:root{--primary-color:#4f46e5;--primary-hover:#4338ca;--primary-glow:rgba(99,102,241,.12);--accent-color:#7c3aed;--accent-hover:#6d28d9;--bg-color:#f8fafc;--card-bg:#fff;--card-border:#e2e8f0;--text-color:#0f172a;--text-muted:#64748b;--text-light:#94a3b8;--text-link:#2563eb;--success-color:#10b981;--warning-color:#f59e0b;--danger-color:#ef4444;--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--max-width:1200px;--radius-sm:6px;--radius-md:10px;--radius-lg:14px;--radius-xl:18px;--shadow-sm:0 1px 3px rgba(0,0,0,.05);--shadow-md:0 4px 12px rgba(0,0,0,.05);--shadow-lg:0 8px 24px rgba(99,102,241,.08);--transition:all .25s cubic-bezier(.4, 0, .2, 1)}*{box-sizing:border-box;margin:0;padding:0}[v-cloak]{display:none!important}body{background-color:var(--bg-color);color:var(--text-color);font-family:var(--font-sans);flex-direction:column;min-height:100vh;line-height:1.6;display:flex;position:relative;overflow-x:hidden}body:before{content:"";z-index:-1;pointer-events:none;background:radial-gradient(400px at 50% 80px,rgba(99,102,241,.05),transparent 80%),radial-gradient(300px at 20% 250px,rgba(168,85,247,.04),transparent 80%);width:100%;max-width:1400px;height:500px;position:absolute;top:0;left:50%;transform:translate(-50%)}.lang-nav-container{max-width:var(--max-width);-webkit-backdrop-filter:blur(10px);z-index:100;background:rgba(255,255,255,.85);border-bottom:1px solid rgba(0,0,0,.05);width:100%;margin:0 auto;position:relative}.lang-nav{max-width:var(--max-width);flex-wrap:nowrap;align-items:center;gap:12px;max-height:42px;margin:0 auto;padding:10px 0;transition:max-height .3s;display:flex;overflow:hidden}.lang-nav-container:hover .lang-nav,.lang-nav:hover{flex-wrap:wrap;max-height:280px;overflow:visible}.lang-nav a,.footer-lang-nav a{color:var(--text-muted);transition:var(--transition);white-space:nowrap;padding:4px 6px;font-size:13px;font-weight:500;text-decoration:none;display:inline-block}.lang-nav a:hover,.footer-lang-nav a:hover{color:var(--primary-color);text-decoration:underline;transform:translateY(-1px)}.footer-lang-nav a{background:rgba(99,102,241,.05);border:1px solid rgba(99,102,241,.08);border-radius:6px;padding:4px 10px;font-size:12px}.footer-lang-nav a:hover{color:var(--primary-color);background:rgba(99,102,241,.1);border-color:rgba(99,102,241,.2);text-decoration:none;transform:translateY(-1px)}.app-container{max-width:var(--max-width);flex-direction:column;flex:1;width:100%;margin:0 auto;padding:16px 0 30px;display:flex}.app-body{width:100%}.brand-section{justify-content:space-between;align-items:center;gap:30px;width:100%;margin-bottom:12px;display:flex}.brand-info{flex-direction:column;flex:1;align-items:flex-start;min-width:0;display:flex}.toolbox-badge-wrapper{align-items:center;gap:8px;margin-bottom:6px;display:flex}.toolbox-badge{color:var(--primary-color);transition:var(--transition);background:linear-gradient(135deg,rgba(99,102,241,.08),rgba(168,85,247,.08));border:1px solid rgba(99,102,241,.2);border-radius:30px;align-items:center;gap:5px;padding:3px 10px;font-size:11px;font-weight:600;text-decoration:none;display:inline-flex}.toolbox-badge:hover{border-color:rgba(168,85,247,.4);transform:translateY(-1px)}.toolbox-badge svg{fill:currentColor;width:12px;height:12px}.toolbox-category{color:var(--text-muted);font-size:12px}.app-header{text-align:left}.app-title-wrap{align-items:center;gap:10px;margin-bottom:4px;display:flex}.app-title-icon{background:linear-gradient(135deg, var(--primary-color), var(--accent-color));color:#fff;border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;width:32px;height:32px;display:flex}.app-title{color:#0f172a;font-size:1.6rem;font-weight:700;line-height:1.2}.app-description{color:var(--text-muted);font-size:.92rem;line-height:1.4}.header-ad{background:rgba(0,0,0,.02);border:1px