.lrc-btt{--ink:#1d2d2c;--muted:#5e6867;--paper:#faf9f5;--panel:#f1f3ee;--line:#d5dcd5;--accent:#1f6b60;--max:780px}.lrc-btt *{box-sizing:border-box}.lrc-btt{scroll-behavior:smooth}body.lrc-btt-page{margin:0;background:#faf9f5;color:#1d2d2c;font:17px/1.78 Georgia,"Times New Roman",serif}.lrc-btt a{color:var(--accent);text-underline-offset:.2em}.lrc-btt a:hover{text-decoration-thickness:2px}.lrc-btt .skip{position:absolute;left:-999px}.lrc-btt .skip:focus{left:12px;top:12px;padding:10px;background:white;z-index:99}.lrc-btt .wrap{width:min(calc(100% - 38px),var(--max));margin:auto}.lrc-btt .top{border-bottom:1px solid var(--line);background:rgba(250,249,245,.96)}.lrc-btt .top-inner{max-width:1100px;margin:auto;display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;padding:15px 22px}.lrc-btt .brand{font:700 13px/1.2 system-ui,Arial,sans-serif;letter-spacing:.13em;text-decoration:none;color:var(--ink)}.lrc-btt .nav{display:flex;gap:14px;flex-wrap:wrap;font:12px system-ui,sans-serif}.lrc-btt .nav a{text-decoration:none}.lrc-btt .lang{font:12px/1.7 system-ui,sans-serif;color:var(--muted)}.lrc-btt .hero{padding:76px 0 46px}.lrc-btt .eyebrow{font:600 12px/1.4 system-ui,sans-serif;letter-spacing:.18em;text-transform:uppercase;color:var(--accent)}.lrc-btt h1,.lrc-btt h2,.lrc-btt h3{line-height:1.19;font-weight:500}.lrc-btt h1{font-size:clamp(36px,6vw,59px);margin:.34em 0 .42em;letter-spacing:-.035em}.lrc-btt h2{font-size:30px;margin:1.5em 0 .65em}.lrc-btt h3{font-size:23px;margin:1.35em 0 .6em}.lrc-btt .deck{font-size:22px;color:#425654;line-height:1.6;max-width:720px}.lrc-btt .notice{padding:18px 22px;background:var(--panel);border-left:3px solid var(--accent);font:14px/1.6 system-ui,sans-serif;margin:25px 0;color:#425451}.lrc-btt .parts{display:grid;gap:35px;padding-bottom:65px}.lrc-btt .part{border-top:1px solid var(--line);padding-top:10px}.lrc-btt .part h2{margin-bottom:18px}.lrc-btt .chapter-list{list-style:none;margin:0;padding:0}.lrc-btt .chapter-list li{border-bottom:1px solid var(--line);padding:13px 0;display:flex;gap:16px;align-items:start}.lrc-btt .chapter-list .num{font:12px system-ui,sans-serif;color:var(--muted);padding-top:7px;width:26px;flex-shrink:0}.lrc-btt .chapter-list a{color:var(--ink);text-decoration:none;line-height:1.3}.lrc-btt .chapter-list a:hover{color:var(--accent);text-decoration:underline}.lrc-btt .meta{font:12px/1.5 system-ui,sans-serif;color:var(--muted);margin-top:8px}.lrc-btt .article{padding:54px 0 100px}.lrc-btt .article-body{font-size:18px;line-height:1.83}.lrc-btt .article-body p{margin:1.15em 0}.lrc-btt .article-body ul,.lrc-btt .article-body ol{padding-left:26px}.lrc-btt .article-body blockquote{margin:30px 0;padding:4px 28px;border-left:3px solid var(--accent);color:#36504c;font-style:italic}.lrc-btt .article-body table{width:100%;border-collapse:collapse;display:block;overflow-x:auto;font-size:15px}.lrc-btt .article-body th,.lrc-btt .article-body td{border-bottom:1px solid var(--line);padding:10px;text-align:left;vertical-align:top}.lrc-btt .article-body h2{padding-top:10px}.lrc-btt .article-body hr{border:0;border-top:1px solid var(--line);margin:36px 0}.lrc-btt .article-body strong{color:#172e2b}.lrc-btt .article-body pre{overflow-x:auto}.lrc-btt .pagination{border-top:1px solid var(--line);margin-top:44px;padding-top:24px;display:flex;justify-content:space-between;gap:20px;font:14px system-ui,sans-serif}.lrc-btt .pagination a{max-width:48%;text-decoration:none}.lrc-btt .foot{border-top:1px solid var(--line);padding:36px 0 60px;color:var(--muted);font:12px/1.7 system-ui,sans-serif}.lrc-btt .sources{border-top:1px solid var(--line);margin-top:45px;padding-top:24px;font:13px/1.6 system-ui,sans-serif}.lrc-btt .sources h2{font:700 16px system-ui,sans-serif;margin:0 0 10px}.lrc-btt .sources ul{padding-left:20px}.lrc-btt .cta{display:inline-block;padding:12px 20px;margin:20px 0;border:1px solid var(--accent);font:600 13px system-ui,sans-serif;text-decoration:none;border-radius:2px}.lrc-btt .cta:hover{background:var(--panel)}.lrc-btt :focus-visible{outline:3px solid #a7ca7d;outline-offset:3px}@media(max-width:620px){body.lrc-btt-page{font-size:16px}.lrc-btt .hero{padding:48px 0 25px}.lrc-btt .article{padding-top:35px}.lrc-btt .article-body{font-size:17px}.lrc-btt .top-inner{padding:12px 20px}.lrc-btt .pagination{flex-direction:column}.lrc-btt .pagination a{max-width:100%}}

.lrc-btt .wrap{max-width:780px}
.lrc-btt .library-tools{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.lrc-btt .library-tools .cta{margin:0;min-height:44px;text-align:center}
.lrc-btt .breadcrumb{padding-top:26px;font:13px/1.6 system-ui,sans-serif}
.lrc-btt .breadcrumb a{display:inline-block;min-height:32px}
.lrc-btt .article{padding-top:24px}
.lrc-btt .article-body{overflow-wrap:anywhere}
.lrc-btt .chapter-list a{display:inline-block;padding-block:3px}
.lrc-btt .pagination a{padding-block:8px}
@media(prefers-reduced-motion:reduce){.lrc-btt{scroll-behavior:auto}}