.mos-books{padding:0 16px 26px}.mos-book-library-tabs{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:14px 0}.mos-book-library-tabs button{display:flex;align-items:center;gap:11px;border:1px solid #e1e7f2;border-radius:18px;padding:13px;background:#fff;color:var(--ink2);font:inherit;text-align:right;cursor:pointer;box-shadow:0 8px 24px rgba(44,55,95,.05);transition:.22s}.mos-book-library-tabs button>.ic{width:30px;height:30px}.mos-book-library-tabs button span{display:grid;gap:2px}.mos-book-library-tabs button b{font-size:12px}.mos-book-library-tabs button small{font-size:9px;color:var(--ink3)}.mos-book-library-tabs button.on{border-color:#4865ec;background:linear-gradient(135deg,#eef2ff,#fff 65%);color:#2545ba;box-shadow:0 10px 28px rgba(53,85,220,.13);transform:translateY(-1px)}.mos-book-controls{display:grid;grid-template-columns:1fr 132px;gap:8px}.mos-book-search{display:flex;align-items:center;gap:8px;border:1px solid #e0e6f1;border-radius:15px;padding:0 12px;background:#fff}.mos-book-search>.ic{width:19px;height:19px}.mos-book-search input,.mos-book-controls select{width:100%;height:48px;border:0!important;outline:0;background:transparent;font:inherit;font-size:11px;color:var(--ink);box-shadow:none!important}.mos-book-controls select{padding:0 10px;border:1px solid #e0e6f1!important;border-radius:15px!important;background:#fff}.mos-book-area-filter{display:flex;gap:7px;overflow:auto;padding:11px 0 15px;scrollbar-width:none}.mos-book-area-filter::-webkit-scrollbar{display:none}.mos-book-area-filter button{display:flex;align-items:center;gap:5px;white-space:nowrap;border:1px solid #dfe5f1;border-radius:99px;padding:8px 11px;background:#fff;color:var(--ink2);font:inherit;font-size:10px;font-weight:700;cursor:pointer}.mos-book-area-filter button>.ic{width:15px;height:15px}.mos-book-area-filter button.on{border-color:#4162e8;background:#3156df;color:#fff;box-shadow:0 6px 15px rgba(49,86,223,.2)}.mos-book-area-filter button.on .ic{color:#fff}.mos-book-results-head{display:flex;justify-content:space-between;align-items:end;margin:4px 1px 12px}.mos-book-results-head div{display:grid;gap:2px}.mos-book-results-head span{font-size:9px;color:var(--ink3)}.mos-book-results-head b{font-size:13px}.mos-book-results-head button{border:0;background:none;color:#d92f7b;font:inherit;font-size:9px;font-weight:800;cursor:pointer}.mos-book-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.mos-book-card{display:grid;grid-template-columns:112px 1fr;min-height:230px;border:1px solid #e2e7f1;border-radius:22px;background:#fff;overflow:hidden;position:relative;box-shadow:0 12px 32px rgba(45,55,95,.07);transition:.24s}.mos-book-card:hover{transform:translateY(-3px);box-shadow:0 17px 38px rgba(45,55,95,.12)}.mos-book-card-hit{position:absolute;inset:0;z-index:3;border:0;background:transparent;cursor:pointer}.mos-book-card-cover,.mos-book-detail-cover{aspect-ratio:1/1;display:grid;place-items:center;background:linear-gradient(145deg,#f0edff,#fef6fa);overflow:hidden}.mos-book-card-cover{align-self:start;margin:13px;border-radius:16px}.mos-book-card-cover img,.mos-book-detail-cover img{width:100%;height:100%;object-fit:contain;background:#fff}.mos-book-cover-fallback{width:100%;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:10px;color:#5e55b6}.mos-book-cover-fallback>.ic{width:34px;height:34px;margin-bottom:7px}.mos-book-cover-fallback b{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;font-size:9px;line-height:1.65}.mos-book-cover-fallback small{margin-top:4px;font-size:7px;color:#938daf}.mos-book-card-body{display:flex;flex-direction:column;min-width:0;padding:14px 14px 13px 2px}.mos-book-card-kicker{display:flex;justify-content:space-between;gap:6px;font-size:8px;color:#746da5}.mos-book-card-kicker span{color:#c42b72;font-weight:800}.mos-book-card-kicker em{font-style:normal;color:var(--ink3)}.mos-book-card h3{margin:8px 0 3px;font-size:13px;line-height:1.7}.mos-book-author{margin:0;font-size:8.5px;color:var(--ink3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.mos-book-problem{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;margin:10px 0;font-size:9px;line-height:1.85;color:var(--ink2)}.mos-book-area-chips{display:flex;gap:5px;flex-wrap:wrap;margin-top:auto}.mos-book-area-chips