:root{--bg-base:#fff;--bg-surface:#fff;--text-main:#111;--text-sub:#666;--hover-color:#f2f2f2;--primary-color:#004add;--primary-light:#e8f0fe;--border-color:#e5e5e5;--header-height:60px;--sidebar-width:235px;--sidebar-collapsed-width:74px;--space-sm:10px;--space-md:20px;--font-sm:14px;--font-md:16px}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-base);color:var(--text-main);font-family:Inter,-apple-system,BlinkMacSystemFont,Helvetica Neue,sans-serif}@media (hover:hover){.icon-btn:hover,.header-center button:hover{background-color:var(--hover-color)}}@media (width<=768px){.header{padding:8px}.header-right{display:none}#menu-btn{display:none!important}.header-left{flex-shrink:0;gap:0}.logo{gap:6px;font-size:16px}.logo-icon{height:22px}.header-center{flex-grow:0;justify-content:flex-end;margin:0 10px 0 auto}.header-center 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#search-back-btn{color:var(--primary-color);background-color:#0000!important;border:none!important;border-radius:50%!important;flex-shrink:0!important;justify-content:center!important;align-items:center!important;width:40px!important;height:40px!important;margin:0!important;padding:0!important;display:flex!important}.header-center.search-active #search-btn{background-color:#0000!important;border:none!important;border-radius:50%!important;flex-shrink:0!important;justify-content:center!important;align-items:center!important;width:40px!important;height:40px!important;margin:0!important;padding:0!important;display:flex!important}.header-center.search-active input{background-color:#f8f8f8;border:1px solid #ccc;border-radius:20px;flex-grow:1;min-width:0;height:36px;margin:0 5px;padding:0 16px;font-size:16px;display:block}}@keyframes filterPanelIn{0%{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}@media (hover:hover){.filter-header 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(hover:hover){.menu-item:hover{background-color:var(--bg-surface);border-color:var(--primary-color)}}.menu-item.active{border-color:var(--primary-color);background-color:var(--bg-surface)}.menu-icon{font-size:30px}.content{margin-left:var(--sidebar-width);width:100%;padding:15px}.content.collapsed{margin-left:var(--sidebar-collapsed-width)}.slide-grid{grid-template-columns:repeat(3,1fr);gap:8px;display:grid}.slide-grid--five{grid-template-columns:repeat(4,1fr)}.search-result-groups{flex-direction:column;gap:16px;display:flex}.search-text-group{background-color:var(--bg-surface);border:1px solid #eee;border-radius:12px;flex-direction:column;gap:4px;padding:8px;display:flex}.search-text-group .recommendation-card:not(:last-child){border-bottom:1px solid #f0f0f0;border-radius:0;padding-bottom:8px}@media (hover:hover){.search-text-group 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#ddd;z-index:2000!important;background-color:var(--bg-surface)!important;flex-direction:row!important;justify-content:space-around!important;align-items:center!important;width:100%!important;height:60px!important;padding:0!important;display:flex!important;position:fixed!important;top:auto!important;bottom:0!important;left:0!important;overflow:visible!important;transform:none!important}.menu-item{border:none!important;border-radius:0!important;flex-direction:column!important;flex:1!important;justify-content:center!important;gap:2px!important;padding:4px!important}@media (hover:hover){.menu-item:hover{background-color:#0000!important;border:none!important}}.menu-item.active{color:var(--primary-color)!important;background-color:#0000!important;border:none!important}.sidebar.collapsed 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.news-card-body--left{flex:none!important;width:100%!important;padding:10px 12px!important}.news-card:not(.news-card--with-thumb){box-shadow:0 2px 12px #0000001f!important}#channel-text-grid .news-card.news-card--with-thumb{flex-direction:row!important;align-items:center!important;box-shadow:0 2px 6px #00000014!important}#channel-text-grid .news-card--with-thumb .news-card-thumb{width:40%!important;aspect-ratio:unset!important;border-radius:8px!important;flex:0 0 40%!important;order:-1!important;overflow:hidden!important}#channel-text-grid .news-card--with-thumb .news-card-thumb-img{object-fit:contain!important;border-radius:6px!important;width:100%!important;height:auto!important}#channel-text-grid .news-card--with-thumb .news-card-body--left{flex:1 1 0!important;width:auto!important;min-width:0!important;padding:4px 4px 4px 8px!important}#channel-text-grid 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#004add1a}.news-card:hover{border-color:var(--primary-color)}.channel-icon:hover{background-color:var(--primary-light);color:var(--primary-color);box-shadow:0 