-radius: 6px; background: #fff; font-weight: 700; font-size: 14px; }
.note { font-size: 14px; color: var(--sub); }
footer.foot .wrap { flex-direction: column; align-items: flex-start; gap: 6px; }
footer.foot .row { display: flex; gap: 14px; flex-wrap: wrap; }
@media (max-width: 820px) { .grid3, .grid2, .panel.on { grid-template-columns: 1fr; } }