:root{--bg-color:#f8fafc;--text-color:#1e293b;--primary-color:#3b82f6;--primary-hover:#2563eb;--border-color:#e2e8f0;--card-bg:#fff;--secondary-bg:#f1f5f9;--pane-shadow:0 4px 12px rgba(0,0,0,.05);--header-height:40px}.theme-dark{--bg-color:#0f172a;--text-color:#f1f5f9;--primary-color:#60a5fa;--primary-hover:#3b82f6;--border-color:#334155;--card-bg:#1e293b;--secondary-bg:#0f172a;--pane-shadow:0 4px 20px rgba(0,0,0,.4)}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-color);font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Noto Sans,Ubuntu,Cantarell,Helvetica Neue,sans-serif;line-height:1.6;transition:background-color .3s,color .3s}[v-cloak]{display:none!important}.page{width:100%;max-width:1100px;margin:0 auto;padding:0 20px}.header{height:var(--header-height);background-color:var(--card-bg);border-bottom:1px solid var(--border-color);z-index:100;align-items:center;width:100%;max-width:1100px;margin:0 auto;padding:0 20px;transition:all .3s;display:flex}.header-content{justify-content:space-between;align-items:center;width:100%;display:flex}.logo{align-items:center;gap:8px;font-size:16px;font-weight:600;display:flex}.logo a{color:var(--primary-color);text-decoration:none}.logo .divider{color:var(--border-color)}.logo .tool-name{color:var(--text-color);font-size:inherit;font-weight:inherit;margin:0;display:inline}.header-actions{gap:12px;display:flex}.icon-btn{border:1px solid var(--border-color);cursor:pointer;background:0 0;background-color:var(--card-bg);color:var(--text-color);border-radius:8px;align-items:center;gap:6px;padding:6px 10px;font-size:16px;transition:all .2s;display:flex}.icon-btn:hover{border-color:var(--primary-color);background-color:var(--secondary-bg)}.main-container{padding:20px 0}.tool-section{grid-template-columns:1fr 1fr;align-items:stretch;gap:20px;margin-bottom:30px;display:grid}.editor-pane,.preview-pane{flex-direction:column;height:560px;display:flex}.pane-header{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;margin-bottom:12px;display:flex}.pane-header h3{text-transform:uppercase;letter-spacing:.5px;color:#94a3b8;font-size:14px;font-weight:600}.pane-actions,.preview-controls{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.zoom-group{background:var(--secondary-bg);border:1px solid var(--border-color);border-radius:8px;flex-wrap:nowrap;align-items:center;padding:2px;display:flex;box-shadow:inset 0 1px 2px rgba(0,0,0,.05)}.zoom-group .btn-icon{white-space:nowrap;cursor:pointer;color:var(--text-color);background:0 0;border:none;border-radius:6px;padding:6px 12px;font-size:13px;font-weight:600;transition:all .2s}.zoom-value-btn{min-width:60px;color:var(--primary-color)!important}.zoom-group .btn-icon:hover{background:var(--card-bg);color:var(--primary-color);box-shadow:0 2px 4px rgba(0,0,0,.05)}.zoom-group .btn-icon:active{transform:translateY(1px)}.btn{cursor:pointer;white-space:nowrap;border:1px solid transparent;border-radius:8px;justify-content:center;align-items:center;gap:6px;padding:8px 16px;font-size:14px;font-weight:500;transition:all .2s;display:inline-flex}.btn-primary{background-color:var(--primary-color);color:#fff}.btn-primary:hover{background-color:var(--primary-hover);transform:translateY(-1px);box-shadow:0 4px 12px rgba(59,130,246,.2)}.btn-outline{background:var(--card-bg);border-color:var(--border-color);color:var(--text-color)}.btn-outline:hover{background-color:var(--secondary-bg);border-color:var(--primary-color);color:var(--primary-color)}.btn-icon{background:var(--card-bg);border:1px solid var(--border-color);color:var(--text-color);border-radius:6px;padding:6px 12px}.btn-icon:hover{border-color:var(--primary-color);color:var(--primary-color);z-index:1}.small{padding:6px 12px;font-size:13px}.editor-wrapper{background-color:var(--card-bg);border:1px solid var(--border-color);box-shadow:var(--pane-shadow);border-radius:12px;flex:1;transition:all .2s;position:relative;overflow:hidden}.editor-wrapper:focus-within{border-color:var(--primary-color);box-shadow:0 0 0 3px rgba(59,130,246,.1)}.editor-wrapper.dragging{border-color:var(--primary-color);background-color:rgba(59,130,246,.05);border-style:dashed}textarea{resize:none;width:100%;height:100%;color:var(--text-color);background:0 0;border:none;outline:none;padding:16px;font-family:Fira Code,Cascadia