solid rgba(0,0,0,.04);border-radius:12px;flex-shrink:0;justify-content:center;align-items:center;width:728px;height:90px;display:flex;overflow:hidden}.card-section{background:var(--card-bg);border:1px solid var(--card-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);transition:var(--transition);margin-bottom:18px;padding:20px}.upload-dropzone{border-radius:var(--radius-xl);text-align:center;cursor:pointer;transition:var(--transition);background:#fff;border:2px dashed #cbd5e1;margin-bottom:18px;padding:32px 20px;position:relative}.upload-dropzone:hover,.upload-dropzone.is-dragover{border-color:var(--primary-color);box-shadow:var(--shadow-md);background:rgba(99,102,241,.02);transform:translateY(-2px)}.hidden-file-input{display:none}.dropzone-inner{flex-direction:column;justify-content:center;align-items:center;gap:10px;display:flex}.dropzone-icon{width:52px;height:52px;color:var(--primary-color);transition:var(--transition);background:rgba(99,102,241,.08);border-radius:50%;justify-content:center;align-items:center;display:flex}.upload-dropzone:hover .dropzone-icon{background:var(--primary-color);color:#fff;transform:scale(1.08)}.dropzone-title{color:var(--text-color);font-size:1.15rem;font-weight:600}.dropzone-btn-pill{background:var(--primary-color);color:#fff;transition:var(--transition);border-radius:30px;align-items:center;gap:6px;padding:8px 18px;font-size:.9rem;font-weight:500;display:inline-flex;box-shadow:0 4px 12px rgba(79,70,229,.25)}.dropzone-btn-pill:hover{background:var(--primary-hover)}.dropzone-subtitle{color:var(--text-muted);font-size:.85rem}.kbd-shortcut{color:#475569;background:#f1f5f9;border:1px solid #cbd5e1;border-radius:4px;padding:2px 6px;font-family:inherit;font-size:.78rem;font-weight:600}.dropzone-sample-btn{color:var(--primary-color);cursor:pointer;background:0 0;border:none;padding:2px 4px;font-size:.85rem;font-weight:500;text-decoration:underline}.dropzone-sample-btn:hover{color:var(--accent-color)}.overview-grid{grid-template-columns:340px 1fr;align-items:start;gap:20px;display:grid}.player-card{border:1px solid var(--card-border);border-radius:var(--radius-md);background:#f8fafc;flex-direction:column;gap:12px;padding:16px;display:flex}.player-screen-wrap{border-radius:var(--radius-sm);background:repeating-conic-gradient(#e2e8f0 0%,#e2e8f0 25%,#fff 0%,#fff 50%) 50%/20px 20px;border:1px solid #cbd5e1;justify-content:center;align-items:center;width:100%;height:220px;display:flex;position:relative;overflow:hidden}.player-img{object-fit:contain;max-width:100%;max-height:100%;image-rendering:pixelated}.player-badge-current{color:#fff;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:rgba(15,23,42,.75);border-radius:12px;padding:2px 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#e2e8f0;flex-direction:column;gap:4px;padding:10px 12px;display:flex}.stat-label{color:var(--text-muted);font-size:11px;font-weight:500}.stat-value{color:var(--text-color);font-size:1.1rem;font-weight:700}.stat-value-sm{font-size:.95rem}.actions-bar{border:1px solid var(--card-border);border-radius:var(--radius-md);background:#f8fafc;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-top:14px;padding:14px 18px;display:flex}.actions-left,.actions-right{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.form-group-inline{color:var(--text-muted);align-items:center;gap:6px;font-size:13px;font-weight:500;display:flex}.form-select,.form-input{border-radius:var(--radius-sm);color:var(--text-color);transition:var(--transition);background:#fff;border:1px solid #cbd5e1;outline:none;padding:6px 10px;font-size:13px}.form-select:focus,.form-input:focus{border-color:var(--primary-color);box-shadow:0 0 0 2px 