:root{--brand:#0f766e;--ink:#16212b;--muted:#5b6b78;--line:#e2e8ef;--bg:#f7fafc;}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6}
.wrap{max-width:880px;margin:0 auto;padding:0 20px}
/* ---- side menu layout ---- */
.sidemenu{position:fixed;top:0;left:0;width:248px;height:100vh;background:#0b5d57;color:#fff;display:flex;flex-direction:column;overflow-y:auto;z-index:30}
.sidemenu .brand{display:block;color:#fff;font-weight:800;text-decoration:none;font-size:18px;padding:20px 20px 14px;border-bottom:1px solid rgba(255,255,255,.12)}
.side-links{display:flex;flex-direction:column;padding:10px 0}
.side-links a{color:#d7efec;text-decoration:none;font-size:14px;padding:11px 20px;border-left:3px solid transparent}
.side-links a:hover{background:rgba(255,255,255,.10);color:#fff}
.side-links a.active{background:rgba(255,255,255,.14);color:#fff;font-weight:700;border-left-color:#fff}
/* accordion group header (button) */
.side-group-title{display:flex;align-items:center;justify-content:space-between;width:100%;background:none;border:0;cursor:pointer;font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:#8fd3cc;padding:14px 20px 6px;font-weight:800;text-align:left}
.side-group-title .caret{transition:transform .2s ease;font-size:12px;opacity:.8}
.side-group.open .side-group-title .caret{transform:rotate(90deg)}
.side-group .side-links{max-height:0;overflow:hidden;transition:max-height .25s ease}
.side-group.open .side-links{max-height:1200px}
.group-title{font-size:15px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);margin:24px 0 4px;padding-top:8px;border-top:1px solid var(--line)}
.group-title:first-of-type{border-top:0;padding-top:0}
/* per-group page background + accent */
body.grp-pos{--bg:#f7fafc;--accent2:#0f766e}
body.grp-admin{--bg:#f4f1fb;--accent2:#6d28d9}
body.grp-admin .cat-header{border-bottom-color:#e4dcf6}
body.grp-admin .cat-header h1{color:#6d28d9}
body.grp-admin article.faq h2{color:#5b21b6}
body.grp-biz{--bg:#fbf6ef;--accent2:#b45309}
body.grp-biz .cat-header{border-bottom-color:#f0e2cf}
body.grp-biz .cat-header h1{color:#b45309}
body.grp-biz article.faq h2{color:#92400e}
body.grp-general{--bg:#eef4fb;--accent2:#1d4ed8}
body.grp-general .cat-header{border-bottom-color:#d6e2f5}
body.grp-general .cat-header h1{color:#1d4ed8}
body.grp-general article.faq h2{color:#1e40af}
.entry-link{margin:0 0 12px}
.entry-link a{display:inline-block;background:var(--accent2,#0f766e);color:#fff;text-decoration:none;font-weight:700;font-size:14px;padding:9px 14px;border-radius:8px;margin:0 8px 6px 0}
.entry-link a:hover{opacity:.92}
.content{margin-left:248px}
/* mobile top bar + overlay (hidden on desktop) */
.mtopbar{display:none;align-items:center;gap:12px;background:#0b5d57;color:#fff;padding:10px 16px;position:sticky;top:0;z-index:25}
.mtopbar .menu-btn{background:none;border:0;color:#fff;font-size:22px;cursor:pointer;line-height:1;padding:2px 6px}
.mtopbar .m-brand{color:#fff;font-weight:800;text-decoration:none;font-size:16px}
.menu-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:29}
.menu-overlay.show{display:block}
@media(max-width:860px){
  .sidemenu{transform:translateX(-100%);transition:transform .22s ease;box-shadow:2px 0 18px rgba(0,0,0,.25)}
  .sidemenu.open{transform:translateX(0)}
  .content{margin-left:0}
  .mtopbar{display:flex}
}
.hero{background:var(--brand);color:#fff;padding:38px 20px}
.hero h1{margin:0 0 6px;font-size:30px}
.hero p{margin:0 0 16px;opacity:.92}
.search{position:relative;max-width:620px}
.search input{width:100%;padding:13px 16px;border:0;border-radius:10px;font-size:16px}
.results{position:absolute;left:0;right:0;top:54px;background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:0 10px 30px rgba(0,0,0,.12);max-height:60vh;overflow:auto;z-index:5}
.results a{display:block;padding:10px 14px;color:var(--ink);text-decoration:none;border-bottom:1px solid var(--line)}
.results a:last-child{border-bottom:0}
.results a:hover{background:#f1f7f6}
.results .r-cat{font-size:11px;color:var(--brand);font-weight:700;text-transform:uppercase;letter-spacing:.03em}
.results .r-q{font-size:14px;font-weight:600}
.results .empty{padding:12px 14px;color:var(--muted)}
.cat-header{background:#fff;border-bottom:1px solid var(--line);padding:26px 20px}
.cat-header h1{margin:4px 0 6px;font-size:26px}
.cat-header p{margin:0;color:var(--muted)}
.crumb{margin:0;font-size:13px}
.crumb a{color:var(--brand);text-decoration:none}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px;padding:24px 0 50px}
.card{display:block;background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px;text-decoration:none;color:var(--ink);transition:.15s}
.card:hover{border-color:var(--brand);box-shadow:0 6px 18px rgba(15,118,110,.10)}
.card h3{margin:0 0 6px;font-size:17px;color:var(--brand)}
.card p{margin:0 0 10px;font-size:13px;color:var(--muted)}
.card .count{font-size:12px;font-weight:700;color:var(--ink);background:#eef5f4;padding:3px 8px;border-radius:20px}
nav.toc{background:#fff;border:1px solid var(--line);border-radius:10px;padding:16px 18px;margin:22px auto}
nav.toc h2{font-size:14px;margin:0 0 8px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}
nav.toc ul{margin:0;padding-left:18px;columns:2;gap:24px}
nav.toc a{color:var(--brand);text-decoration:none;font-size:14px}
nav.toc a:hover{text-decoration:underline}
main{padding:6px 0 50px}
article.faq{background:#fff;border:1px solid var(--line);border-radius:10px;padding:20px 22px;margin:0 0 16px}
article.faq h2{font-size:19px;margin:0 0 10px;scroll-margin-top:64px}
article.faq .answer{margin:0 0 12px}
article.faq ol.steps{margin:0 0 14px;padding-left:22px}
article.faq ol.steps li{margin:3px 0}
.note{background:#fff8e1;border:1px solid #f3d98b;border-radius:8px;padding:10px 12px;font-size:14px;color:#6b5400;margin:12px 0 0}
.shot{display:block;margin:14px 0 4px;border:1px solid var(--line);border-radius:8px;max-width:100%;height:auto;background:#fbfdff}
.shot-cap{font-size:12px;color:var(--muted);margin:0 0 4px}
.related{font-size:13px;margin-top:10px}
.related a{color:var(--brand)}
footer{border-top:1px solid var(--line);padding:24px 20px;color:var(--muted);font-size:13px;text-align:center;margin-top:20px}
@media(max-width:560px){nav.toc ul{columns:1}}