:root{--blue:#2563eb;--blue-dark:#1d4ed8;--bg:#f6f8fc;--card:#fff;--panel:#f8fafc;--text:#1e293b;--muted:#64748b;--border:#e2e8f0;--radius:14px;--shadow:0 1px 3px #0f172a0f, 0 8px 24px #0f172a0d;--vs-highlight:#f0f7ff}:root[data-theme=dark]{--blue:#3b82f6;--blue-dark:#60a5fa;--bg:#0f172a;--card:#1e293b;--panel:#223049;--text:#e2e8f0;--muted:#94a3b8;--border:#334155;--shadow:0 1px 3px #0006, 0 8px 24px #00000059;--vs-highlight:#3b82f61f;color-scheme:dark}[data-theme=dark] .btn,[data-theme=dark] .lang-btn,[data-theme=dark] .theme-btn{background:var(--card)}[data-theme=dark] .input,[data-theme=dark] input,[data-theme=dark] textarea,[data-theme=dark] select{background:var(--bg);color:var(--text);border-color:var(--border)}[data-theme=dark] .nav-link:hover{color:var(--text);background:#ffffff0f}[data-theme=dark] .nav-link.active{color:#93c5fd;background:#3b82f629}[data-theme=dark] .hero{background:radial-gradient(circle at 10% 20%,#3b82f61f 0%,#0000 40%),radial-gradient(circle at 90% 80%,#ec489914 0%,#0000 40%),linear-gradient(#3b82f614,#0000)}[data-theme=dark] .cb-dev,[data-theme=dark] .cb-oversea,[data-theme=dark] .cb-pdf,[data-theme=dark] .cb-convert,[data-theme=dark] .cb-image,[data-theme=dark] .cb-text,[data-theme=dark] .cb-media,[data-theme=dark] .cb-life,[data-theme=dark] .cb-fun,[data-theme=dark] .cb-calc{--cat-bg:#ffffff08}[data-theme=dark] .tool-tag{background:#ffffff17!important}[data-theme=dark] .calc-hero-val,[data-theme=dark] .calc-res{color:#60a5fa}[data-theme=dark] .calc-hero{background:linear-gradient(180deg, #3b82f61a, var(--card))}[data-theme=dark] .calc-stat.active{background:#3b82f629}[data-theme=dark] .calc-chip.active{color:#fff;background:#3b82f6;border-color:#3b82f6}[data-theme=dark] .hero-badge,[data-theme=dark] .entry-card,[data-theme=dark] .hero-search,[data-theme=dark] .big-search{background:var(--card)}[data-theme=dark] .header{background:#0f172ad9}[data-theme=dark] .footer{background:var(--card)}[data-theme=dark] 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var(--border);background:var(--card);width:36px;height:36px;color:var(--text);box-shadow:var(--shadow);cursor:pointer;border-radius:50%;justify-content:center;align-items:center;padding:0;font-size:22px;line-height:1;display:none;position:absolute;top:50%;transform:translateY(-50%)}.cat-arrow:hover{border-color:var(--blue);color:var(--blue)}.cat-arrow.left{left:-10px}.cat-arrow.right{right:-10px}@media (hover:hover) and (width>=760px){.cat-arrow{display:flex}}@media (width<=760px){.cat-scroll>.tool-card{flex:0 0 74vw;max-width:300px}}.cmd-palette-backdrop{backdrop-filter:blur(4px);z-index:9999;background:#00000080;justify-content:center;align-items:flex-start;padding-top:10vh;animation:.15s ease-out fadeIn;display:flex;position:fixed;inset:0}.cmd-palette-modal{background:var(--card);border:1px solid var(--border);border-radius:16px;flex-direction:column;width:92%;max-width:640px;animation:.2s ease-out slideDown;display:flex;overflow:hidden;box-shadow:0 20px 40px #00000040}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideDown{0%{opacity:0;transform:translateY(-12px)}to{opacity:1;transform:translateY(0)}}.cmd-palette-input-wrap{border-bottom:1px solid var(--border);background:var(--card);align-items:center;gap:12px;padding:14px 18px;display:flex}.cmd-palette-search-icon{color:var(--muted);font-size:18px}.cmd-palette-input{color:var(--text);background:0 0;border:none;outline:none;flex:1;font-family:inherit;font-size:16px}.cmd-palette-esc-kbd{background:var(--panel);border:1px solid var(--border);color:var(--muted);border-radius:6px;padding:3px 7px;font-family:ui-monospace,monospace;font-size:11px}.cmd-palette-results{max-height:380px;padding:8px;overflow-y:auto}.cmd-palette-section-title{color:var(--muted);padding:8px 12px 6px;font-size:12px;font-weight:700}.cmd-palette-item{cursor:pointer;border-radius:10px;align-items:center;gap:12px;margin-bottom:2px;padding:10px 14px;transition:background .12s;display:flex}.cmd-palette-item:hover,.cmd-palette-item.selected{background:var(--blue);color:#fff}.cmd-palette-item:hover .cmd-palette-item-desc,.cmd-palette-item.selected .cmd-palette-item-desc{color:#ffffffd9}.cmd-palette-item:hover .cmd-palette-item-tag,.cmd-palette-item.selected .cmd-palette-item-tag{color:#fff;background:#fff3;border-color:#0000}.cmd-palette-item-icon{flex-shrink:0;font-size:20px}.cmd-palette-item-info{flex:1;overflow:hidden}.cmd-palette-item-name{white-space:nowrap;text-overflow:ellipsis;font-size:14.5px;font-weight:600;overflow:hidden}.cmd-palette-item-desc{color:var(--muted);white-space:nowrap;text-overflow:ellipsis;margin-top:2px;font-size:12.5px;overflow:hidden}.cmd-palette-item-tag{background:var(--panel);border:1px solid var(--border);color:var(--muted);border-radius:6px;flex-shrink:0;padding:2px 8px;font-family:ui-monospace,monospace;font-size:11px}.cmd-palette-empty{text-align:center;color:var(--muted);padding:32px 16px;font-size:14px}.cmd-palette-footer{background:var(--panel);border-top:1px solid var(--border);color:var(--muted);justify-content:space-between;align-items:center;padding:10px 18px;font-size:12px;display:flex}.cmd-palette-footer kbd{background:var(--card);border:1px solid var(--border);color:var(--text);border-radius:4px;padding:1px 5px;font-family:ui-monospace,monospace;font-size:11px}.cmd-trigger-btn{background:var(--panel);border:1px solid var(--border);color:var(--muted);cursor:pointer;border-radius:8px;align-items:center;gap:6px;margin-right:4px;padding:5px 10px;font-size:13px;transition:all .15s;display:inline-flex}.cmd-trigger-btn:hover{border-color:var(--blue);color:var(--blue)}.cmd-trigger-btn kbd{background:var(--card);border:1px solid var(--border);border-radius:4px;padding:1px 5px;font-family:ui-monospace,monospace;font-size:11px}.data-handling-notice{border:1px solid var(--border);border-left:3px solid var(--blue);background:var(--card);color:var(--muted);border-radius:8px;align-items:flex-start;gap:10px;margin:14px 0 20px;padding:11px 14px;font-size:13px;line-height:1.55;display:flex}.data-handling-notice strong{color:var(--text);flex:none}@media (width<=640px){.vs-index-grid{grid-template-columns:1fr}.vs-index-hero h1{font-size:27px}.vs-answer,.vs-method{grid-template-columns:1fr;gap:18px}.vs-sources ul{grid-template-columns:1fr}.data-handling-notice{flex-direction:column;gap:3px}}