*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#f2f3f0;color:#233536;font-family:system-ui,-apple-system,'Microsoft YaHei',sans-serif}a{color:inherit;text-decoration:none}button,select{font:inherit}button,a.action{border:1px solid #ccd6d2;background:white;border-radius:8px;padding:10px 14px;cursor:pointer}button:focus-visible,a:focus-visible,select:focus-visible{outline:3px solid #7cb5b8;outline-offset:3px}.shell{max-width:1050px;margin:auto;padding:38px 24px 70px}.eyebrow{font-size:12px;letter-spacing:2px;color:#607575}h1{font-size:32px;margin:14px 0 10px}p{line-height:1.7;color:#607575}.books{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:32px}.book{background:#fff;border-radius:14px;overflow:hidden;border:1px solid #e0e5df;transition:transform .2s}.book:hover{transform:translateY(-3px)}.book .cover{height:265px;padding:17px;background:#e8ebe5;text-align:center}.cover img{width:100%;height:100%;object-fit:contain}.book .info{padding:19px}.book h2{font-size:18px;margin:0 0 9px}.book .meta{font-size:13px;color:#71827c}.book .open{display:block;margin-top:16px;font-size:14px;color:#38696b;font-weight:600}.reader-bar{position:sticky;top:0;z-index:10;background:#fff;border-bottom:1px solid #dce3dd;padding:12px 18px;display:flex;align-items:center;justify-content:space-between;gap:12px}.reader-title{font-size:15px;font-weight:650}.reader-title small{display:block;font-size:11px;font-weight:400;color:#73837c;margin-top:3px}.reader-actions{display:flex;gap:7px;align-items:center}.reader-actions button,.reader-actions a{font-size:12px;padding:9px}.pages{max-width:880px;margin:16px auto 0;padding:0 12px}.page{margin:0 0 15px;scroll-margin-top:80px}.page img{width:100%;height:auto;display:block;background:#fff;box-shadow:0 1px 4px #00000012}.page figcaption{text-align:center;font-size:11px;padding:8px;color:#73837c}.jump{width:76px;border:1px solid #ccd6d2;padding:8px;border-radius:8px;background:white;font-size:12px}.reader-foot{text-align:center;padding:12px 20px 40px;font-size:13px}.reader-foot a{text-decoration:underline}.modal-backdrop{position:fixed;inset:0;background:#152d35aa;z-index:30;display:grid;place-items:center;padding:20px}.modal-backdrop[hidden]{display:none}.modal{position:relative;width:min(420px,100%);background:white;padding:26px;border-radius:16px;text-align:center;max-height:90vh;overflow:auto}.modal h2{font-size:19px;margin:10px 0}.modal .qr{width:220px;max-width:80%;height:auto}.modal p{font-size:13px}.modal .close{position:absolute;right:10px;top:10px;border:0;font-size:22px;padding:5px 10px}.modal .links{display:flex;justify-content:center;gap:10px;margin-top:17px}.toast{position:fixed;bottom:30px;left:50%;transform:translateX(-50%);background:#233f40;color:white;border-radius:10px;padding:12px 20px;z-index:50;font-size:14px}.toast[hidden]{display:none}@media(max-width:650px){.shell{padding:25px 17px 45px}h1{font-size:28px}.books{grid-template-columns:1fr;gap:15px;margin-top:24px}.book{display:grid;grid-template-columns:125px 1fr}.book .cover{height:190px;padding:12px}.book .info{align-self:center;padding:14px}.book h2{font-size:17px}.reader-bar{padding:10px 9px;gap:6px}.reader-title{font-size:12px}.reader-actions{gap:4px}.reader-actions button,.reader-actions a{padding:8px 6px;font-size:11px}.jump{width:61px;padding:7px 2px}.pages{padding:0 7px;margin-top:9px}.page{scroll-margin-top:74px}.modal{padding:23px 15px}}

