.mt-manual{--mt-ink:#20364b;--mt-muted:#778595;--mt-accent:#bd592d;--mt-line:#e9e7e1;color:var(--mt-ink);font-family:inherit;min-width:0}
.mt-book-intro{display:flex;justify-content:space-between;align-items:center;gap:24px;margin:15px 0 12px;padding:20px 24px;background:linear-gradient(110deg,#fffaf2,#fff);border:1px solid #f0e6d7;border-radius:16px}
.mt-book-intro h2{font-size:23px;line-height:1.45;margin:5px 0 7px;letter-spacing:.01em}.mt-book-intro p{font-size:13px;line-height:1.8;max-width:265px;color:var(--mt-muted);margin:0}
.mt-book-kicker{color:var(--mt-accent);font-weight:700;letter-spacing:.18em;font-size:10px}.mt-book-edition{font-size:11px;color:#8c7c69}.mt-book-quick{display:flex;gap:7px;overflow:auto;margin:10px 0 16px;scrollbar-width:thin}
.mt-manual button{font-family:inherit;cursor:pointer;border:1px solid var(--mt-line);border-radius:8px;background:white;color:var(--mt-ink);font-size:12px;line-height:1.5;padding:7px 11px;white-space:normal}
.mt-manual button:hover{background:#fff7ed;border-color:#e5c5a9}.mt-manual button:disabled{opacity:.4;cursor:default}.mt-manual button:focus-visible,.mt-manual input:focus-visible,.mt-manual summary:focus-visible{outline:3px solid #eeaa65;outline-offset:2px}
.mt-book-quick button{white-space:nowrap;background:#fffaf3;color:#92522d;border-color:#efdfcb;padding:7px 14px;flex:none}
.mt-book-layout{display:grid;grid-template-columns:244px minmax(0,1fr);gap:18px;align-items:start}
.mt-book-rail{border:1px solid var(--mt-line);background:#fffdfa;border-radius:12px;padding:15px;position:sticky;top:12px;max-height:calc(100dvh - 115px);overflow:auto;scrollbar-width:thin}
.mt-book-rail>summary{font-size:14px;font-weight:700;cursor:pointer;padding:0 0 12px}.mt-book-rail input{width:100%;box-sizing:border-box;border:1px solid #e3e6e8;border-radius:7px;background:#fff;padding:9px 10px;font-size:12px;color:var(--mt-ink);margin:0 0 9px}
.mt-book-group{padding:5px 0;border-bottom:1px solid #f1eeea}.mt-book-group>summary{font-size:12px;font-weight:650;padding:8px 0;cursor:pointer;color:#5a6c7c;line-height:1.6}
.mt-manual .mt-book-link{border:0;border-radius:6px;background:transparent;display:flex;gap:9px;align-items:start;text-align:left;width:100%;padding:8px 6px;color:#647789;font-size:11px;line-height:1.6}
.mt-book-link small{color:#a2acb4;flex:none;font-size:10px;padding-top:1px}.mt-manual .mt-book-link[aria-current=page]{background:#fff0df;color:#a44d22;font-weight:700}.mt-book-empty{font-size:12px;color:var(--mt-muted);line-height:1.8}
.mt-book-leaf{padding:17px 20px 12px;border:1px solid var(--mt-line);border-radius:13px;min-width:0;background:#fff;overflow:hidden}
.mt-book-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:0 0 10px}.mt-book-heading h2{margin:3px 0;font-size:18px;line-height:1.5}.mt-book-chapter{font-size:10px;color:var(--mt-muted);margin:0}.mt-book-position{font-size:11px;color:#a0744c;font-variant-numeric:tabular-nums;white-space:nowrap}
.mt-book-tools{position:sticky;top:0;z-index:3;display:flex;align-items:center;gap:7px;padding:10px 0;border-top:1px solid #f3eee8;border-bottom:1px solid #f3eee8;background:#fff;margin-bottom:15px}.mt-book-tools>button:last-child{margin-left:auto}
.mt-book-jump{display:flex;align-items:center;gap:4px;font-size:11px;color:#76818a;white-space:nowrap}.mt-book-jump input{width:45px!important;min-width:0;box-sizing:border-box;padding:5px 3px!important;text-align:center;border:1px solid #e5e7e8;border-radius:6px;font-size:12px;color:var(--mt-ink)}
.mt-book-stage{overflow:auto;background:#f2f3f4;border-radius:7px;padding:10px;scrollbar-width:thin}.mt-book-frame{position:relative;width:100%;margin:auto;max-width:900px;line-height:0;box-shadow:0 2px 12px #23364b0d}.mt-book-image{display:block;width:100%;max-width:none;height:auto;user-select:none;-webkit-user-drag:none}.mt-book-zoomed .mt-book-frame{width:150%;max-width:none}
.mt-book-hotspots{position:absolute;inset:0;pointer-events:none}.mt-manual .mt-book-hotspot{position:absolute;border:0!important;padding:0!important;border-radius:2px;background:transparent;pointer-events:auto}.mt-manual .mt-book-hotspot:hover,.mt-manual .mt-book-hotspot:focus-visible{background:#eba85320;outline:2px solid #e8a257}
.mt-book-footer{display:flex;justify-content:space-between;align-items:center;padding:12px 0 4px;gap:8px}.mt-book-readonly{text-align:center;font-size:10px;color:#9b9f9f;margin:10px 0 2px}.mt-book-notice{font-size:12px;color:#a56531;line-height:1.7;margin:8px 0}.mt-book-notice:empty,.mt-book-error:empty{display:none}.mt-book-notice button{margin-left:12px}.mt-book-error{text-align:center;padding:12px;font-size:12px;color:#b15b32}
@media(max-width:1000px){.mt-book-layout{grid-template-columns:205px minmax(0,1fr);gap:12px}.mt-book-leaf{padding:12px}.mt-book-intro{padding:17px 20px}.mt-book-intro h2{font-size:21px}.mt-book-intro>p{display:none}}
@media(max-width:760px){.mt-book-intro{padding:15px 17px;margin-top:10px;border-radius:12px}.mt-book-intro h2{font-size:18px;line-height:1.5}.mt-book-layout{grid-template-columns:1fr}.mt-book-rail{position:static;max-height:42dvh;padding:12px 14px}.mt-book-rail>summary{padding-bottom:0}.mt-book-rail[open]>summary{padding-bottom:10px}.mt-book-quick{gap:6px;margin:9px 0 12px}.mt-book-quick button{font-size:11px;padding:6px 11px}.mt-book-leaf{padding:11px 8px}.mt-book-heading{padding:0 3px 8px}.mt-book-heading h2{font-size:16px}.mt-book-tools{gap:4px;padding:8px 1px;margin-bottom:8px;flex-wrap:wrap}.mt-book-tools button{font-size:10px;padding:7px 8px}.mt-book-jump{gap:3px;font-size:10px}.mt-book-jump input{width:38px!important}.mt-book-stage{padding:4px}.mt-book-footer button{font-size:11px;padding:7px 9px}}