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0.8);border:none;border-radius:50%;width:40px;height:40px;font-size:1.2rem;cursor:pointer;z-index:100000}.mc-lb-btn--prev{left:12px}.mc-lb-btn--next{right:12px}.mc-lb-counter{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);color:#fff;font-size:.9rem;z-index:100000}.mc-lb-close{position:fixed;top:16px;right:16px;background:rgba(255, 255, 255, 0.8);border:none;border-radius:50%;width:36px;height:36px;font-size:1.1rem;cursor:pointer;z-index:100000}@media(max-width: 768px){.merchant-desc-wrap{max-height:4.32rem !important}.merchant-desc-wrap.expanded{max-height:none !important;overflow:visible !important}.contact-actions{width:100%}.contact-owner-link{width:100%;justify-content:center}.contact-actions .contact-btn{flex:1;min-width:0;justify-content:center;padding:8px 6px;font-size:.82rem}}.catalog-file-grid{display:grid;grid-template-columns:repeat(3, 1fr);gap:16px}.catalog-file-card{display:flex;flex-direction:column;background:var(--bg-white, 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0.1);color:#28a745}.catalog-file-actions{display:flex;gap:6px;padding:0 12px 12px}.catalog-file-action{flex:1;padding:6px 0;border-radius:6px;font-size:.8rem;text-decoration:none;color:var(--primary);background:rgba(212, 56, 13, 0.08);transition:background .2s;display:flex;align-items:center;justify-content:center;gap:4px;border:none;cursor:pointer}.catalog-file-action:hover{background:rgba(212, 56, 13, 0.15)}.catalog-file-action.is-view::after{content:"";position:absolute;inset:0;z-index:1}.catalog-file-action:not(.is-view){position:relative;z-index:2}.catalog-layout{display:flex;gap:20px}.catalog-sidebar{width:180px;flex-shrink:0;position:sticky;top:80px;align-self:flex-start;background:var(--bg-white, #fff);border-radius:var(--border-radius-lg, 10px);padding:12px;border:1px solid var(--border-color, #eee)}.catalog-cat-list{list-style:none;padding:0;margin:0}.catalog-cat-list>li{margin-bottom:8px}.catalog-cat-list>li>strong{display:block;font-size:.85rem;padding:4px 0;color:var(--text-primary)}.catalog-cat-list ul{list-style:none;padding-left:12px;margin:0}.catalog-cat-list ul li a{display:block;padding:3px 0;font-size:.8rem;color:var(--text-muted);text-decoration:none}.catalog-cat-list ul li a:hover{color:var(--primary)}.catalog-cat-list ul li a.cat-empty{color:#ccc;cursor:pointer}.catalog-cat-list ul li a.cat-empty:hover{color:#999}.catalog-toast{position:fixed;bottom:30px;left:50%;transform:translateX(-50%) translateY(20px);background:rgba(0, 0, 0, 0.75);color:#fff;padding:10px 24px;border-radius:8px;font-size:.85rem;opacity:0;pointer-events:none;transition:opacity .3s,transform .3s;z-index:9999;white-space:nowrap}.catalog-toast.show{opacity:1;transform:translateX(-50%) translateY(0)}#pdfQualityToast{top:50%;bottom:auto;transform:translate(-50%, -50%)}#pdfQualityToast.show{opacity:1;transform:translate(-50%, -50%)}.pdf-viewer-header{display:flex;align-items:center;gap:12px;padding:10px 0;margin-bottom:8px;border-bottom:1px solid 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span{font-size:.65rem;color:var(--text-muted);background:var(--bg-light, #f5f5f5);padding:1px 6px;border-radius:3px}@media(max-width: 768px){.catalog-file-grid{grid-template-columns:repeat(2, 1fr);gap:12px}.catalog-layout{flex-direction:column}.catalog-sidebar{width:100%;position:static}.catalog-cat-list{display:flex;flex-wrap:wrap;gap:6px 12px}.catalog-cat-list>li{margin-bottom:0}.catalog-item-grid{grid-template-columns:repeat(2, 1fr)}.merchant-tab{padding:8px 14px;font-size:.85rem;flex:1 0 auto}}