.reading{background:#263335}.reading #app{height:100vh;height:100dvh;display:flex;flex-direction:column}.reading .reader-bar{position:relative;flex-shrink:0}.book-stage{flex:1;min-height:0;display:flex;align-items:center;justify-content:center;overflow:hidden;padding:12px}#flipbook{flex-shrink:0}.flip-page{background:#fff;overflow:hidden}.flip-page img{display:block;width:100%;height:100%;object-fit:contain;user-select:none}.flip-controls{flex-shrink:0;display:flex;align-items:center;justify-content:center;gap:20px;padding:10px 14px 18px;color:#e7eeee;flex-wrap:wrap}.flip-controls button{padding:8px 12px}.flip-controls button:disabled{opacity:.4;cursor:default}.flip-controls small{flex-basis:100%;text-align:center;font-size:11px;color:#adbec0}.zoom-view{position:fixed;inset:0;z-index:40;background:#263335}.zoom-view[hidden]{display:none}.zoom-close{position:absolute;top:10px;right:12px;z-index:2}.zoom-scroll{height:100%;overflow:auto;padding:55px 10px 20px}.zoom-scroll img{display:block;width:max(100%,900px);max-width:none;margin:auto}.reading .jump{width:76px}@media(max-width:650px){.flip-controls{gap:14px;padding:9px 12px 14px}.book-stage{padding:8px}.reader-title{max-width:120px}.reader-actions button,.reader-actions a{padding:8px 5px}.reading .jump{width:68px}}

.flip-controls{position:relative}#thumbnails{position:absolute;right:18px;bottom:12px;background:#33494b;color:#edf4f4;border-color:#5a7274;font-size:12px}.thumbnail-panel{position:fixed;z-index:15;left:0;right:0;bottom:92px;background:#192224f2;box-shadow:0 -8px 28px #0004;color:#edf4f4;padding:10px 18px 12px}.thumbnail-panel[hidden]{display:none}.thumbnail-heading{display:flex;justify-content:space-between;align-items:center;font-size:12px;margin-bottom:8px}.thumbnail-heading button{background:transparent;color:white;border:0;padding:0 7px;font-size:22px}.thumbnail-strip{position:relative;display:flex;gap:12px;overflow-x:auto;overscroll-behavior-x:contain;padding:3px 2px 10px;scrollbar-color:#64797b #263335;scrollbar-width:thin}.thumbnail-card{flex:0 0 auto;width:102px;border:2px solid transparent;border-radius:4px;padding:4px;background:transparent;color:#ddd}.thumbnail-card img{display:block;width:90px;height:127px;object-fit:contain;background:white}.thumbnail-card span{display:block;padding-top:6px;font-size:11px}.thumbnail-card:hover{background:#ffffff12}.thumbnail-card.selected{border-color:#80c9cb;background:#436e7133;color:white}@media(max-width:650px){#thumbnails{right:10px;bottom:7px;padding:6px 8px}.flip-controls small{padding-right:66px}.thumbnail-panel{bottom:88px;padding:8px 10px 10px}.thumbnail-strip{gap:8px}.thumbnail-card{width:86px}.thumbnail-card img{width:74px;height:105px}}

/* Interactive page magnifier, shared by all five catalogs. */
.zoom-view{display:flex;flex-direction:column;overflow:hidden;touch-action:none}
.zoom-toolbar{flex-shrink:0;display:flex;align-items:center;justify-content:center;gap:8px;padding:10px max(10px,env(safe-area-inset-right)) 10px max(10px,env(safe-area-inset-left));background:#1b282a;color:white;z-index:2}
.zoom-toolbar button{padding:9px 12px;font-size:14px}.zoom-toolbar button:disabled{opacity:.4}
.zoom-toolbar .zoom-close{position:static;margin-left:auto}.zoom-toolbar #zoom-level{min-width:48px;text-align:center;font-size:13px}
.zoom-scroll{flex:1;min-height:0;height:auto;display:flex;align-items:center;justify-content:center;overflow:hidden;padding:0;touch-action:none;cursor:grab;user-select:none}
.zoom-scroll:active{cursor:grabbing}.zoom-scroll img{flex-shrink:0;width:auto;height:auto;max-width:100%;max-height:100%;object-fit:contain;margin:0;transform-origin:center;will-change:transform;pointer-events:none}
.zoom-hint{flex-shrink:0;margin:0;padding:8px 12px max(10px,env(safe-area-inset-bottom));text-align:center;color:#c1d3d5;font-size:12px}