body:has(.oc-book-page) .header{display:none}body:not(.page-home) .main-inner.oc-book-page{max-width:1600px;color:var(--inner-text);margin:16px auto;padding:16px 24px 20px}.book-heading{justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:10px;display:flex}.book-back{color:var(--inner-muted);border:0;font-size:12px}.book-eyebrow{color:var(--inner-muted);letter-spacing:.18em;margin:0 0 2px;font-size:10px;line-height:1.2}.book-heading h1{margin:0;font-family:Noto Serif SC,Songti SC,SimSun,serif;font-size:clamp(24px,2.5vw,30px);font-weight:500;line-height:1.15}.book-edition{color:var(--inner-muted);white-space:nowrap;margin:0 0 4px;font-size:12px}.book-edition span{margin-left:12px}.book-stage{border:1px solid var(--inner-line);background:radial-gradient(at 50% 35%,#faf9f4,#e2e7db);border-radius:10px;grid-template:minmax(0,1fr)/minmax(0,1fr);place-items:center;height:max(400px,100dvh - 190px);display:grid;position:relative;overflow:hidden}html[data-theme=night] .book-stage{background:radial-gradient(at 50% 35%,#28352c,#0d1812)}.book-canvas{touch-action:pan-y;cursor:grab;width:100%;min-width:0;height:100%;min-height:0;display:block;position:absolute;inset:0}.book-canvas:active{cursor:grabbing}.book-flat-spread{pointer-events:none;filter:drop-shadow(0 6px 12px #17201826);width:max-content;display:flex;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.book-flat-spread img{flex:none;width:auto;max-width:none;height:100%;margin:0;display:block}.book-flat-spread[hidden]{display:none}.book-single{object-fit:contain;width:auto;max-width:calc(100% - 40px);height:calc(100% - 40px);margin:0;display:block;box-shadow:0 14px 38px #17201826}.book-canvas[hidden],.book-single[hidden],.book-loading[hidden]{display:none}.book-loading{color:var(--inner-text);background:var(--inner-paper-solid);border-radius:30px;margin:0;padding:8px 16px;font-size:12px;position:absolute;bottom:22px}.book-toolbar,.book-zoom-toolbar{justify-content:space-between;align-items:center;gap:16px;padding:18px 0 0;display:flex}.book-paging,.book-options{align-items:center;gap:10px;display:flex}.book-paging p{text-align:center;font-variant-numeric:tabular-nums;min-width:142px;margin:0;font-size:12px}.book-reader button,.book-reader select{box-sizing:border-box;border:1px solid var(--inner-line);min-height:38px;color:var(--inner-text);background:var(--inner-paper-solid);font:inherit;border-radius:7px;padding:7px 12px;font-size:12px}.book-reader button{cursor:pointer}.book-reader button:hover{border-color:var(--inner-accent);color:var(--inner-accent)}.book-reader button:disabled{opacity:.4;cursor:default}.book-reader button[aria-pressed=true]{background:var(--inner-accent-soft);border-color:var(--inner-accent)}.book-options label{color:var(--inner-muted);align-items:center;gap:8px;font-size:12px;display:flex}.book-hint{color:var(--inner-muted);text-align:center;margin:12px 0 0;font-size:11px}.book-bottom{border-top:1px solid var(--inner-line);color:var(--inner-muted);justify-content:space-between;gap:16px;margin-top:22px;padding-top:16px;font-size:11px;display:flex}.book-bottom p{margin:0}.book-bottom a{color:inherit;white-space:nowrap;border:0}.book-zoom{box-sizing:border-box;border:1px solid var(--inner-line);width:calc(100vw - 32px);max-width:none;height:calc(100dvh - 32px);max-height:none;color:var(--inner-text);background:var(--inner-paper-solid);border-radius:12px;margin:auto;padding:0;overflow:hidden}.book-zoom::backdrop{backdrop-filter:blur(6px);background:#051009c9}html:has(.book-zoom[open]){overflow:hidden}.book-zoom-toolbar{box-sizing:border-box;border-bottom:1px solid var(--inner-line);min-height:64px;padding:10px 20px}.book-zoom-toolbar span{white-space:nowrap;font-size:12px}.book-zoom-scroll{box-sizing:border-box;height:calc(100% - 64px);padding:20px;overflow:auto}.book-zoom-scroll img{max-width:none;height:auto;margin:0 auto;display:block;box-shadow:0 8px 30px #0002}.page-home .home-book-feature{border:1px solid var(--home-line);color:var(--home-text);background:color-mix(in srgb, var(--home-accent) 4%, transparent);grid-column:1/-1;align-items:center;gap:32px;padding:24px 32px;text-decoration:none;display:flex}.page-home .home-book-feature:hover{border-color:var(--home-accent)}.home-book-feature img{object-fit:cover;flex-shrink:0;width:100px;height:150px;margin:0;transform:rotate(-3deg);box-shadow:3px 6px 14px #0002}.home-book-copy small{color:var(--home-muted);letter-spacing:.12em;font-size:10px}.home-book-copy strong{margin:6px 0 10px;font-family:Noto Serif SC,Songti SC,SimSun,serif;font-size:25px;font-weight:500;line-height:1.4;display:block}.home-book-copy p{color:var(--home-muted);margin:0;font-size:12px}.home-book-copy span{color:var(--home-accent);margin-top:14px;font-size:12px;display:inline-block}@media (width<=759px){body:has(.oc-book-page) .site-theme-switch:not(.is-inline){top:18px;bottom:auto}body:not(.page-home) .main-inner.oc-book-page{width:calc(100% - 24px);margin:12px auto;padding:20px 14px}.book-heading{display:block}.book-edition{margin-top:12px}.book-stage{aspect-ratio:2/3;height:auto}.book-single{width:calc(100% - 24px);max-width:none;height:auto;margin:12px}.book-toolbar{flex-wrap:wrap;justify-content:center;gap:12px}[data-book-mode]{display:none}.book-bottom{flex-wrap:wrap;gap:8px}.book-zoom{border-radius:0;width:100vw;height:100dvh}.book-zoom-toolbar{gap:8px;padding:8px}.book-zoom-toolbar .book-paging,.book-zoom-toolbar .book-options{gap:5px}.book-zoom-toolbar button{padding:7px 9px}.page-home .home-book-feature{gap:20px;padding:22px 18px}.home-book-feature img{width:72px;height:108px}.home-book-copy strong{font-size:21px}}