.fp-bk-toc{flex-wrap:wrap;gap:8px;margin-top:24px;display:flex}.fp-bk-toc a{border:1px solid var(--line-strong);color:var(--text);border-radius:999px;padding:6px 12px;font-size:13px}.fp-bk-toc a:hover{border-color:var(--brand);color:var(--brand-hi)}.fp-bk-sec{margin-top:64px;scroll-margin-top:80px}.fp-bk-sec>h2{letter-spacing:-.03em;font-size:26px;font-weight:700}.fp-bk-sec>p{max-width:68ch;color:var(--dim);margin-top:8px;line-height:1.6}.fp-bk-notes{color:var(--dim);gap:8px;margin-top:20px;padding-left:20px;font-size:14px;line-height:1.55;list-style:outside;display:grid}.fp-bk-notes strong{color:var(--text)}.fp-bk-grid{grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px;margin-top:24px;display:grid}.fp-bk-card{border:1px solid var(--line);background:var(--surface);border-radius:14px;flex-direction:column;display:flex;overflow:hidden}.fp-bk-prev{place-items:center;height:160px;padding:24px;display:grid}.fp-bk-prev img{object-fit:contain;width:100%;height:100%;max-height:96px}.fp-bk-prev-dark{background:var(--ink)}.fp-bk-prev-light{background:#f4f6f9}.fp-bk-prev-check{background:repeating-conic-gradient(#1a1f28 0 25%, #232a35 0 50%) 0 0 / 20px 20px}.fp-bk-card figcaption{border-top:1px solid var(--line);gap:4px;padding:14px 16px 16px;display:grid}.fp-bk-card figcaption strong{font-size:14px}.fp-bk-card figcaption>span{color:var(--dim);font-size:13px}.fp-bk-btns{gap:8px;margin-top:10px;display:flex}.fp-bk-btns button{font:500 12px var(--font-mono);letter-spacing:.06em;border:1px solid var(--line-strong);color:var(--text);background:var(--raised);cursor:pointer;border-radius:8px;flex:1;padding:8px 0}.fp-bk-btns button:first-child{background:var(--brand);border-color:var(--brand);color:#fff}.fp-bk-btns button:hover{filter:brightness(1.12)}.fp-bk-colors{grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:12px;margin-top:24px;display:grid}.fp-bk-swatch{text-align:left;border:1px solid var(--line);background:var(--surface);cursor:pointer;color:var(--text);border-radius:14px;gap:3px;padding:10px 10px 14px;display:grid}.fp-bk-swatch:hover{border-color:var(--line-strong)}.fp-bk-chip{border-radius:9px;height:72px;margin-bottom:8px;box-shadow:inset 0 0 0 1px #ffffff14}.fp-bk-swatch strong{font-size:14px}.fp-bk-swatch code{font:500 13px var(--font-mono);color:var(--brand-hi)}.fp-bk-swatch>span:last-child{color:var(--dim);font-size:12px}.fp-bk-type{grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px;margin-top:24px;display:grid}.fp-bk-font{border:1px solid var(--line);background:var(--surface);border-radius:14px;gap:6px;padding:20px;display:grid}.fp-bk-font-sample{overflow-wrap:anywhere;margin-bottom:8px;font-size:44px;line-height:1.1}.fp-bk-font>span:not(.fp-bk-font-sample){color:var(--dim);font-size:14px}.fp-bk-video{grid-template-columns:minmax(0,1fr) 200px;align-items:start;gap:24px;margin-top:24px;display:grid}@media (max-width:640px){.fp-bk-video{grid-template-columns:1fr;justify-items:center}}.fp-bk-table{border-collapse:collapse;width:100%;font-size:14px}.fp-bk-table th{text-align:left;font:500 11px var(--font-mono);letter-spacing:.12em;text-transform:uppercase;color:var(--dim);border-bottom:1px solid var(--line-strong);padding:8px 8px 8px 0}.fp-bk-table td{border-bottom:1px solid var(--line);padding:11px 8px 11px 0}.fp-bk-table td:not(:first-child){font-family:var(--font-mono)}.fp-bk-safe{aspect-ratio:9/16;border:1px solid var(--line-strong);background:var(--ink);width:200px;color:var(--dim);text-align:center;border-radius:12px;font-size:10px;position:relative;overflow:hidden}.fp-bk-safe-top,.fp-bk-safe-bot,.fp-bk-safe-side{background:#f4536a1f;place-items:center;display:grid;position:absolute}.fp-bk-safe-top{height:11.5%;top:0;left:0;right:0}.fp-bk-safe-bot{height:22%;padding:0 8px;bottom:0;left:0;right:0}.fp-bk-safe-side{writing-mode:vertical-rl;width:13%;top:11.5%;bottom:22%;right:0}.fp-bk-safe-mid{border:1px dashed var(--brand);color:var(--brand-hi);border-radius:8px;place-content:center;margin:6px;font-size:12px;font-weight:600;display:grid;position:absolute;inset:11.5% 13% 22% 0}.fp-bk-safe-mid small{color:var(--dim);font-weight:400}.fp-bk-lines{gap:8px;margin-top:20px;display:grid}.fp-bk-line{text-align:left;border:1px solid var(--line);background:var(--surface);width:100%;color:var(--text);cursor:pointer;border-radius:10px;justify-content:space-between;align-items:center;gap:16px;padding:12px 16px;font-size:15px;display:flex}.fp-bk-line:hover{border-color:var(--brand)}.fp-bk-line em{font:500 11px var(--font-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--brand-hi);flex-shrink:0;font-style:normal}.fp-bk-facts{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:12px;margin-top:20px;display:grid}.fp-bk-facts dt{font:500 11px var(--font-mono);letter-spacing:.12em;text-transform:uppercase;color:var(--dim);margin-bottom:6px}.fp-bk-rules{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px;margin-top:20px;display:grid}.fp-bk-do,.fp-bk-dont{border:1px solid var(--line);background:var(--surface);border-radius:14px;padding:20px}.fp-bk-do{border-top:3px solid var(--profit)}.fp-bk-dont{border-top:3px solid var(--floor)}.fp-bk-rules h3{font-size:16px;font-weight:700}.fp-bk-rules ul{color:var(--dim);gap:8px;margin-top:10px;padding-left:18px;font-size:14px;line-height:1.5;list-style:outside;display:grid}.fp-bk-rules strong{color:var(--text)}