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input[type=checkbox]{width:16px;height:16px;accent-color:var(--primary-color);cursor:pointer}.frames-grid-wrapper{scrollbar-width:thin;scrollbar-color:rgba(99,102,241,.25) rgba(0,0,0,.03);max-height:545px;padding-bottom:4px;padding-right:6px;overflow-y:auto}.frames-grid-wrapper::-webkit-scrollbar{width:6px}.frames-grid-wrapper::-webkit-scrollbar-track{background:rgba(0,0,0,.03);border-radius:4px}.frames-grid-wrapper::-webkit-scrollbar-thumb{background:rgba(99,102,241,.25);border-radius:4px}.frames-grid-wrapper::-webkit-scrollbar-thumb:hover{background:rgba(99,102,241,.45)}.frames-grid{grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:14px;display:grid}.frame-card{border-radius:var(--radius-md);transition:var(--transition);background:#fff;border:1px solid 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6px;font-size:10px;font-weight:700;position:absolute;top:6px;left:6px}.frame-check-wrap{background:rgba(255,255,255,.85);border-radius:4px;padding:2px;line-height:1;position:absolute;top:6px;right:6px}.frame-card-body{flex-direction:column;flex:1;justify-content:space-between;gap:8px;padding:10px;display:flex}.frame-card-meta{color:var(--text-muted);justify-content:space-between;align-items:center;font-size:11px;display:flex}.frame-delay-badge{color:#475569;background:#f1f5f9;border-radius:4px;padding:2px 6px;font-weight:600}.frame-card-btn{width:100%}.progress-banner{border-radius:var(--radius-md);background:#eef2ff;border:1px solid #c7d2fe;flex-direction:column;gap:6px;margin:12px 0;padding:12px 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#e2e8f0;gap:12px;padding:14px;display:flex}.guide-step-num{background:var(--primary-color);color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:28px;height:28px;font-size:13px;font-weight:700;display:flex}.guide-step-title{margin-bottom:4px;font-size:.95rem;font-weight:600}.guide-step-desc{color:var(--text-muted);font-size:.85rem;line-height:1.4}.features-grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:16px;margin-top:14px;display:grid}.feature-card{border-radius:var(--radius-md);transition:var(--transition);background:#f8fafc;border:1px solid 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14px;width:100%;padding:4px 0 8px;display:flex}.footer-links{align-items:center;gap:20px;display:flex}.footer-link{color:var(--primary-color);transition:var(--transition);background:rgba(99,102,241,.04);border:1px solid rgba(99,102,241,.2);border-radius:20px;padding:5px 12px;font-size:13px;font-weight:500;text-decoration:none}.footer-link:hover{background:rgba(99,102,241,.08);border-color:rgba(99,102,241,.4)}@media (max-width:1024px){.brand-section{flex-direction:column;align-items:flex-start;gap:16px}.overview-grid{grid-template-columns:1fr}.player-screen-wrap{height:260px}}@media (max-width:768px){.header-ad{display:none}.lang-nav,.app-container{padding-left:12px;padding-right:12px}.actions-bar{flex-direction:column;align-items:stretch}.actions-left,.actions-right{justify-content:space-between;width:100%}.frames-grid-wrapper{max-height:440px}.frames-grid{grid-template-columns:repeat(auto-fill,minmax(140px,1fr))}}ins.adsbygoogle[data-ad-status=unfilled]{height:0!important;min-height:0!important;margin:0!important;padding:0!important;display:none!important}.ad-container:has(ins[data-ad-status=unfilled]){height:0!important;min-height:0!important;margin:0!important;padding:0!important;display:none!important}.ad-slot:has(ins[data-ad-status=unfilled]){height:0!important;min-height:0!important;margin:0!important;padding:0!important;display:none!important}.header-ad:has(ins[data-ad-status=unfilled]){height:0!important;min-height:0!important;margin:0!important;padding:0!important;display:none!important}