Code,Monaco,monospace;font-size:14px;line-height:1.5}.drag-hint{pointer-events:none;color:#94a3b8;text-align:center;justify-content:center;align-items:center;font-size:14px;display:flex;position:absolute;top:0;bottom:0;left:0;right:0}.preview-pane{flex-direction:column;display:flex}.preview-stage{border:1px solid var(--border-color);box-shadow:var(--pane-shadow);background-color:#fff;border-radius:12px;flex-direction:column;flex:1;display:flex;position:relative;overflow:hidden}.preview-stage.preview-dark{background-color:#0f172a;background-image:radial-gradient(rgba(255,255,255,.05) 1px,transparent 0);background-size:24px 24px}.preview-stage:not(.preview-dark){background-color:#fff;background-image:radial-gradient(rgba(0,0,0,.03) 1px,transparent 0);background-size:24px 24px}.preview-theme-switch{backdrop-filter:blur(8px);z-index:10;background:rgba(100,116,139,.1);border:1px solid rgba(255,255,255,.1);border-radius:8px;padding:4px;display:flex;position:absolute;top:12px;left:12px}.preview-theme-switch button{color:#64748b;cursor:pointer;background:0 0;border:none;border-radius:6px;padding:6px 12px;font-size:12px;font-weight:600;transition:all .2s}.preview-theme-switch button.active{color:#0f172a;background:#fff;box-shadow:0 2px 8px rgba(0,0,0,.1)}.preview-theme-switch button.active:last-child{color:#fff;background:#1e293b}.preview-wrapper{flex:1;justify-content:center;align-items:center;padding:40px;display:flex;overflow:auto}.svg-container{justify-content:center;align-items:center;transition:transform .2s cubic-bezier(.4,0,.2,1);display:flex}.svg-container svg{max-width:100%;height:auto}.zoom-value{text-align:center;min-width:60px;color:var(--text-color);font-size:13px;font-weight:600}.close-fullscreen{z-index:1001;backdrop-filter:blur(8px);color:#fff;cursor:pointer;background:rgba(15,23,42,.8);border:1px solid rgba(255,255,255,.1);border-radius:40px;padding:10px 20px;font-size:14px;font-weight:500;position:fixed;top:24px;right:24px}.preview-stage.fullscreen{z-index:1000;border-radius:0;position:fixed;top:0;bottom:0;left:0;right:0}.usage-section{background-color:var(--card-bg);border:1px solid var(--border-color);box-shadow:var(--pane-shadow);border-radius:12px;margin-bottom:40px;padding:24px}.usage-tabs{background:var(--secondary-bg);border-radius:10px;gap:4px;padding:4px;display:flex}.tab-btn{color:#64748b;cursor:pointer;background:0 0;border:none;border-radius:8px;padding:8px 16px;font-size:14px;font-weight:600;transition:all .2s}.tab-btn.active{background-color:var(--card-bg);color:var(--primary-color);box-shadow:0 2px 8px rgba(0,0,0,.05)}.usage-code-view{margin-top:20px;position:relative}.usage-code-view pre{background-color:var(--secondary-bg);white-space:pre-wrap;word-break:break-all;border:1px solid var(--border-color);max-height:150px;color:var(--text-color);border-radius:12px;padding:20px;font-family:Fira Code,monospace;font-size:13px;overflow:auto}.copy-btn{position:absolute;top:12px;right:12px}.article-section{border-top:1px solid var(--border-color);padding-top:40px}.article-card{background:var(--card-bg);border:1px solid var(--border-color);border-radius:16px;margin-bottom:40px;padding:30px}.article-card h2{color:var(--text-color);margin-bottom:20px;font-size:22px;font-weight:700}.article-card p,.article-card li{color:#64748b;margin-bottom:14px;font-size:15px}.article-card ol,.article-card ul{padding-left:24px}.feature-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px;margin-top:20px;display:grid}.feature-item{background:var(--secondary-bg);border:1px solid var(--border-color);color:var(--text-color);border-radius:12px;align-items:center;gap:12px;padding:16px 20px;font-size:15px;font-weight:600;display:flex}.footer{border-top:1px solid var(--border-color);text-align:center;width:100%;max-width:1100px;margin:60px auto 0;padding:40px 20px}.footer-content p{color:#94a3b8;font-size:14px}.footer-content a{color:var(--primary-color);font-weight:600;text-decoration:none}.language-links{border-top:1px solid var(--border-color);flex-wrap:wrap;justify-content:center;gap:10px 15px;margin-top:24px;padding-top:20px;display:flex}.language-links a{color:#94a3b8;font-size:12px;font-weight:400;text-decoration:none;transition:color .2s}.language-links a:hover{color:var(--primary-color)}@media (max-width:1024px){.tool-section{grid-template-columns:1fr}.editor-pane,.preview-pane{height:auto}.editor-wrapper,.preview-stage{flex:none;height:450px;min-height:450px}}@media (max-width:640px){.header-content{padding:0 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