0 12px #004add4d}.channel-name:hover{color:var(--primary-color);text-shadow:0 0 12px #004add66}}.featured-news-card{background-color:var(--bg-surface);cursor:pointer;border:2px solid #0000;border-radius:14px;flex-direction:row;align-items:stretch;transition:border-color .2s,box-shadow .2s;display:flex;position:relative;overflow:hidden}@media (hover:hover){.featured-news-card:hover{border-color:var(--primary-color)}}.featured-news-thumb{background-color:#f0f0f0;border-radius:12px 0 0 12px;flex:0 0 40%;overflow:hidden}.featured-news-thumb-img{object-fit:cover;object-position:center;width:100%;height:100%;transition:transform .35s;display:block}.featured-news-body{flex-direction:column;flex:0 0 60%;justify-content:flex-start;min-width:0;padding:16px 16px 12px;display:flex;position:relative}.featured-news-title{-webkit-line-clamp:3;line-clamp:3;color:var(--text-main);-webkit-box-orient:vertical;margin:0;font-size:26px;font-weight:800;line-height:1.45;display:-webkit-box;overflow:hidden}.featured-news-preview{color:#aaa;-webkit-line-clamp:5;line-clamp:5;-webkit-box-orient:vertical;margin:10px 0 0;font-size:13px;line-height:1.6;display:-webkit-box;overflow:hidden}.featured-news-meta{align-items:center;gap:8px;margin-top:auto;padding-top:10px;display:flex}@media (width<=768px){.featured-news-card{display:none}}@media (width>=769px){.news-grid--mobile-all>.news-card:first-child{display:none}.news-grid--mobile-all{margin-top:20px}}.news-card{background-color:var(--bg-surface);cursor:pointer;border:2px solid #0000;border-radius:12px;width:100%;margin-bottom:5px;transition:border-color .2s;position:relative;overflow:hidden}.news-card.news-card--with-thumb{flex-direction:row;align-items:stretch;display:flex}.news-card:not(.news-card--with-thumb){flex-direction:column;display:flex}.news-card--with-thumb .news-card-body--left{flex-direction:column;flex:1 1 0;justify-content:space-between;min-width:0;padding:4px;display:flex;position:relative;overflow:hidden}.news-card-body--text-only{flex-direction:column;flex:auto;justify-content:space-between;padding:14px 16px;display:flex;overflow:hidden}.news-card--with-thumb .news-card-thumb{background-color:#fff;border-radius:10px;flex:0 0 40%;justify-content:center;align-items:center;display:flex;overflow:hidden}.news-card--with-thumb .news-card-thumb-img{object-fit:contain;object-position:center;width:100%;height:100%;display:block}.news-card .news-card-title{-webkit-line-clamp:4;line-clamp:4;-webkit-box-orient:vertical;margin:0 0 6px;font-size:20px;line-height:1.45;display:-webkit-box;overflow:hidden}.news-card .news-meta{align-items:center;gap:8px;margin-top:auto;padding-top:6px;display:flex}.news-card .news-badge{background-color:var(--primary-color);color:#fff;letter-spacing:.5px;border-radius:20px;padding:2px 8px;font-size:11px;font-weight:700}.thumbnail{aspect-ratio:16/9;color:#888;background-color:#e0e0e0;border-radius:12px;justify-content:center;align-items:center;width:100%;margin-bottom:12px;display:flex}.slide-info-wrapper{gap:12px;padding:0 8px 8px;display:flex}.channel-icon{background-color:#ccc;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;transition:all .3s;display:flex}.slide-title{-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;margin-bottom:3px;font-size:16px;display:-webkit-box;overflow:hidden}.channel-name{color:#606060;width:fit-content;font-size:14px;transition:all .3s}.upload-date{color:#606060;font-size:14px}#channel-slide-grid .channel-icon,#channel-slide-grid .channel-name,#channel-text-grid 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Outlined;font-size:16px}.crop-canvas-wrapper{background:#1a1a2e;border-radius:10px;justify-content:center;align-items:center;width:100%;min-height:200px;display:flex;overflow:hidden}.crop-loading{color:#aaa;justify-content:center;align-items:center;display:flex}.crop-modal-actions{gap:10px;width:100%;display:flex}canvas:active{cursor:grabbing!important}.news-category-tabs{scrollbar-width:none;-ms-overflow-style:none;touch-action:pan-x;overscroll-behavior-x:contain;-webkit-overflow-scrolling:touch;border-bottom:2px solid #eee;gap:0;margin-bottom:20px;display:flex;overflow:auto hidden}.news-category-tabs::-webkit-scrollbar{display:none}.news-category-tab{color:var(--text-sub);cursor:pointer;white-space:nowrap;background:0 0;border:none;border-bottom:3px solid #0000;flex-shrink:0;margin-bottom:-2px;padding:10px 18px;font-size:14px;font-weight:600;transition:color .2s,border-color .2s}.news-category-tab.active{color:var(--primary-color);border-bottom-color:var(--primary-color)}@media 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