:root{color:#233e3c;background:#e8efeb;font-family:"Noto Serif TC",Songti TC,PingFang TC,serif;font-synthesis:none}*{box-sizing:border-box}html,body,#app{min-height:100%}body{margin:0;min-width:320px;background:#e8efeb}button,a{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.3}.catalog-app{min-height:100dvh;display:grid;grid-template-rows:auto minmax(0,1fr) auto auto;gap:clamp(12px,2.2vh,22px);padding:clamp(20px,3vw,38px) clamp(16px,4vw,56px) clamp(16px,2.8vw,32px);background:radial-gradient(circle at 50% -20%,#fbfbf4,#e9f1ed 45%,#dce9e3)}.masthead{text-align:center;letter-spacing:.05em}.eyebrow{margin:0 0 5px;color:#5c8681;font-family:Arial,sans-serif;font-size:11px;font-weight:700;letter-spacing:.2em}h1{margin:0;color:#264d4a;font-size:clamp(17px,1.8vw,25px);font-weight:600;line-height:1.45;letter-spacing:.1em}.award-line{margin:5px 0 0;color:#758a77;font-size:clamp(12px,1.1vw,15px);letter-spacing:.12em}.award-line span{padding:0 .4em;color:#b48f67}.reader-shell{min-height:0;display:grid;place-items:center;overflow:hidden;border:1px solid rgb(83 122 115 / .18);border-radius:3px;background:#d7e1dc;box-shadow:0 18px 45px #374f4824}.reader-shell:fullscreen{padding:3vh 3vw;border-radius:0;background:#d7e1dc}.reader-stage{--zoom: 1;position:relative;width:100%;height:min(68vh,760px);min-height:280px;display:grid;place-items:center;overflow:auto;overscroll-behavior:contain;touch-action:pan-y}.reader-shell:fullscreen .reader-stage{height:94vh}.book{width:min(100%,1330px);display:flex;align-items:center;justify-content:center;gap:clamp(8px,1.4vw,22px);padding:16px;transform:scale(var(--zoom));transform-origin:center;transition:transform .18s ease}.catalog-page{position:relative;display:grid;margin:0;max-width:calc((100vw - 72px)/2);max-height:calc(min(68vh,760px) - 32px);overflow:hidden;background:#fbfaf6;box-shadow:0 10px 26px #2e413b2e}.catalog-page:only-child{max-width:min(100%,720px)}.catalog-page picture,.catalog-page img{display:block;width:auto;height:auto;max-width:100%;max-height:calc(min(68vh,760px) - 32px);object-fit:contain}.reader-shell:fullscreen .catalog-page,.reader-shell:fullscreen .catalog-page picture,.reader-shell:fullscreen .catalog-page img{max-height:88vh}.book.is-turning[data-turn=forward] .catalog-page{animation:turn-in-forward .28s cubic-bezier(.2,.75,.25,1) both}.book.is-turning[data-turn=back] .catalog-page{animation:turn-in-back .28s cubic-bezier(.2,.75,.25,1) both}.book.is-turning .catalog-page:nth-child(2){animation-delay:35ms}@keyframes turn-in-forward{0%{opacity:0;transform:perspective(1200px) rotateY(-7deg) translate(12px)}to{opacity:1;transform:perspective(1200px) rotateY(0) translate(0)}}@keyframes turn-in-back{0%{opacity:0;transform:perspective(1200px) rotateY(7deg) translate(-12px)}to{opacity:1;transform:perspective(1200px) rotateY(0) translate(0)}}.loading{position:absolute;z-index:2;display:grid;gap:12px;place-items:center;color:#365c57;font-family:Arial,sans-serif;font-size:12px;letter-spacing:.14em;text-align:center;transition:opacity .25s ease,visibility .25s ease}.loading span{font-family:Georgia,serif;font-size:18px;line-height:1.1;letter-spacing:.08em}.loading small{font-size:10px}.loading.is-hidden{visibility:hidden;opacity:0;pointer-events:none}.reader-controls{display:flex;align-items:center;justify-content:center;gap:24px;color:#456965}.page-controls,.utility-controls{display:flex;align-items:center;gap:6px}.page-controls{padding-right:22px;border-right:1px solid rgb(69 105 101 / .25)}.page-controls output{min-width:64px;color:#315752;font-family:Arial,sans-serif;font-size:12px;letter-spacing:.07em;text-align:center}.icon-button{width:36px;height:36px;display:inline-grid;place-items:center;padding:0;border:0;border-radius:50%;color:#345a55;background:transparent;transition:background .16s ease,transform .16s ease}.icon-button:hover:not(:disabled),.icon-button:focus-visible{background:#fffffcad;outline:2px solid #92aea6;outline-offset:2px;transform:translateY(-1px)}.icon-button svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.65;stroke-linecap:round;stroke-linejoin:round}.pdf-note{margin:-11px 0 0;color:#74837f;font-size:11px;text-align:center}@media(max-width:760px){.catalog-app{gap:12px;padding:18px 12px calc(14px + env(safe-area-inset-bottom))}.eyebrow{font-size:9px}h1{font-size:16px}.award-line{font-size:11px}.reader-stage{height:min(70dvh,660px);min-height:260px}.book{width:100%;padding:12px}.catalog-page,.catalog-page:only-child{max-width:100%;max-height:calc(min(70dvh,660px) - 24px)}.catalog-page picture,.catalog-page img{max-height:calc(min(70dvh,660px) - 24px)}.desktop-utility{display:none}.reader-controls{gap:12px}.page-controls{padding-right:12px}.icon-button{width:38px;height:38px}.page-controls output{min-width:72px;font-size:12px}}@media(prefers-reduced-motion:reduce){.book,.loading,.icon-button{transition:none}.book.is-turning .catalog-page{animation:none}}