.main-content{max-width:1100px;margin:2rem auto;padding:0 1.5rem;font-family:'Segoe UI',system-ui,sans-serif}.content-wrapper{display:flex;flex-direction:column}.filter-tabs-bar{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid #e2e8f0;border-radius:10px 10px 0 0;overflow:hidden;background:#fff}.filter-tab{text-align:center;padding:.8rem 1rem;font-size:.95rem;font-weight:500;color:#4a5568;text-decoration:none;border-right:1px solid #e2e8f0;transition:background .15s,color .15s;cursor:pointer;user-select:none}.filter-tab:last-child{border-right:none}.filter-tab:hover{background:#f7fafc;color:#2b6cb0}.filter-tab.active{background:#fff;color:#1a202c;font-weight:700;box-shadow:inset 0 -3px 0 #2b6cb0}.software-grid{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid #e2e8f0;border-top:none;background:#fff;transition:opacity .18s}.software-grid.loading{opacity:.35;pointer-events:none}.software-row{border-right:1px solid #e2e8f0;border-bottom:1px solid #e2e8f0}.software-row:nth-child(3n){border-right:none}.software-row .row-link{display:flex;align-items:center;gap:.9rem;padding:.95rem 1.1rem;text-decoration:none;color:inherit;transition:background .15s}.software-row .row-link:hover{background:#f7fafc}.row-icon{width:48px;height:48px;flex-shrink:0;border-radius:10px;overflow:hidden;background:#edf2f7;display:flex;align-items:center;justify-content:center;color:#718096;font-size:1.4rem}.row-icon img{width:100%;height:100%;object-fit:cover}.row-info{flex:1;min-width:0}.row-title{font-size:.88rem;font-weight:600;color:#1a202c;margin:0 0 .28rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.row-meta{display:flex;gap:.8rem;font-size:.78rem;color:#718096}.row-meta i{font-size:.72rem;margin-right:2px;color:#a0aec0}.show-more-bar{border:1px solid #e2e8f0;border-top:none;border-radius:0 0 10px 10px;background:#fff;text-align:right;padding:.55rem 1rem}.show-more-btn{background:none;border:none;color:#2b6cb0;font-size:.9rem;font-weight:600;cursor:pointer;display:inline-flex;align-items:center;gap:.4rem;padding:.3rem .5rem;border-radius:6px;transition:background .15s}.show-more-btn:hover{background:#ebf8ff}.show-more-btn:disabled{opacity:.4;cursor:not-allowed}.ad-banner{margin-top:1.5rem;background:#f1f5f9;border-radius:10px;min-height:90px}body.dark-theme .filter-tabs-bar,body.dark-theme .software-grid,body.dark-theme .show-more-bar{background:#1e2533;border-color:#2d3748}body.dark-theme .filter-tab{color:#a0aec0}body.dark-theme .filter-tab.active{color:#e2e8f0;box-shadow:inset 0 -3px 0 #4299e1}body.dark-theme .filter-tab:hover{background:#2d3748}body.dark-theme .software-row{border-color:#2d3748}body.dark-theme .software-row .row-link:hover{background:#2d3748}body.dark-theme .row-title{color:#e2e8f0}body.dark-theme .row-meta{color:#718096}body.dark-theme .row-icon{background:#2d3748;color:#a0aec0}body.dark-theme .show-more-btn{color:#60a5fa}body.dark-theme .show-more-btn:hover{background:#1e3a5f}body.dark-theme .ad-banner{background:#1e2533}@media (max-width:820px){.software-grid{grid-template-columns:repeat(2,1fr)}.software-row:nth-child(3n){border-right:1px solid #e2e8f0}.software-row:nth-child(2n){border-right:none}body.dark-theme .software-row:nth-child(3n){border-right:1px solid #2d3748}body.dark-theme .software-row:nth-child(2n){border-right:none}}@media (max-width:480px){.software-grid{grid-template-columns:1fr}.software-row{border-right:none!important}.filter-tab{font-size:.8rem;padding:.65rem .3rem}}