:root{--bg:#fff;--fg:#111;--muted:rgba(17,17,17,.65);--card:rgba(17,17,17,.04);--line:rgba(17,17,17,.12);--shadow:0 10px 30px rgba(0,0,0,.08);--radius:10px;--sans:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,"Apple Color Emoji","Segoe UI Emoji";--header-h:60px}html.dark{--bg:#0b0c0f;--fg:#f2f3f5;--muted:rgba(242,243,245,.68);--card:rgba(242,243,245,.06);--line:rgba(242,243,245,.14);--shadow:0 12px 34px rgba(0,0,0,.45)}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--sans)}body:before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.18;background:linear-gradient(to right,color-mix(in srgb,var(--line) 55%,transparent) 1px,transparent 1px),linear-gradient(to bottom,color-mix(in srgb,var(--line) 55%,transparent) 1px,transparent 1px);background-size:48px 48px;mask-image:radial-gradient(700px 500px at 50% 0%,#000 60%,transparent 100%)}.wrap{max-width:1180px;padding:0 18px;margin:0 auto}.site-header{position:sticky;top:0;z-index:1000;background:var(--bg);border-bottom:1px solid var(--line);padding-left:18px;padding-right:18px}.header-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 0;gap:16px}.brand-title{font-size:18px;font-weight:700;letter-spacing:.2px}.brand-sub{font-size:12px;color:var(--muted);margin-top:2px}.header-actions{display:flex;gap:10px}.btn{border:1px solid var(--line);background:var(--card);color:var(--fg);padding:8px 10px;border-radius:12px;text-decoration:none;font-size:13px;cursor:pointer}.btn:hover{filter:brightness(1.05)}.manual{display:grid;grid-template-columns:420px 1fr;gap:22px;padding:22px 0 42px}.left-top{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.collections{display:flex;gap:6px;flex-wrap:wrap;flex:1}.tab{border:1px solid var(--line);background:var(--card);color:var(--fg);padding:7px 10px;border-radius:999px;text-decoration:none;font-size:12px;line-height:1;white-space:nowrap}.tab:hover{filter:brightness(1.05)}.tab.active{background:color-mix(in srgb,var(--fg) 10%,var(--bg));border-color:color-mix(in srgb,var(--fg) 22%,var(--line))}.picker{display:flex;align-items:center;gap:8px;flex-shrink:0}.picker-label{font-size:12px;color:var(--muted)}.picker-select{border:1px solid var(--line);background:var(--bg);color:var(--fg);border-radius:12px;padding:8px 10px;font-size:13px}.scroll-hint{font-size:12px;color:var(--muted)}.manual-left .sticky{position:sticky;top:calc(var(--header-h) + 18px);height:calc(100vh - var(--header-h) - 36px);display:flex;flex-direction:column;gap:12px}.panel-frame{border:1px solid var(--line);background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);position:relative;flex:1;overflow:hidden;display:flex;flex-direction:column}.panel-img{max-height:80%;max-width:100%;height:auto;width:auto;display:block;margin:auto}.panel-overlay{position:relative;margin-top:auto;width:100%;padding:12px 12px 14px;border-top:1px solid var(--line);background:linear-gradient(to top,color-mix(in srgb,var(--bg) 92%,transparent),transparent)}.panel-title{font-weight:800;letter-spacing:.3px}.panel-tagline{font-size:12px;color:var(--muted);margin-top:4px}.manual-right{min-width:0}.module{padding:18px 16px 6px;border:1px solid var(--line);border-radius:var(--radius);background:color-mix(in srgb,var(--bg) 94%,var(--card));margin-bottom:18px}.module.active{outline:2px solid color-mix(in srgb,var(--fg) 28%,transparent)}.module-title{margin:0;font-size:22px;letter-spacing:.2px}.module-tagline{margin:6px 0 0;color:var(--muted)}.module-section{margin-top:14px}.module-section h3{margin:0 0 8px;font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}pre{margin:0;white-space:pre-wrap;font-family:var(--sans);line-height:1.55;font-size:14px;max-width:78ch}.module-divider{height:1px;background:var(--line);margin-top:18px}.site-footer{border-top:1px solid var(--line);padding:18px 0 28px}.footer-inner{display:flex;justify-content:space-between;gap:12px;color:var(--muted);font-size:12px}.muted{color:var(--muted)}.landing{padding:28px 0 48px}.landing-title{margin:0;font-size:34px;letter-spacing:.2px}.landing-sub{margin:10px 0 0;max-width:70ch}.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:20px}.card{display:flex;align-items:center;justify-content:space-between;gap:12px;border:1px solid var(--line);background:color-mix(in srgb,var(--bg) 94%,var(--card));border-radius:var(--radius);padding:18px 20px;text-decoration:none;box-shadow:var(--shadow);transition:border-color .15s,background .15s}.card:hover{background:color-mix(in srgb,var(--bg) 88%,var(--card));border-color:color-mix(in srgb,var(--fg) 22%,var(--line))}.card-body{display:flex;flex-direction:column;gap:4px}.card-title{font-weight:800;font-size:17px}.card-text{font-size:13px;color:var(--muted)}.card-arrow{color:var(--muted);font-size:18px;flex-shrink:0}@media (max-width:980px){body:not(.is-landing){height:100dvh;min-height:100svh;overflow:hidden}.manual{display:flex;flex-direction:column;height:calc(100dvh - var(--header-h));min-height:calc(100svh - var(--header-h));padding:0;gap:0}.manual-left{flex:0 0 40dvh;height:40dvh;min-height:220px}.manual-left .sticky{position:relative;top:0;height:100%;display:flex;flex-direction:column;gap:10px;padding:12px;padding-top:calc(12px + env(safe-area-inset-top))}.left-top{row-gap:6px}.panel-frame{flex:1;min-height:0;display:flex;flex-direction:row;align-items:center;justify-content:center;gap:12px;overflow:hidden;padding:10px}.panel-img{flex:0 1 62%;max-width:62%;max-height:100%;width:auto;height:auto;object-fit:contain;display:block}.panel-overlay{flex:1 1 38%;max-width:38%;display:flex;flex-direction:column;justify-content:center;align-items:flex-start;position:relative;margin-top:0;border-top:none;background:none;padding:0}.hint,.desktop-only,.scroll-hint{display:none!important}.manual-right{flex:1;min-height:0;overflow-y:auto;-webkit-overflow-scrolling:touch;padding:16px 18px 40px;border-top:1px solid var(--line)}.cards{grid-template-columns:1fr}}@media (max-width:600px){.landing-title{font-size:26px}}