span{display:flex;align-items:center;gap:3px;border-radius:7px;padding:4px 6px;background:#f2f5fb;color:#53617d;font-size:7.5px;font-weight:700}.mos-book-area-chips .ic{width:12px;height:12px}.mos-book-card footer{display:flex;align-items:center;justify-content:space-between;gap:7px;margin-top:10px;padding-top:9px;border-top:1px dashed #e3e7ef}.mos-book-more{display:flex;align-items:center;gap:2px;color:#3156df;font-size:7.5px;font-weight:800}.mos-book-more .ic{width:12px;height:12px}.mos-book-info-only,.mos-book-out,.mos-book-price{font-size:8px;font-weight:800}.mos-book-info-only{color:#7a849b}.mos-book-out{color:#c22e61}.mos-book-price{color:#15213b}.mos-book-price del{font-size:7px;color:#9ca4b5}.mos-book-empty{display:grid;place-items:center;text-align:center;gap:7px;padding:45px 20px;border:1px dashed #d9dfed;border-radius:22px;background:#fff}.mos-book-empty>.ic{width:34px;height:34px}.mos-book-empty b{font-size:13px}.mos-book-empty p{margin:0;color:var(--ink3);font-size:10px}.mos-book-empty button{border:0;border-radius:11px;padding:9px 15px;background:#3156df;color:#fff;font:inherit;font-size:10px;font-weight:800}.mos-book-detail{padding:0 16px}.mos-book-detail-hero{display:grid;grid-template-columns:230px 1fr;gap:24px;padding:20px;border:1px solid #e3e7f1;border-radius:26px;background:linear-gradient(135deg,#fff,#f5f6ff);box-shadow:0 14px 38px rgba(41,53,96,.08)}.mos-book-detail-cover{width:100%;border-radius:20px;box-shadow:0 12px 24px rgba(57,52,105,.12)}.mos-book-detail-intro{align-self:center}.mos-book-detail-label{display:inline-block;border-radius:99px;padding:6px 10px;background:#eeeaff;color:#654fd0;font-size:9px;font-weight:800}.mos-book-detail-intro h1{margin:11px 0 7px;font-size:24px;line-height:1.65}.mos-book-detail-intro>p{margin:0;color:var(--ink3);font-size:10px;line-height:1.8}.mos-book-detail-meta,.mos-book-detail-areas{display:flex;flex-wrap:wrap;gap:7px;margin-top:13px}.mos-book-detail-meta span,.mos-book-detail-areas span{display:flex;align-items:center;gap:4px}.mos-book-detail-meta span{border-radius:9px;padding:7px 9px;background:#fff;color:#59657f;font-size:8px}.mos-book-detail-meta .ic,.mos-book-detail-areas .ic{width:14px;height:14px}.mos-book-detail-areas span{border-radius:10px;padding:7px 9px;background:#eef4ff;color:#3153bd;font-size:8px}.mos-book-detail-grid{display:grid;grid-template-columns:1fr 220px;gap:13px;margin-top:13px}.mos-book-detail-main{display:grid;gap:11px}.mos-book-answer{display:grid;grid-template-columns:42px 1fr;gap:10px;padding:16px}.mos-book-answer>span{display:grid;place-items:center;width:42px;height:42px;border-radius:13px;background:#f5f1ff}.mos-book-answer>span .ic{width:23px;height:23px}.mos-book-answer h2,.mos-book-detail-main .box h2{margin:0 0 6px;font-size:13px}.mos-book-answer p,.mos-book-detail-main .box p{margin:0;color:var(--ink2);font-size:10px;line-height:2}.mos-book-detail-side{align-self:start;position:sticky;top:calc(var(--head) + 12px);padding:17px}.mos-book-detail-side h3{margin:0 0 12px;font-size:13px}.mos-book-detail-side p{font-size:9px;line-height:1.8;color:var(--ink3)}.mos-book-detail-side .btn{width:100%;margin-top:10px}.mos-book-detail-side .mos-book-price{font-size:13px}.mos-book-detail-side .mos-book-info-only{font-size:10px}@media(max-width:720px){.mos-book-grid{grid-template-columns:1fr}.mos-book-card{grid-template-columns:104px 1fr}.mos-book-detail-hero{grid-template-columns:150px 1fr;gap:14px}.mos-book-detail-intro h1{font-size:19px}.mos-book-detail-grid{grid-template-columns:1fr}.mos-book-detail-side{position:static}}@media(max-width:480px){.mos-book-library-tabs{grid-template-columns:1fr}.mos-book-controls{grid-template-columns:1fr 110px}.mos-book-card{grid-template-columns:96px 1fr}.mos-book-card-cover{margin:10px}.mos-book-card-body{padding:11px 11px 11px 0}.mos-book-detail-hero{grid-template-columns:1fr}.mos-book-detail-cover{max-width:230px;margin:auto}.mos-book-detail-intro{text-align:center}.mos-book-detail-meta,.mos-book-detail-areas{justify-content:center}}@media(prefers-reduced-motion:reduce){.mos-book-card,.mos-book-library-tabs button{transition:none!important;animation:none!important}.mos-book-card:hover{transform:none}}